Top aPersona Alternatives

Auth0 adopts a contemporary method for managing identity, allowing organizations to ensure secure access to applications for all users. It offers a high degree of customization while remaining both straightforward and adaptable. Handling billions of login transactions every month, Auth0 prioritizes convenience, privacy, and security, enabling customers to concentrate on their innovative efforts. Furthermore, Auth0 facilitates quick integration of authentication and authorization processes across web, mobile, and legacy applications, featuring advanced Fine Grained Authorization (FGA) that expands the capabilities of traditional role-based access control, thereby enhancing security measures overall.

FusionAuth is a comprehensive authentication and authorization platform purpose-built for modern development teams and IT departments. Designed for seamless integration, it supports virtually any application stack or programming language. Every capability is fully exposed via APIs, giving your team the flexibility to address complex identity and access management (IAM) requirements without compromise. From core features like user registration and login, to advanced protocols such as passwordless authentication, MFA, SAML, and OIDC — FusionAuth delivers enterprise-level functionality out of the box. Built-in compliance tools make it easy to align with regulatory standards including GDPR, HIPAA, and COPPA, reducing risk and accelerating deployment. FusionAuth offers total deployment freedom: run it on any OS, in containers, in your private cloud, or choose FusionAuth Cloud — our fully managed, scalable SaaS hosting option. Whether you’re a startup or an enterprise, FusionAuth empowers your organization to customize and scale your identity infrastructure with confidence and control.

Ensure the security of your users while simplifying their experience. MIRACL Trust delivers a streamlined and secure authentication process that requires just one step, eliminating the hassle of passwords entirely. Traditional multi-factor authentication can be tedious and slow; however, MIRACL offers a faster and more secure alternative. Users can log in in just 2 seconds, with error rates significantly lower than those associated with passwords—down to one-tenth. Instead of passwords, a simple PIN is all that's needed for access. Our advanced cryptographic technology guarantees that users' data remains protected at all times. By prioritizing user experience, MIRACL Trust allows for a straightforward login process and facilitates rapid deployment of your data. With MIRACL, safeguarding your users has never been easier or more efficient.

You can utilize the advantages of biometric technology to streamline the authentication process for any website or application. This innovation enables the development of a novel approach to online login and verification. Leveraging smartphones, you can implement two-factor and passwordless authentication for user verification. Auth Armor ensures secure access for every individual without the need for weak passwords or complex codes. We have designed robust APIs, SDKs, and libraries that empower you to customize your authentication solutions to fit your specific needs. Our tools can be integrated to enhance authentication in any application using a variety of workflows. We deliver comprehensive security for both employees and customers, providing the flexibility and control necessary to safeguard sensitive information. Auth Armor stands out as the most effective mobile authentication system on the market. Additionally, our instant push messaging feature allows users to log in and authenticate with remarkable speed and ease. This seamless experience enhances user satisfaction and encourages higher engagement.

ZITADEL is an open-source solution designed for identity and access management, focused on optimizing authentication and authorization processes across a variety of applications. It boasts an extensive set of features, such as customizable login interfaces, support for advanced authentication methods like Single Sign-On (SSO) and social logins, and the incorporation of multifactor authentication to enhance overall security. Developers can choose to integrate ZITADEL’s APIs directly into their applications for seamless authentication or create bespoke login pages that cater to their specific requirements. Additionally, the platform offers a role-based access control system that facilitates detailed management of permissions based on user roles, and its multi-tenant architecture simplifies the process of expanding applications to serve new organizations. ZITADEL’s adaptability not only accommodates a wide range of workflows and user management scenarios, but it also complies with branding guidelines; features like ZITADEL Actions allow users to execute workflows triggered by specific events without needing additional code deployments. Consequently, ZITADEL emerges as a versatile tool for organizations aiming to effectively refine their identity management strategies, making it suitable for both small startups and large enterprises alike. Its comprehensive capabilities ensure that users can maintain a high level of security while also delivering a streamlined experience for end users.

Ping Identity delivers a global identity security solution through its advanced identity platform. With a wide array of features including single sign-on (SSO), multifactor authentication (MFA), directory services, and more, it supports enterprises in achieving a delicate balance between security measures and user experience for various identity types, such as workforce, customer, and partner. The platform accommodates different cloud deployment models, such as identity-as-a-service (IDaaS) and containerized software, making it suitable for diverse organizational needs. Ping's solutions are tailored for both developers and IT teams, facilitating seamless digital collaboration via straightforward integrations with widely used tools. These integrations empower employees to work efficiently from any location while utilizing these tools effectively. Furthermore, the platform ensures rapid deployment and interoperability across the entire identity ecosystem. Users can opt for a straightforward SSO solution or implement a more sophisticated, risk-based adaptive authentication system. Additionally, the PingOne package is designed to provide cost efficiency by allowing businesses to pay only for the features they require, all while offering scalability for future growth. This flexibility makes Ping Identity an appealing choice for organizations looking to enhance their identity security framework.

Cyphercor provides a top-notch two-factor authentication solution known as "LoginTC," which is designed to be user-friendly, efficient, and affordable. This robust system enhances the security of various applications and systems, including VPNs, firewalls, remote desktop access, and active directory. With LoginTC, end-users can choose from a diverse array of two-factor authentication methods such as SMS, email, push notifications, hardware tokens, U2F, OTP, and bypass codes, ensuring flexibility and convenience. Additionally, utilizing LoginTC can assist organizations in minimizing their insurance expenses while effortlessly adhering to compliance standards. By implementing such an advanced security measure, businesses can also foster greater trust with their clients.

Identity management (IAM) in the cloud encompasses features like multi-factor authentication (MFA), passwordless access based on credentials, and single sign-on (SSO). By employing cloud-based multi-factor authentication, secure access is granted to all applications, networks, devices, and accounts utilized by your users. The user experience is further enhanced through methods such as adaptive authentication and proximity-based login, ensuring that satisfied users are less likely to circumvent security protocols. This approach is simpler than many alternatives you've encountered. With features designed to save time, including integrated provisioning tools and seamless integrations for both on-premises and cloud environments, the burden on IT teams is significantly lightened from the initial setup through daily operations. To accelerate your progress, implementing robust IAM is essential. Additionally, the scalability of cloud-based Identity as a Service allows for the quick adaptation to new users, diverse use cases, and ever-changing security threats, making it a vital component of modern digital security strategies. As organizations continue to grow and evolve, the importance of a strong IAM framework becomes increasingly clear.

Safeguard vital organizational information and improve employee productivity through OneLogin, a dependable identity and access management (IAM) platform designed specifically for modern enterprises. This solution is engineered to enhance security within organizations while simplifying the login experience, making it a perfect fit for businesses looking to adopt security protocols with ease. OneLogin offers an array of highly-rated features, such as single sign-on (SSO), a centralized user directory, user provisioning, adaptive authentication, mobile identity management, compliance reporting, and more. Utilizing these capabilities, organizations can achieve a balance of security and user accessibility. As the landscape of digital security continues to evolve, OneLogin emerges as a robust solution to address the growing demands and challenges faced by companies today. Furthermore, its user-friendly interface and comprehensive support further solidify its position as an essential tool for businesses striving for both protection and efficiency.

LoginRadius empowers businesses to enhance customer satisfaction while ensuring robust security measures are in place. Through our customer identity platform, organizations can streamline the login experience, safeguard digital accounts, and adhere to data privacy laws effectively. With a user base exceeding 3,000 and a staggering 700 million visitors each month globally, our platform boasts essential features such as registration services, adaptive security measures, seamless integrations with third-party applications, and valuable customer insights. Recognized as a leader in customer identification and access management (CIAM) by industry experts like Gartner, KuppingerCole, and Computer Weekly, LoginRadius also enjoys a strong partnership with major tech investor Microsoft. Headquartered in Vancouver, Canada, we have expanded our presence with additional offices in Toronto, the USA, and Australia to better serve our clients. The services provided by LoginRadius include API Authentication, OAuth, comprehensive Data Management, Secure Login options, Single Sign-On (SSO), SAML SSO, social media sign-up capabilities, and Two-Factor Authentication, ensuring a versatile and secure user experience. This range of offerings positions us as a reliable partner for businesses looking to enhance their digital security and customer engagement strategies.

Robust multi-layered customer authentication that ensures safe initial log-ins, secure transaction authorization, and reliable document verification safeguards. - Exceptional performance and dependability across varying usage levels, leading to cost savings. - Flexible integration capabilities with Soft OTP and Electronic Certificates, allowing for quick adaptations to changing requirements. - Low maintenance needs thanks to automated updates, ensuring uninterrupted service and lowering operational costs. - Designed for optimal performance, facilitating rapid, secure log-ins and efficient transaction processing. - Advanced security measures featuring asymmetric signing technology and multi-factor authentication, effectively preventing fraudulent activities. - Unlimited usage covered under a single license without incurring additional server expenses. - A smooth and user-friendly experience that allows for easy incorporation into mobile applications, along with straightforward authentication procedures. - The overall system not only prioritizes security but also enhances user satisfaction through its intuitive design and seamless operation.

LoginID offers SDKs and APIs that facilitate the seamless integration of our FIDO/FIDO2-certified multi-factor authentication solution into websites and applications. Our platform utilizes the inherent biometrics found on users' devices to generate a secure private/public key pair, ensuring robust customer authentication without the need for users to download any extra applications, as the private key remains securely stored on their device. Additionally, LoginID's transaction confirmation service enhances security for online merchants by requiring a biometric action for each transaction, which is then secured through cryptographic signing. We comply with various regulatory frameworks, including PSD2, GDPR, CCPA, and HIPAA, ensuring that our solution meets industry standards. Furthermore, LoginID supports a wide range of platforms with SDKs available for iOS, Android, React-Native, Web, Python, Java, and Node, alongside a convenient WordPress Plugin to cater to diverse development needs. Our commitment to secure authentication not only protects user data but also fosters trust between customers and businesses.

Introducing a revolutionary identity and access control API that fills a crucial void in web-scale solutions. Enhance your security and improve user experience by tenfold today. Leverage the Ory Network to develop secure applications that can engage new customers across every corner of the globe while delivering unparalleled login experiences. Recognizing that login involves far more than merely entering a username and password, Ory eliminates the risks and challenges associated with creating these systems from the ground up. Its API-first microservice architecture facilitates seamless integration at any project phase, allowing you to pay based on actual usage rather than features. Subscription packages from Ory offer sophisticated multi-factor authentication options, alongside advanced permissions, SSO, OAuth2, OIDC multi-tenancy, and much more. Built for high performance and scalability, Ory operates effectively on any cloud platform. Developers are at the heart of Ory's design, enabling you to swiftly customize your user experience and seamlessly integrate it within your existing software stack. With a commitment to open standards, Ory also simplifies the migration process from legacy systems through its automated data import features, ensuring a smooth transition. Embrace the future of login technology with Ory and experience a transformation in how users interact with your applications.

Enhance the security of your organization, workforce, and clientele by implementing robust authentication measures. Two-Factor Authentication (2FA) can be set up in just a matter of minutes rather than taking weeks. This authentication method, along with other user access controls, is integrated within the infrastructure itself, rather than being tied to specific applications. This flexibility allows for the use of all current and future 2FA techniques without requiring modifications to the underlying system. Protection extends to all employees, whether they are in the public, private, or on-premise environments. Secfense acts as a gateway between users and the applications they utilize, monitoring traffic trends associated with authentication. It enforces multifactor authentication for login attempts and other critical activities without disrupting the existing code or database of the applications. The platform consistently updates to include the latest 2FA methods, ensuring that your security measures remain current. Changes made to applications do not impact the functionality of Secfense or its implemented methods. You also have the ability to manage session expiration rules across all platforms. Instead of relying on VPNs, prioritize the trustworthiness of users and their devices, ensuring a more efficient security approach. Adopting these strategies not only fortifies your security posture but also streamlines user access management.

With passwordless proximity login, users can access desktop applications, websites, and devices like Macs and PCs seamlessly. The technology utilizes active proximity detection for hands-free wireless two-factor authentication and efficient password management. IT administrators gain the ability to let users log into their systems dynamically using a physical key, which can be activated automatically, manually through touch, by pressing Enter, or with a PIN code. This means users can effortlessly log in, switch accounts, change devices, and log out without ever needing to remember or input passwords; all that is required is the key. Moreover, when a user steps away, the system automatically locks, safeguarding access to the computer and web passwords. Continuous authentication methods ensure that users' access is routinely verified. Consequently, the hassle of typing passwords is eliminated entirely. Furthermore, administrators can streamline password protection through a centralized admin console, enabling the enforcement of stronger passwords and two-factor authentication while allowing employees to maintain their productivity without interruptions. This innovation significantly reduces helpdesk inquiries related to forgotten passwords and password resets, making the login process and autolocking dependent on proximity more efficient and user-friendly. This advancement not only enhances security but also improves the overall user experience in workplace environments.

Plurilock DEFEND offers continuous authentication during active computing sessions by utilizing behavioral biometrics in conjunction with the keyboard and mouse devices already employed by employees. The system operates through an invisible endpoint agent and applies machine learning algorithms to assess and verify a user's identity based on their console interactions, eliminating the need for visible authentication processes. When integrated with SIEM/SOAR systems, DEFEND enhances the ability to triage and respond to security operations center alerts by providing high-confidence identity threat intelligence. Furthermore, by seamlessly integrating into login and application workflows, DEFEND delivers immediate identity verification signals in the background, enabling a truly seamless login experience once identity has been established. The DEFEND solution is compatible with various platforms, including Windows, Mac OS, IGEL, and Amazon Workspaces VDI clients, ensuring broad applicability across different environments. This flexibility makes DEFEND a versatile choice for organizations looking to enhance their security posture without disrupting user experience.

LastPass stands out as a premier provider of password and identity management tools, gaining the trust of both individuals and enterprises across the globe. Each day, millions depend on LastPass to generate, save, oversee, and safeguard their vital credentials, ensuring they remain secure, confidential, and consistently accessible. Thanks to LastPass, users can seamlessly access their personal and professional accounts from any location, at any time, enhancing convenience in their daily lives. This level of accessibility helps users manage their online presence with confidence and ease.

The OpenOTP Security Suite is a robust enterprise-level solution tailored for two-factor authentication through U2F/OTP, along with federation and identity management (IAM). This innovative system merges mobile technology with established security protocols, making it an excellent choice for both commercial and personal users seeking economical solutions that enhance user mobility. It also supports the integration of various third-party products and systems with multi-factor authentication (MFA), even when they solely rely on LDAP for authentication. If you are exploring options in user mobility, privacy, VPN and Wi-Fi security, single sign-on (SSO) and ADFS, fine-grained authentication policies, comprehensive security solutions, or European data storage, OpenOTP Security Suite could be the perfect fit for your needs. Additionally, it is designed for deployment either on-premises or within a private cloud environment, catering to various organizational requirements. The suite also offers a free token application compatible with most existing hardware and software tokens, a complimentary 30-day trial, and is available as freeware for organizations with fewer than 25 users.

Allthenticator is an advanced passwordless authentication platform designed to unify and secure both digital and physical access via a single smartphone identity. It enables users to seamlessly log in to computers, websites, and servers through proximity detection while also unlocking doors with the same device, effectively removing the need for passwords, security tokens, or keycards. The platform supports sophisticated features including SSH key signing, passkey logins, and OTP (one-time password) management, with native integrations for enterprise identity providers such as Azure Active Directory and Okta. Administrators manage access efficiently from a centralized dashboard, with role-based permissions and detailed audit logs providing full control and compliance visibility. A standout feature is its decentralized credential recovery system, which allows users to back up their identity securely through trusted peers, avoiding cloud storage risks and ensuring data sovereignty. This approach enhances security while simplifying the recovery process. Organizations using Allthenticator report dramatic improvements, including a 94% drop in password reset requests and a 76% reduction in administrative time spent managing access rights. Additionally, up to 96% of employees express satisfaction with the streamlined, passwordless experience. The platform’s integration capabilities and user-centric design make it an ideal choice for modern enterprises aiming to reduce friction while bolstering security. Overall, Allthenticator offers a future-ready solution for secure, convenient, and scalable identity and access management.

A comprehensive platform for managing identity, access, applications, and endpoints (IAM/EMM) that enables IT and security teams to boost end-user efficiency, protect company data, and support a transformation towards a digital workspace. Fortify your organization’s security posture by leveraging the BeyondCorp security model in conjunction with Google’s advanced threat intelligence. Manage access to SaaS applications, deploy strong multi-factor authentication (MFA) to safeguard user accounts, monitor endpoints, and perform threat investigations through a centralized Security Center. Enhance operational productivity by delivering smooth user experiences across endpoint devices, while integrating user, access, application, and endpoint management into a single, streamlined console. Empower users to conveniently access a multitude of applications with single sign-on (SSO), allowing them to manage their corporate accounts just like their personal Google accounts. Smooth your organization's digital evolution by merging your current infrastructure into a reliable and secure platform, while also expanding your on-premises directory into the cloud using Directory Sync, significantly improving accessibility and management. This all-encompassing solution not only simplifies operations but also significantly strengthens overall security, ensuring your organization remains resilient against evolving threats. Through these robust features, organizations can confidently navigate the complexities of modern digital landscapes.

Approw is a user-friendly and versatile platform for authorization and authentication that seamlessly integrates with numerous on-premises applications. Its primary focus on identity facilitates the creation of a social infrastructure that enables identity sharing among all users of SaaS and respective software. This functionality empowers organizations to establish a modern, secure IT framework that not only safeguards their operations but also enhances the overall user experience. One of the key features of Approw is its multi-factor authentication (MFA), which serves as a straightforward yet robust security measure that surpasses the limitations of conventional usernames and passwords, adding an extra layer of protection. Specifically designed for banks, the U-Shield feature mandates SMS verification for off-site logins, ensuring additional security for sensitive transactions. The platform allows rapid activation of MFA across Approw applications, thereby significantly bolstering access security and authentication levels. Furthermore, Approw offers "adaptive" multi-factor authentication as an alternative to traditional MFA, allowing organizations to select varying MFA methods based on the specific security context, thereby optimizing their security measures in real-time. This adaptive approach not only enhances protection but also provides flexibility in how security is managed, making Approw a comprehensive solution for modern authentication challenges.

Forget the hassle of remembering, managing, or resetting multiple passwords; all your login credentials can be unified into a single encrypted authentication token. This token is user-friendly and can be easily managed by individuals, allowing for seamless access through a universal digital identity that is recognized and respected worldwide. Anonymity can be maintained if desired, ensuring user privacy. All information is safeguarded through encryption by the user with the WWPass Key, eliminating the need for costly SMS, OTPs, or any other complicated authentication methods. The WWPass Key serves to protect user identities effectively, while the WWPass MFA guarantees robust customer authentication in compliance with GDPR and NIST standards. Each individual is assigned a distinct key that grants them access to an unlimited number of accounts and services, removing the necessity for traditional passwords or usernames altogether. Your WWPass Key acts as a universal portal to the internet, facilitating logins to an ever-expanding array of online platforms. This represents a cutting-edge approach to multifactor authentication that does not rely on passwords or usernames, making secure access to any business application not only simpler but also more efficient. As more services adopt this innovative technology, users will enjoy enhanced convenience and security.

Everykey provides a secure access platform that is touchless, frictionless, and based on proximity. By offering passwordless authentication and multi-factor authentication, it integrates smoothly with identity management systems to ensure easy and secure access. This innovative solution enables IT leaders to implement zero-trust strategies that are both secure and user-friendly for employees. As a result, organizations can enhance their security measures while maintaining a seamless experience for their users.

BSI’s BioSig-ID offers an advanced biometric authentication solution that works across all devices—computers, tablets, or mobile phones—allowing input through a finger, stylus, or mouse. This patented technology streamlines secure access to files and information by integrating multi-factor authentication (MFA) into a single product, which is fully compatible with HTML5. BioSig-ID eliminates the need for additional hardware or software downloads, offering a straightforward verification process with just a simple four-character password. Unlike traditional biometric systems, this solution is designed with privacy at its core, complying with privacy laws and avoiding the common security risks associated with biometric data storage. The platform also enhances security by offering real-time alerts for potential data crimes, enabling organizations to respond proactively. With its focus on privacy, simplicity, and security, BioSig-ID provides a powerful authentication solution that ensures users’ data remains safe without sacrificing ease of use. This makes it a perfect fit for businesses and individuals who want to streamline their authentication process while maintaining robust protection against cyber threats.

There’s nothing to remember and nothing to steal; you are the answer. Implementing zero-trust authentication is crucial for protecting your remote workforce while enabling strong customer verification with just a glance. This method can be utilized anytime, anywhere, and on any device. By embracing passwordless, multi-factor authentication, organizations can effectively mitigate fraud, phishing schemes, and the reuse of credentials, all while enhancing the experience for both customers and employees and ensuring the safeguarding of their privacy. Innovative technology drives unique capabilities, being hardware-agnostic and allowing Keyless to function seamlessly across a wide range of devices and appliances without reliance on specific hardware or sensors. Transitioning to a password-free environment not only boosts security but also generates better outcomes for your organization by completely eliminating the need for passwords. This high-level security framework removes the risk of a central honeypot and guarantees that no sensitive data is stored on user devices, making it impossible for information to be stolen or lost, as only the user holds access to their private data. By shifting away from traditional passwords, companies can significantly reduce expenses tied to password management, especially the average helpdesk cost, which is approximated at $70 per incident, resulting in improved efficiency and resource allocation. Therefore, adopting this advanced security strategy not only strengthens protection but also efficiently streamlines operational costs, making it a wise investment for any organization. Ultimately, a future without passwords represents a transformative leap towards enhanced security and user convenience.

Multi-Factor Authentication (MFA) is a technique utilized to confirm a user's authorization to access a service, website, or application. Nowadays, security experts regard the conventional dependence on merely a username and password as inadequate. By leveraging multiple secure credentials, MFA greatly reduces the likelihood of identity theft or cyberattacks. Mi-Token adds an extra layer of protection to your login process by implementing a one-time password (OTP) that remains valid only for a single session or transaction, thereby enhancing security. Furthermore, users can opt to use a PIN in conjunction with the OTP, which ensures that their method of authentication complies with various industry standards for MFA, including those established by the Payment Card Industry Standards Council (PCI DSS 3.2). This multi-layered security strategy effectively protects sensitive data from unauthorized access while reinforcing user confidence in the security measures in place. As cyber threats continue to evolve, adopting such advanced authentication methods becomes increasingly vital for both individuals and organizations.

Explore the methodology of crafting online shopper personas by examining consumer behavior patterns. Utilizing these e-commerce customer profiles can significantly improve your messaging, targeting methods, and the overall experience for buyers. Learn how to create and implement PPC personas to maximize the effectiveness of your paid search advertising initiatives. By seamlessly incorporating these buyer personas into your PPC strategies, you can elevate your search engine marketing (SEM) results. Furthermore, online reviews are an essential tool for gauging customer sentiment, which plays a crucial role in developing accurate buyer personas. Recognizing the strategic use of these reviews will help refine your buyer profiles, leading to more customized marketing strategies. Ultimately, a well-rounded approach to persona development can transform your engagement with customers and drive better business outcomes.

Fortify your online security with YubiKey, effectively preventing unauthorized account access while paving the way for a future without passwords and improving your multifactor authentication strategy. As the leading security key in the market, it provides unmatched protection, a superior user experience, and excellent value for your investment. Designed for personal and business use alike, the YubiKey comes in a range of styles and functionalities to cater to various requirements. To assist in finding the perfect match for your needs, you can take our quick Product Finder Quiz. This device is compatible with a wide array of services and software, streamlining your approach to online safety. Whether you're an individual user or part of a larger organization, we offer comprehensive support to ensure a smooth setup process. With its ability to enable strong two-factor, multi-factor, and passwordless authentication, the YubiKey makes accessing your devices, networks, and online accounts as simple as a quick touch. Say goodbye to the inconvenience of searching for your phone or inputting passcodes repeatedly; just plug in your YubiKey, tap it, and let it take care of the authentication effortlessly. This remarkable tool combines reliability with versatility, making it indispensable for anyone serious about enhancing their digital security measures. Embrace the future of authentication with the confidence that YubiKey brings to your online experiences.

TraitWare offers a genuine passwordless multifactor authentication (MFA) solution that enables authentic Zero Trust Access. This innovative, enterprise-level, patented system integrates Passwordless MFA with Single Sign-On (SSO), doing away with the necessity for usernames and passwords altogether. By implementing this solution, companies can not only streamline their processes but also enhance security measures and save up to 60% on support costs. The inclusion of a QR code solution further negates the need for a username, making the software both user-friendly and highly effective in minimizing the risks associated with traditional password logins. Additionally, by substituting usernames and passwords, we significantly reduce the threat of phishing attacks, while our QR scan or Direct login method ensures that users are securely linked to their logins, effectively preventing credential sharing and theft. This robust approach to authentication promises to transform how organizations manage access and protect sensitive information.

UserLock | Access Control and Two-Factor Authentication Solutions for Windows Active Directory Systems.