List of the Top 25 Free IT Security Software in 2025

Google Cloud Platform (GCP) provides a comprehensive suite of IT security solutions to safeguard cloud workloads through capabilities such as identity management, encryption, and threat detection. Its layered security strategy allows organizations to protect their infrastructure, data, and applications effectively. Features like Google Cloud Identity & Access Management (IAM) and the Google Cloud Security Command Center empower companies to handle risks and ensure compliance. New users can take advantage of $300 in complimentary credits to experiment, test, and implement workloads, allowing for a risk-free assessment of the platform's security capabilities. GCP's security offerings encompass automated patch management, vulnerability assessments, and secure authentication processes, all aimed at reducing risks and minimizing the attack surface. Furthermore, the platform is structured to comply with rigorous industry standards, enabling businesses to secure their cloud environments while aligning with regulatory requirements.

Bolster Your IT Security with New Relic: Protect your organization with cutting-edge threat detection and robust defenses. Boost your IT security framework using New Relic’s powerful observability platform, tailored to provide software engineers with in-depth visibility and control over your security environment. Our solution features real-time monitoring and sophisticated threat identification, allowing you to proactively uncover and mitigate vulnerabilities before they disrupt your operations. Effortlessly merge security insights with your overall IT processes to maintain compliance, reduce risks, and safeguard essential assets. Strengthen your incident response, simplify security management, and ensure your security approach aligns with your organization’s goals. With New Relic, empower your enterprise to withstand dynamic threats and foster a culture of proactive security and resilience.

Empower Your Existing Team to Attain Enterprise-Level IT Security Introducing a comprehensive IT Security platform featuring SIEM, endpoint monitoring, round-the-clock surveillance, and automated incident response designed to simplify processes, enhance visibility, and accelerate response times. We take care of the demanding security tasks, allowing you to reclaim valuable time in your daily operations. With ready-to-use detection capabilities, curated alerts, and detailed response protocols, your team can unlock significant IT security benefits with Blumira. Rapid Implementation, Instant Outcomes: Seamlessly integrates with your existing technology infrastructure and can be fully operational within hours, with no initial setup delays. Unlimited Data Ingestion: Enjoy consistent pricing and unrestricted data logging for comprehensive lifecycle detection. Simplified Compliance: Includes one year of data retention, ready-made reports, and continuous automated monitoring. Exceptional Support with 99.7% Customer Satisfaction: Access to Solution Architects for product guidance, an Incident Detection and Response Team for developing new detection methods, and 24/7 Security Operations support.

IT administrators and managers appreciate Access Server because OpenVPN simplifies network security and facilitates secure remote access, catering to both seasoned IT professionals and newcomers alike. If you have a background in Linux, Access Server is tailored for you. It offers a straightforward deployment process and is an economical solution for enhancing your network security within a self-hosted framework.

Hoxhunt is a platform focused on Human Risk Management that transcends traditional security awareness efforts to foster behavioral transformation and effectively reduce risk levels. By integrating artificial intelligence with behavioral science, Hoxhunt delivers personalized micro-training experiences that users find engaging, enabling employees to better identify and report sophisticated phishing attempts. Security professionals benefit from actionable metrics that demonstrate a significant decrease in human-related cyber risks over time. The platform collaborates with prominent international organizations like Airbus, DocuSign, AES, and Avanade, showcasing its widespread impact in enhancing cybersecurity. With a commitment to ongoing improvement, Hoxhunt continues to evolve its strategies to better equip employees against emerging threats.

SKUDONET offers IT executives an affordable solution that emphasizes ease of use and adaptability, ensuring optimal performance and security for IT services. With this innovative platform, you can seamlessly improve the security and reliability of your applications through an open-source ADC, allowing for significant cost savings and unparalleled flexibility within your IT framework. This approach not only streamlines operations but also empowers organizations to respond swiftly to changing technology needs.

Kinde is auth for modern applications. Our powerful user authentication integrates in minutes and is free up to 10,500 MAU. Kinde was created by founders and engineers to help businesses generate more revenue, reduce costs and make lifelong loyal customers – in one place. Every day, Kinde gives our community of founders and partners across the globe, the infrastructure they need to build anything they can imagine. Every aspect of Kinde is designed to help your business grow and scale. From startup to IPO in a single platform. Social login with all of your customers favourite SSO providers, and passwordless auth to take the friction out of passwords. And when you’re ready to scale, enterprise connections, custom SAML and MFA, take the friction out of building beautiful, ultra-secure, high conversion onboarding experiences.

Criminal IP functions as a cyber threat intelligence search engine designed to identify real-time vulnerabilities in both personal and corporate digital assets, enabling users to engage in proactive measures. The concept behind this platform is that by acquiring insights into potentially harmful IP addresses beforehand, individuals and organizations can significantly enhance their cybersecurity posture. With a vast database exceeding 4.2 billion IP addresses, Criminal IP offers crucial information related to malicious entities, including harmful IP addresses, phishing sites, malicious links, certificates, industrial control systems, IoT devices, servers, and CCTVs. Through its four primary features—Asset Search, Domain Search, Exploit Search, and Image Search—users can effectively assess risk scores and vulnerabilities linked to specific IP addresses and domains, analyze weaknesses for various services, and identify assets vulnerable to cyber threats in visual formats. By utilizing these tools, organizations can better understand their exposure to cyber risks and take necessary actions to safeguard their information.

The CLEAR™ Cryptosystem is an encryption software development kit (SDK) validated by FIPS-140-3, specifically created to safeguard files, streaming media, databases, and network communications through innovative and programmable encryption technology. It seamlessly integrates with all contemporary computing systems, offering an effective and straightforward solution for embedding advanced encryption into current security infrastructures. With its Post-Quantum Cryptography (PQC) capabilities, CLEAR™ ensures robust defense against future cybersecurity challenges, allowing you to secure your data with the most powerful encryption techniques available. This system not only enhances data protection but also allows for swift access and communication across various platforms. Key Features: • PQC Encryption Strength (512bit - 10,240bit) • Ultra Low-Latency Streaming (< 11µs / Packet) • Hyperkey™ Technology with embedded ACL • Multi-Factor / Bio-Metric Symmetric Keys • Plug-N-Play Entropy - CSRNG, QRNG, HRNG Benefits: • Pass cybersecurity audits with best-in-class tools • Share data securely via Sharepoint, Dropbox, and similar services • Protect legacy hardware and older network systems • Extend security to files stored in third-party platforms • Ensure lasting protection for long-term data archival needs, making it a comprehensive choice for organizations looking to the future.

ManageEngine's Endpoint Central, which was previously known as Desktop Central, serves as a comprehensive Unified Endpoint Management Solution that oversees enterprise mobility management. This solution encompasses all aspects of mobile app and device management, in addition to client management for various endpoints, including mobile devices, laptops, tablets, servers, and other computing machines. With ManageEngine Endpoint Central, users can streamline and automate numerous desktop management activities, such as software installation, patching, IT asset management, imaging, and operating system deployment, thereby enhancing operational efficiency across the organization. This tool is particularly beneficial for IT departments looking to maintain control over their diverse technology environments.

GoAnywhere MFT provides businesses with a reliable solution for secure file transfers. This software can be utilized in various environments, including on-premise, cloud, or hybrid setups. It enables organizations to safely share data among employees, clients, trading partners, and different systems. Additionally, GoAnywhere MFT has been recognized with the Cybersecurity Excellence Award for its excellence in secure file transfer capabilities, highlighting its effectiveness in the industry. This recognition underscores the software's commitment to maintaining high security standards in data exchange.

Curtain MonGuard Screen Watermark offers a comprehensive enterprise solution designed to display watermarks on users' screens, which administrators can activate on individual computers. This watermark can feature a variety of user-specific details, including the computer name, username, and IP address, effectively capturing the user's attention and serving as a vital reminder prior to taking a screenshot or photographing the display to share information externally. The main advantage of utilizing Curtain MonGuard lies in its ability to promote a culture of caution among users, urging them to "think before sharing" any sensitive or proprietary information. In situations where confidential company details are shared, the watermark can assist in tracing the leak back to the responsible user, enabling organizations to enforce accountability and reduce the impacts of data breaches or unauthorized disclosures. Noteworthy functionalities include: - Customizable on-screen watermarks - Options for full-screen or application-specific watermarks - Compatibility with over 500 applications - User-defined watermark content - Conditional watermark display - Centralized administration capabilities - Seamless integration with Active Directory - Client uninstall password feature - Management of passwords - Delegation of administrative tasks - Built-in software self-protection measures With these features, Curtain MonGuard not only enhances data security but also fosters a responsible sharing culture within organizations.

TuxCare aims to combat cyber exploitation on a global scale. With its automated live security patching solutions and long-term support services for Linux and open source software, TuxCare enables numerous organizations to swiftly address vulnerabilities, thereby enhancing their security measures. This innovative approach has made TuxCare a trusted partner for over one million significant entities, including enterprises, government bodies, service providers, educational institutions, and research organizations around the world. By providing these essential services, TuxCare plays a critical role in securing the digital landscape for diverse sectors.

Cloudflare serves as the backbone of your infrastructure, applications, teams, and software ecosystem. It offers protection and guarantees the security and reliability of your external-facing assets, including websites, APIs, applications, and various web services. Additionally, Cloudflare secures your internal resources, encompassing applications within firewalls, teams, and devices, thereby ensuring comprehensive protection. This platform also facilitates the development of applications that can scale globally. The reliability, security, and performance of your websites, APIs, and other channels are crucial for engaging effectively with customers and suppliers in an increasingly digital world. As such, Cloudflare for Infrastructure presents an all-encompassing solution for anything connected to the Internet. Your internal teams can confidently depend on applications and devices behind the firewall to enhance their workflows. As remote work continues to surge, the pressure on many organizations' VPNs and hardware solutions is becoming more pronounced, necessitating robust and reliable solutions to manage these demands.

Cyberthreats can be effectively eliminated, fostering a sense of security among users. The conventional antivirus solutions are no longer adequate in today's fast-evolving landscape. Malwarebytes proactively detects and neutralizes emerging threats even before traditional antivirus programs are aware of their presence. This advanced software is capable of blocking a wide range of dangers, including viruses, malware, harmful websites, ransomware, hackers, and other risks that standard antivirus programs often fail to address. Organizations of every size are adopting our innovative protection and response methodologies. Unlike traditional antivirus solutions, which tend to lag in addressing new threats, our system employs advanced techniques. Our multi-layered approach incorporates anomaly detection, a form of artificial intelligence, along with behavior matching and application hardening to obliterate previously unseen malware. This proactive strategy sets us apart from conventional antivirus tools and enhances overall cybersecurity. By continuously evolving our defenses, we ensure that users can navigate the digital landscape with greater peace of mind.

KACE serves as an all-in-one endpoint management solution that provides centralized control over IT systems throughout the organization. It is designed to streamline the entire process from the initial setup to continuous upkeep, effectively addressing all endpoint security and deployment requirements. By utilizing a unified inventory database, KACE enables businesses to swiftly deploy, oversee, and manage their devices, which significantly enhances device security through immediate hardware and software identification, patch management, compliance tracking, and real-time monitoring of mobile endpoints. Furthermore, KACE simplifies the complexities of maintaining device security and compliance, allowing organizations to focus on their core activities without worrying about endpoint vulnerabilities.

IPQualityScore offers a comprehensive set of fraud prevention tools that streamline quality controls aimed at thwarting bots, counterfeit accounts, fraudulent chargebacks, and harmful users, all while maintaining a seamless user experience. Leveraging top-notch IP reputation data alongside robust user validation methods, you can effectively identify and block malicious actors as well as cyber threats. By implementing the proactive Prevent Fraud™ system, you can enjoy smoother operations and significantly reduce complications in your processes. This approach not only enhances security but also ensures that legitimate users can navigate your platform without disruption.

Axence nVision is a comprehensive tool tailored for overseeing IT infrastructure of varying scales. This robust system is packed with an array of features that ensure effective and smooth management of IT environments. Comprising six distinct modules, it offers Network Monitoring for thorough oversight of IT assets, Inventory for swift audits of both hardware and software, and User Activity Monitoring along with Helpdesk capabilities to facilitate responsive technical support. Additionally, Dataguard serves to safeguard sensitive information from potential breaches, while Smarttime provides valuable insights into employee productivity and time management practices. With its diverse functionalities, Axence nVision stands out as an essential resource for IT professionals seeking to optimize their operations.

Through collaboration, we can robustly address cyber threats at every point within an organization, regardless of where the threats arise. Cybereason provides unmatched visibility and accurate detection of both known and unknown dangers, enabling security teams to leverage true preventive measures. The platform delivers extensive context and insights from the entire network, allowing defenders to evolve into proficient threat hunters capable of uncovering hidden attacks. With just a single click, Cybereason significantly reduces the time required for defenders to investigate and remedy incidents, utilizing both automation and guided assistance. By analyzing an impressive 80 million events every second, Cybereason functions at a scale that is 100 times larger than many of its competitors, which leads to a remarkable decrease in investigation duration by up to 93%. This swift capability empowers defenders to tackle new threats in just minutes rather than days, transforming how organizations respond to cyber challenges. Ultimately, Cybereason sets a new benchmark for threat detection and response, fostering a more secure digital environment for everyone involved. Moreover, this innovative approach not only enhances the efficiency of security operations but also promotes a proactive stance in the ever-evolving landscape of cyber threats.

A swift and effective antivirus solution provides extensive defense for your computer against a wide range of malware types, such as cryptolockers, screen blockers, banking trojans, adware, spyware, and potentially unwanted applications. In crafting this product, we meticulously analyzed the modern requirements for antivirus software, resulting in a tool that meets these needs proficiently. NANO Antivirus Sky Scan boasts a cloud-based scanner that can thoroughly examine files for potential threats. Additionally, users of NANO Antivirus Sky Scan benefit from the ability to easily oversee the antivirus software on their devices, promptly check updates on system protection status, and stay informed with the latest news directly from the app. Designed specifically for touchscreen devices, NANO Antivirus Sky Scan significantly improves the user experience while ensuring strong security measures. This cutting-edge solution empowers users to navigate their antivirus features smoothly and with assurance, allowing them to maintain control over their digital safety.

Coro alleviates the constant concerns surrounding overlooked security tools and the overwhelming number of security solutions available. You won't have to sift through everything multiple times a day anymore. With Coro, your security will be monitored continuously, and you will receive alerts when action is necessary. It assesses the potential threats to your organization and takes proactive measures to neutralize them. Moreover, Coro provides guidance on subsequent steps to enhance your security posture. Acting as a central hub for both sensitive and operational data, Coro enables you to implement a diverse array of security, compliance, and governance policies effectively. Every email undergoes thorough scanning for malware, phishing attempts, and ransomware, with threats being automatically neutralized. Additionally, we identify and thwart insider threats, account takeovers, and other harmful activities seamlessly. Each file, email, and data share is meticulously examined for sensitive information such as PII, PCI, and PHI, ensuring that confidential data remains secure and protected from leaks. Ultimately, Coro not only simplifies security management but also empowers organizations to strengthen their overall data protection strategies.

Implement, protect, oversee, and track your services with ease. Istio's advanced traffic management features allow you to control the flow of traffic and API exchanges between various services effortlessly. In addition, Istio makes it easier to configure service-level parameters like circuit breakers, timeouts, and retries, which are vital for executing processes such as A/B testing, canary releases, and staged rollouts by distributing traffic according to specified percentages. The platform is equipped with built-in recovery features that boost your application's resilience against failures from dependent services or network challenges. To tackle security concerns, Istio provides a comprehensive solution that safeguards your services in diverse environments, as detailed in this guide, which shows how to utilize Istio's security measures effectively. Specifically, Istio's security framework addresses both internal and external threats to your data, endpoints, communication channels, and overall platform integrity. Moreover, Istio consistently generates detailed telemetry data for all service interactions within a mesh, which enhances monitoring and offers valuable insights. This extensive telemetry is essential for ensuring high service performance and robust security, making Istio an indispensable tool for modern service management. By implementing Istio, you are not only reinforcing the security of your services but also improving their overall operational efficiency.

Artica Tech offers a robust yet user-friendly solution primarily tailored for large multinational corporations. Starting at an affordable price point of 99 EUR, Artica Proxy boasts an extensive network of over 62,000 servers. This solution acts as a comprehensive system that functions as a full appliance. It is advisable to avoid deploying Artica on an existing production server to ensure optimal performance. To acquire Artica, one option is through the Artica Proxy CDROM ISO. Both the Community and Enterprise versions of Artica are classified as "Open Source software," allowing users to access and view the source code under the GPL3 license. Furthermore, all documentation, screenshots, and the Artica Proxy itself are protected under copyright by Artica Tech SARL, established in 2014. This openness fosters a collaborative environment for users looking to enhance their network management capabilities.

InstaSafe is transforming the landscape of secure access to contemporary networks through the implementation of Zero Trust principles in its security solutions, which facilitate smooth access to various platforms including cloud applications, SAP applications, on-site data, IoT devices, and numerous innovative use cases. By shifting away from conventional VPN-based ideas of a network perimeter, InstaSafe redefines security by placing the perimeter around individual users and the devices they utilize. This Zero Trust methodology adopted by InstaSafe upholds a "never trust, always verify" stance on privileged access, emphasizing verification independent of network location. Consequently, this approach not only enhances security but also adapts to the evolving needs of modern digital environments.

Ensuring password security within Active Directory can prove to be a daunting task, yet it can be simplified effectively. Enzoic offers a solution that provides continuous, automated protection, functioning unobtrusively in the background. Tailored for IT professionals, it enhances security measures without introducing needless complications. - Continuous Monitoring: Passwords and credentials enjoy round-the-clock security—no manual intervention needed. - Instant Breach Protection: Daily updates preemptively block compromised passwords, averting potential risks. - All-Encompassing Defense: Safeguards not only passwords but entire credential sets, minimizing vulnerabilities across the board. - Eliminate Weak Passwords: Disallows common choices like "Password123" and encourages users to select stronger alternatives. - Streamlined Compliance: Automatically align with NIST 800-63B standards thanks to integrated protections and policies. - Intuitive User Tools: An optional Windows client offers immediate feedback to users, lightening the load on IT departments. State-of-the-Art Threat Intelligence: With billions of compromised passwords refreshed daily, Enzoic shields your systems against both new and previously known breaches. Engineered for IT, Crafted for Usability: Enzoic integrates effortlessly into your infrastructure, removing insecure passwords and bolstering overall security effectiveness. This ensures that organizations can focus on their core functions while maintaining a robust security posture.