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.

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.

Combat Magecart, formjacking, token theft, cryptojacking, and various other threats! Utilizing a proxy-based framework, a proxy is strategically positioned between the third-party scripts and the user's browser, enabling it to monitor the code that is retrieved by the user's browser. The client-side proxy ensures constant, comprehensive visibility and oversight of all third-party scripts running in the user's browser, maintaining this level of surveillance 100% of the time without any sampling.

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.

Authenticating users is one of the most critical and high-impact moments in your customers' journey. With Kinde, you can take complete control. We give you the power to manage user authorization with passwordless authentication, social logins, and enterprise SSO. You can also support your customers' branding with custom domains and a fully customizable UI, even by uploading your own designs. For complex requirements, our powerful workflows let you run your own code during the authentication process. You can easily organize all your business customers using organizations, making it simple to segment them and fine-tune their authentication experience to their unique needs. Kinde also lets you monetize your ideas faster with robust billing tools. You can effortlessly set up subscription plans and start collecting revenue. Kinde's flexible system is built to support any business model—B2C, B2B, or B2B2C—and its powerful organization management and flexible billing logic will scale with your business and your customers.

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.

Chrome Enterprise offers a robust suite of advanced security measures, positioning it as a key component of corporate IT security frameworks. Utilizing features like sandboxing, site isolation, and real-time Safe Browsing notifications, Chrome safeguards users from a variety of online dangers, such as malware, ransomware, and phishing schemes. Organizations can easily manage and tailor their security settings through the Admin console, enabling them to implement strict browsing policies, limit extensions, and adhere to both internal and regulatory standards. Additionally, Chrome's security functionalities work in conjunction with endpoint protection and identity management systems, ensuring a holistic defense strategy. This multi-layered security model empowers organizations to proactively counteract emerging threats while retaining operational flexibility. It also facilitates compliance with regulations like GDPR, HIPAA, and more.

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.

Chainguard Containers are a curated catalog of minimal, zero-CVE container images backed by a leading CVE remediation SLA—7 days for critical vulnerabilities, and 14 days for high, medium, and low severities—helping teams build and ship software more securely. Contemporary software development and deployment pipelines demand secure, continuously updated containerized workloads for cloud-native environments. Chainguard delivers minimal images built entirely from source using fortified build infrastructure, including only the essential components required to build and run containers. Tailored for both engineering and security teams, Chainguard Containers reduce costly engineering effort associated with vulnerability management, strengthen application security by minimizing attack surface, and streamline compliance with key industry frameworks and customer expectations—ultimately helping unlock business value.

In the workplace, organizations frequently find it necessary to allow their staff access to sensitive data, yet many lack insight into how that data is being utilized or if it's being misused. This lack of visibility poses challenges, especially as companies must fulfill internal audit obligations and adhere to various data security regulations and policies. Consequently, the IT department faces the critical task of effectively monitoring and documenting employee interactions with company data resources. Curtain LogTrace offers comprehensive monitoring of file activities across the enterprise, capturing user actions such as creating, copying, moving, deleting, renaming, printing, opening, closing, and saving files. It also records the source and destination paths along with the type of disk involved, making it an ideal solution for oversight of user file activities. Notable Features: - Comprehensive logging for file creation and deletion - Detailed tracking for file copying and moving - Records actions for printing and renaming files - Application logging for saving, opening, and closing files - Compatibility with MySQL and MS SQL databases - Watermarking capability for printed documents - Centralized administration for easier management - Seamless integration with Active Directory - Uninstall password protections for client software - Robust password management options - Delegation of administrative tasks - Self-protection mechanisms for the software to ensure its integrity and functionality.

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.

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.

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.

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.

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.

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.

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.