Best Free IT Security Software - Page 2

Compare the Top Free IT Security Software as of November 2026 - Page 2

  • 1
    ManageEngine EventLog Analyzer
    ManageEngine EventLog Analyzer is an on-premise log management solution designed for businesses of all sizes across various industries such as information technology, health, retail, finance, education and more. The solution provides users with both agent based and agentless log collection, log parsing capabilities, a powerful log search engine and log archiving options. With network device auditing functionality, it enables users to monitor their end-user devices, firewalls, routers, switches and more in real time. The solution displays analyzed data in the form of graphs and intuitive reports. EventLog Analyzer's incident detection mechanisms such as event log correlation, threat intelligence, MITRE ATT&CK framework implementation, advanced threat analytics, and more, helps spot security threats as soon as they occur. The real-time alert system alerts users about suspicious activities, so they can prioritize high-risk security threats.
    Starting Price: $595
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    QuantaStor

    QuantaStor

    OSNexus

    QuantaStor is a unified Software-Defined Storage platform designed to scale up and out to make storage management easy while reducing overall enterprise storage costs. With support for all major file, block, and object protocols including iSCSI/FC, NFS/SMB, and S3, QuantaStor storage grids may be configured to address the needs of complex workflows which span sites and datacenters. QuantaStor’s storage grid technology is a built-in federated management system which enables QuantaStor servers to be combined together to simplify management and automation via CLI and REST APIs. The layered architecture of QuantaStor provides solution engineers with unprecedented flexibility and application design options that maximizes workload performance and fault-tolerance for a wide range of storage workloads. QuantaStor includes end-to-end security coverage enabling multi-layer data protection “on the wire” and “at rest” for enterprise and cloud storage deployments.
    Starting Price: $/TB based on scale
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  • 3
    Fraud.net

    Fraud.net

    Fraud.net, Inc.

    Fraudnet's AI-driven platform empowers enterprises to prevent threats, streamline compliance, and manage risk in real-time. Our sophisticated machine learning models continuously learn from billions of transactions to identify anomalies and predict fraud attacks. Our unified solutions: comprehensive screening for smoother onboarding & improved compliance, continuous monitoring to proactively identify new threats, & precision fraud detection across channels and payment types. With dozens of data integrations and advanced analytics, you'll dramatically reduce false positives while gaining unmatched visibility. And, with no-code/low-code integration, our solution scales effortlessly as you grow. The results speak volumes: Leading payments companies, financial institutions, innovative fintechs, and commerce brands trust us worldwide—and they're seeing dramatic results: 80% reduction in fraud losses and 97% fewer false positives. Request your demo today and discover Fraudnet.
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    10Duke Enterprise
    10Duke Enterprise is a cloud-based, scalable and flexible software licensing solution enabling software vendors to easily configure, manage and monetize the licenses they provide to their customers in real-time. 10Duke enables you to gain a single point of license control for desktop, SaaS, and mobile apps, APIs, VMs and devices. It’s cloud-native, supports all license models, integrates with CRM & Ecommerce, has a built-in Customer Identity Management solution, and supports offline scenarios. 10Duke Enterprise is used by SMBs and Fortune 500 customers alike, and is SOC2 audited. 10Duke Enterprise is used across a wide range of industries by the fastest-growing software vendors that offer desktop, SaaS and mobile apps, devices, APIs and VMs. It's specifically designed for fast-growing software businesses looking to scale up licensing & minimize friction. 10Duke Enterprise is used around the world by leading brands including Trimble, Causeway, Seequent, Maxon and Steinberg.
    Starting Price: $199/month
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  • 5
    Curtain MonGuard Screen Watermark
    Curtain MonGuard Screen Watermark is an enterprise solution that displays watermarks on users' screens, showing information like PC name, and username. It captures user attention and serves as a reminder before taking screenshots to share sensitive information. Key features: - On-screen watermark - Full screen-watermark - Application screen-watermark - Supports over 500 Applications - Self-defined content of watermark - Screen-watermark by condition - Central administration - Integration with Active Directory - Uninstall password for client - Password management - Admin delegation - Self protection for the software Licensing: Curtain MonGuard is shareware. You can download and use the software for free on a trial basis or commercial use. If you want to display [username] and [IP address] in screen watermark and some advanced features, you need to activate the software to paid version.
    Starting Price: Free with limited functions
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    BackUp Maker

    BackUp Maker

    ASCOMP Software

    Malware, user errors, or hardware failures often spell the end for important files. Therefore, it is essential to create regular backups to have a safety copy to fall back on in case of an emergency. Discover how BackUp Maker simplifies the process of data backup. With BackUp Maker, you simply select the data you want to secure, configure automation if desired, choose the destination, and your documents are reliably backed up - either scheduled or based on specific events. Your data lands safely and compactly in zip format on hard drives, USB sticks, or in the cloud. To protect sensitive information from unauthorized access, BackUp Maker offers high-security encryption of up to 256-bit (AES). Additionally, the program allows for the secure offloading of your encrypted backups via SFTP or FTP/FTPS to a web server. BackUp Maker supports a comprehensive backup concept without restrictions. Secure only new and changed files, create multiple backup generations, distribute backups across various storage media, and perform custom actions before and after the backup.
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    Starting Price: Free
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  • 7
    GPT-5.5-Cyber
    GPT-5.5-Cyber is an advanced cybersecurity-focused AI model designed for verified defenders working on authorized security research, vulnerability discovery, and remediation. The model pairs stronger cyber capabilities with more permissive behavior for specialized workflows that require deep analysis across complex software environments. It can help identify security-relevant components, trace vulnerable code paths, validate likely issues in controlled settings, develop and test patches, and prepare evidence for human review. GPT-5.5-Cyber is built to support the full remediation loop rather than simply generating more findings. The model shows stronger benchmark performance than GPT-5.5 on CyberGym, ExploitGym, and SEC-bench Pro, reflecting improvements in vulnerability reproduction, exploit reasoning, and long-horizon security tasks. GPT-5.5-Cyber is intended for advanced, authorized cybersecurity work with verification, monitoring, scoped controls, and review.
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    Google Authenticator
    Google Authenticator generates 2-Step Verification codes on your phone. 2-Step Verification provides stronger security for your Google Account by requiring a second step of verification when you sign in. In addition to your password, you’ll also need a code generated by the Google Authenticator app on your phone. You can use your Google Account to more easily and securely sign in to thousands of sites and services on the web, while keeping your privacy choices transparent in one place. Protect your Google Account with Security Checkup. This detailed tool provides you with personalized and practical recommendations to help you strengthen the security of your Google Account. Hacked passwords are more common than you think. Two-step verification protects you from unauthorized access to your account. To do this, it requests a second step after entering the password.
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    Cisco Duo
    Cisco Duo is a cloud-based identity security solution that protects organizations from identity-based threats and boosts workforce productivity. Trusted by over 40,000 organizations worldwide, Duo delivers an exceptional access management experience across all users, devices, and applications, making access to resources secure, seamless, and easy. Duo with Cisco Identity Intelligence provides deep visibility across your identity ecosystem, adding a powerful security layer to any identity infrastructure. Offer users a world-class access experience through Duo Passport to eliminate MFA friction and fatigue without sacrificing security. To stop threats, Duo verifies user identities with strong authenticators including Duo passwordless, Verified Duo Push with number matching, and phishing-resistant factors like biometrics and FIDO2 security keys. Paired with deep insights into users’ devices, Duo gives you the control to adaptively limit access based on device health or user risk.
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    Starting Price: $3 per user per month
  • 10
    ActivTrak

    ActivTrak

    Birch Grove Software

    ActivTrak helps enterprises drive operational efficiency through AI-powered workforce intelligence. Its award-winning platform transforms work activity data into actionable insights for workforce management, workforce productivity and workforce planning — enabling measurable ROI and stronger business outcomes. More than 9,500 organizations trust ActivTrak's technology, recognized by Deloitte's Technology Fast 500, Inc. 5000, TrustRadius, and G2. Backed by Sapphire Ventures and Elsewhere Partners, ActivTrak leads the way in privacy-first workforce data that fuels the future of intelligent work.
    Starting Price: $10/user/month billed annually
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    ManageEngine OpManager
    OpManager is a network management tool geared to monitor your entire network. Ensure all devices operate at peak health, performance, and availability. The extensive network monitoring capabilities lets you track performance of switches, routers, LANs, WLCs, IP addresses, and firewalls. Monitor the finer aspects of your network: Hardware monitoring enables CPU, memory, and disk monitoring, for efficient. performance of all devices. Perform seamless faults and alerts management with real-time notifications and detailed logs for quick issue detection and resolution. Achieve network automation, with workflows enabling automated diagnostics and troubleshooting actions. Advanced network visualization-including business views, topology maps, heat maps, and customizable dashboards give admins an at-a-glance view of network status. 250+ pre-built reports covering metrics like device performance, network usage, uptime, facilitate capacity planning and improved decision-making.
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    Starting Price: $95.00/one-time
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    Gumlet

    Gumlet

    Gumlet

    Host, secure, and stream videos in minutes with Gumlet Video. Build custom video processing and delivery with Gumlet Video API. Optimize and deliver images at scale with Gumlet Image. Trusted by 10,000+ businesses, Gumlet handles 1.5B media files daily with a 54% optimization rate. Gumlet Video: Streamline Video Delivery 1. Simplify video streaming with minimal coding. 2. Achieve high compression without quality loss. 3. Manage videos on a unified platform. 4. Automate via APIs, SDKs, and webhooks. 5. Gain video analytics for better ROI. 6. RTMP Live Streaming at scale in minutes. Gumlet Image Optimization 1. Auto-resize and compress images. 2. Integrate seamlessly for better UX & SEO. 3. World’s first auto-responsive resize. 4. AI automation for complete image control. Founded in 2019 in Singapore by Aditya Patadia & Divyesh Patel, who also built AI startup Turing Analytics.
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    Starting Price: $10 / month
  • 13
    ManageEngine Network Configuration Manager
    Network Configuration Manager is a multi-vendor network change, configuration and compliance management (NCCM) solution for switches, routers, firewalls and other network devices. NCM helps automate and take total control of the entire life cycle of device configuration management. Schedule device configuration backups, track user activity and spot changes by comparing configuration versions all from a centralized web GUI. Monitor configuration changes, get instant notifications and prevent unauthorized changes to make your networking environment secure, stable and compliant. Define standard practices and policies, check device configurations for violations and readily apply remedial measures to ensure device compliance. Save time by automating repetitive, time-consuming configuration management tasks and also by centrally applying configuration changes to devices in bulk.
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    Starting Price: $238
  • 14
    ManageEngine Applications Manager
    ManageEngine Applications Manager is an enterprise-ready platform designed to monitor an entire application ecosystem of a business organization. Our platform helps IT and DevOps teams get visibility into all the dependent components within their application stack. With Applications Manager, it becomes easier to monitor the performance of mission-critical web applications, web servers, databases, cloud services, middleware, ERP systems, messaging components, and more. It has tons of features that fast-track the troubleshooting process and help reduce MTTR. This way, issues are fixed before application end-users are affected. Applications Manager has a fully functional dashboard that can be customized to get performance insights at a glance. By configuring alerts, it constantly keeps a lookout for performance issues within the application stack. Combining this with intelligent machine learning, Applications Manager helps turn performance data into actionable insights.
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    Starting Price: $395.00/Year
  • 15
    Gcore

    Gcore

    Gcore

    Gcore provides edge cloud infrastructure built for high-performance content storage, delivery, and protection. The platform combines DDoS protection across L3/4/7 layers, a fully featured WAAP, and real-time threat intelligence to safeguard web applications, APIs, and infrastructure. Optimized for high-traffic, latency-sensitive services — especially in gaming, iGaming, e-commerce, and digital-native industries — it handles unpredictable traffic spikes and malicious traffic patterns while ensuring stable application performance. The globally distributed network enables fast delivery of heavy content, reduces the burden on servers at peak loads, and lowers infrastructure costs. With a unified ecosystem integrating edge delivery, hosting, compute, and advanced security, Gcore helps businesses of any size reduce capital and operating expenses while delivering smooth, uninterrupted user experiences. A rich management API, Terraform provider, SIEM/SOC integrations, and real-time analytics p
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    Starting Price: €0.00 per per month
  • 16
    NetFlow Analyzer

    NetFlow Analyzer

    ManageEngine

    NetFlow Analyzer is a comprehensive traffic analysis tool that leverages flow technologies to provide real-time visibility into network bandwidth performance. NetFlow Analyzer is primarily a bandwidth monitoring tool, which has optimized thousands of networks globally, offering a holistic view of your network bandwidth and traffic patterns. NetFlow Analyzer is a unified solution that collects, analyzes, and reports on your network's bandwidth usage, and by whom. NetFlow Analyzer is your partner in optimizing bandwidth usage across a million interfaces globally, as well as providing network forensics and network traffic analysis. Reconfigure policies with traffic shaping via ACLs or class-based policies to gain control of the applications that use the most bandwidth. NetFlow Analyzer leverages Cisco NBAR technology to give you deep visibility into Layer 7 traffic and recognize applications that use dynamic port numbers or hide behind known ports.
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    Starting Price: $245
  • 17
    Pandora FMS

    Pandora FMS

    Pandora FMS

    With more than 50,000 customer installations across the five continents, Pandora FMS is a truly all-in-one monitoring solution, covering all traditional silos for specific monitoring: servers, networks, applications, logs, synthetic/transactional, remote control, inventory, etc. Pandora FMS gives you the agility to find and solve problems quickly, scaling them so they can be derived from any source, on-premise, multi cloud or both of them mixed. Now you have that capability across your entire IT stack and analytics to find any problem, even the ones that are hard to find. Thanks to more than 500 plugins available, you can control and manage any application and technology, from SAP, Oracle, Lotus, Citrix or Jboss to VMware, AWS, SQL Server, Redhat, Websphere, etc.
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    Starting Price: €90/month
  • 18
    MIRACL

    MIRACL

    MIRACL

    World's fastest MFA with the highest login success rate above 99%. Highly secure, password-free login in just two seconds. MIRACL works on any device or browser, removing the barriers to authentication to optimise the the user experience, decrease costs, and win lost revenue. Protect your users. Simplify their journey. MIRACL Trust offers a safer, smoother authentication experience. One step. No passwords. No problem. Traditional multi-factor authentication is slow and cumbersome. MIRACL is a smoother, safer alternative to traditional MFA. 2 seconds to log in with error rates as low as 1/10th that of passwords. No passwords necessary. One PIN, and you’re in. Our cryptographic technology means that user info stays with users. MIRACL Trust offers an effortless login experience that puts users first, rolls out hassle-free, and keeps data locked up tight. PSD2 SCA compliant, GDPR compliant and satisfies NJ Gaming MFA requirements.
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    SharePass

    SharePass

    SharePass

    SharePass is a SaaS Secret Management platform that allows sharing and managing secrets and confidential information using a web application, extension, or mobile app. SharePass works with encrypted links transmitted from the sender to the receiver with various settings and flags. The settings include expiry restriction, availability, IP restrictions and an entire filtering funnel (patent pending). SharePass is platform-independent that can be used with your existing communication tools. When it comes to your privacy, SharePass or any of its employees cannot see the content of your secrets; the secrets can be seen only by the exchanging parties. SharePass meets the latest cybersecurity compliance and regulations. In the era of identity theft, SharePass will protect you and prevent your data from leaking to the dark web by eliminating your digital footprint. SharePass supports SSO with Office365, Google Workspace, MFA, and integration with Yubikeys for maximum security.
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    Starting Price: Free
  • 20
    Action1

    Action1

    Action1

    Action1 is an autonomous endpoint management platform trusted by many Fortune 500 companies. Cloud-native, infinitely scalable, highly secure, and configurable in 5 minutes—it just works and is always free for the first 200 endpoints, with no functional limits. By pioneering autonomous OS and third-party patching with peer-to-peer patch distribution and real-time vulnerability assessment without needing a VPN, it eliminates routine labor, preempts ransomware and security risks, and protects the digital employee experience. In 2025, Action1 was recognized by Inc. 5000 as the fastest-growing private software company in America. The company is founder-led by Alex Vovk and Mike Walters, American entrepreneurs who previously founded Netwrix, a multi-billion-dollar cybersecurity company.
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    Starting Price: $0 USD/per device/per month
  • 21
    Auth Armor

    Auth Armor

    Auth Armor

    Harness the power of biometrics on smartphones to make authentication easy for any application or website, creating a new approach to logging and authenticating online. Passwordless and 2-factor authentication that lets you authenticate your users with the smartphones in their pockets. Auth Armor puts secure authentication in the hands of every user — no weak passwords or cumbersome codes. We have built powerful APIs, SDKs, libraries, and dashboards to allow you to build what you want to build, how you want to build it. Use our tools to build authentication into any app, using any flow you would like. We offer Consumer facing and workforce protection, giving you the power and flexibility to secure anything, the way you need it. Auth Armor is the fastest and easiest mobile authenticator available. We support instant push messaging directly to user's devices enabling the fastest login and authentication experience.
    Starting Price: FREE for 10,000 active users!
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    Relianoid

    Relianoid

    Relianoid

    Designed to elevate your online services to unparalleled levels of performance, reliability, and security, our ADC solution ensures seamless traffic distribution, enhanced resource utilization, and fortified protection against potential cyber threats. Providing you massive scalability, high availability, and increased security for your services, applications, and networks. Unlimited throughput, connections, farms, and optimized for multi-core with broad hardware compatibility. No need for installation that allows a quick production consolidation, ensuring a seamless deployment process. Integrated easily in your infrastructure ensuring a productive and cost-saving setup and maintenance. Sharing hardware resources reduces costs associated with physical hardware, making it a budget-friendly option. Ready for 64 bits platforms in order to provide better performance and a more robust environment. It permits to assign more resources in terms of performance than other architectures.
    Starting Price: $1,356 one-time payment
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    Guardz

    Guardz

    Guardz

    Guardz is the unified cybersecurity platform purpose-built for MSPs. We consolidate the essential security controls, including identities, endpoints, email, awareness, and more, into one AI-native framework designed for operational efficiency. Our identity-centric approach connects the dots across vectors, reducing the gaps that siloed tools leave behind so MSPs can see, understand, and act on user risk in real time. Backed by an elite research and threat hunting team, Guardz strengthens detection across environments, turning signals into actionable insights. With 24/7 AI + human-led MDR, Guardz utilizes agentic AI to triage at machine speed while expert analysts validate, mitigate, and guide response, giving MSPs scalable protection without adding headcount. Our mission is simple: give MSPs the scale, confidence, and clarity they need to stay ahead of attackers and deliver protection to every SMB they serve.
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    Veriam

    Veriam

    Veriam

    Veriam brings access and subscriptions together in one simple, secure solution. Our brand new platform makes it faster and simpler for SaaS providers to manage onboarding, access, contracting, renewals, and billing—all in one place. How Veriam stands out ✔️ All-in-one platform: Manage access and subscriptions from a single platform, reducing admin and improving workflows. ✔️ Real-time updates: Access permissions update instantly as subscription changes happen—no delays, no downtime. ✔️ Self-service controls: Customers manage their subscriptions, profiles, and access settings, reducing support tickets. ✔️ One login for customers: No password fatigue. Customers only need a single login to access products, subscriptions, and data from any organization using Veriam. ✔️ Security & Compliance: Fewer tools, fewer points of failure. Veriam meets industry standards, ensuring customer data is handled securely and privately. Try us out today!
    Starting Price: Free
  • 25
    Hexnode UEM

    Hexnode UEM

    Mitsogo Inc

    Hexnode, the enterprise software division of Mitsogo Inc., is a Unified Endpoint Management solution with cross-platform functionalities. Hexnode supports all major operating systems, including iOS, iPadOS, Android, Windows, macOS, tvOS, Linux, ChromeOS, visionOS, Apple TV, Android TV, and fireOS, and offers out-of-the-box enrollment methods. The entire device lifecycle, starting from enrollment to device retirement, can be monitored and managed from a unified console. Features such as automated device enrollment, geofencing, Remote Monitoring and Management, patch management, and a simple and intuitive UI makes it the perfect tool for device management. In addition, Hexnode offers a wealth of tools perfect for today's increasingly mobile, modern teams, which includes an intuitive dashboard for greater visibility and control over mobile devices across the enterprise, web filtering for security, location tracking, and so much more.
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    GateKeeper Enterprise

    GateKeeper Enterprise

    Untethered Labs, Inc.

    Passwordless, proximity login to PCs, Macs, websites, and desktop applications. Hands-free, wireless 2FA and password manager through active proximity-detection. IT admins can dynamically allow users to log in to their computers and websites with a physical key either automatically, by touch, by pressing Enter, or with a PIN. Seamlessly login, switch users, switch computers, and logout without passwords, touch, or trouble - just a key. Once a user walks away, the computer will lock, blocking access to the computer and web passwords. With continuous authentication, users are always being checked to ensure that they require access. No more typing passwords. Admins and compliance can now automate password security from a central admin console: enforce stronger passwords, enforce 2FA, and give employees the power of password-free login without interrupting workflow. Reduce helpdesk tickets related to forgotten passwords/password resets. Login and auto-lock with proximity.
    Starting Price: $3/user/month
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    MyChat

    MyChat

    Network Software Solutions

    MyChat is a self-hosted corporate messenger for teams that need private communication, LAN/on-premise deployment, file sharing, calls, task boards, forums, integrations, and admin control without moving company conversations to a public cloud.
    Starting Price: $8/per user/one-time
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    Bugfender

    Bugfender

    Beenario

    Remote logger, crash reporter and in-app user feedback Bugfender is a log storage service for application developers. Bugfender collects everything happening in the application, even if it doesn’t crash, in order to reproduce and resolve bugs more effectively and provide better customer support. Bugfender respects your user's privacy, is battery and network efficient and keeps logging even if the device is offline. Track and destroy bugs before users even notice. Bugfender logs all bugs on all devices and sends the results in seconds - enabling you to find and fix bugs before your users even get an error message. Achieve 5-Star Ratings. Bugfender doesn’t just log bugs and crashes. It logs all the information you’ll ever need so you can build a clear picture of your users and earn those crucial five-star ratings. Deliver world-class customer service. Our logging tool enables you to target individual users and provide personalized customer support.
    Starting Price: €29 per month
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    ClouDNS

    ClouDNS

    ClouDNS

    ClouDNS is a leading global provider of managed DNS services, trusted by businesses of all sizes for its speed, security, and reliability. Powered by a high-performance Anycast DNS network with 60+ Points of Presence across 6 continents, it ensures lightning-fast domain resolution, instant global synchronization, and up to 1000% SLA uptime guarantees. ClouDNS offers a full suite of DNS and domain solutions, including Free DNS, Premium DNS, DDoS Protected DNS, GeoDNS, Domain Registration, SSL Certificates, Real-Time Monitoring, and Google Workspace integration. As an ISO 27001-certified and ICANN-accredited provider, ClouDNS meets the highest standards for security and compliance. Its infrastructure is built to resist DDoS attacks, support DNSSEC, and provide enterprise-grade reliability. All services are backed by 24/7 live chat support, with real DNS experts ready to assist in under 60 seconds.
    Starting Price: $2.95 per month
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     ThumbmarkJS

    ThumbmarkJS

    ThumbmarkJS

    ThumbmarkJS is a fair, privacy-friendly fingerprinting library built by developers for developers. Offered under an MIT license, it can be installed via NPM or loaded from jsDelivr, and with just a few lines of JavaScript, importing the UMD bundle and calling tm.get(), it returns a consistent 32-character thumbmark fingerprint. For small projects requiring higher accuracy, a free API version is available, while the Pro version scales indefinitely and cost-efficiently for large-scale applications. Without complex setup or invasive tracking, ThumbmarkJS has been integrated into over 60,000 websites, handling more than 1 billion identifications and 200 thousand downloads per month. It is free, open source, and has been designed as an alternative to FingerprintJS. It generates distinct, persistent device fingerprints using web APIs like canvas, audio, fonts, WebGL, and more, enabling identification of browsers across sessions.
    Starting Price: 15€ per month