Best Free IT Security Software
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Compare the Top Free IT Security Software as of January 2026
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What is Free IT Security Software?
IT security software is designed to protect information technology (IT) systems, networks, and data from cyber threats, such as malware, hacking, and unauthorized access. These tools provide various features such as antivirus protection, firewalls, encryption, intrusion detection and prevention systems, and vulnerability management to ensure the integrity, confidentiality, and availability of sensitive information. IT security software helps organizations detect, prevent, and respond to security incidents, mitigate risks, and ensure compliance with industry regulations. It is critical for businesses and individuals to safeguard against cyberattacks, data breaches, and other security vulnerabilities. Compare and read user reviews of the best Free IT Security software currently available using the table below. This list is updated regularly.
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1
Google Cloud Platform
Google
Google Cloud Platform offers robust IT security tools to protect cloud workloads, including identity management, encryption, and threat detection. GCP’s multi-layered approach ensures that businesses can secure their infrastructure, data, and applications. With tools like Google Cloud Identity & Access Management (IAM) and Google Cloud Security Command Center, businesses can manage risks and compliance. New customers receive $300 in free credits to run, test, and deploy workloads, making it easier to evaluate the platform's IT security features at no upfront cost. GCP’s security tools include automated patch management, vulnerability scanning, and secure authentication, which help mitigate risks and reduce the threat surface. The platform is also designed to meet stringent compliance standards, ensuring that businesses can secure their cloud environments while adhering to industry regulations.Starting Price: Free ($300 in free credits) -
2
New Relic
New Relic
Strengthen IT Security with New Relic: Safeguard your enterprise with advanced threat detection and resilient protection. Elevate your IT security posture with New Relic’s robust observability platform, designed to provide software engineer practitioners with comprehensive visibility and control over your security landscape. Our solution offers real-time monitoring and advanced threat detection, empowering you to proactively identify and address vulnerabilities before they impact your business. Seamlessly integrate security insights with your broader IT operations to ensure compliance, minimize risks, and protect critical assets. Enhance your incident response capabilities, streamline security management, and align your security strategy with organizational objectives. With New Relic, fortify your enterprise against evolving threats and drive a culture of proactive security and resilience.Starting Price: Free -
3
Site24x7
ManageEngine
ManageEngine Site24x7 is a comprehensive observability and monitoring solution designed to help organizations effectively manage their IT environments. It offers monitoring for back-end IT infrastructure deployed on-premises, in the cloud, in containers, and on virtual machines. It ensures a superior digital experience for end users by tracking application performance and providing synthetic and real user insights. It also analyzes network performance, traffic flow, and configuration changes, troubleshoots application and server performance issues through log analysis, offers custom plugins for the entire tech stack, and evaluates real user usage. Whether you're an MSP or a business aiming to elevate performance, Site24x7 provides enhanced visibility, optimization of hybrid workloads, and proactive monitoring to preemptively identify workflow issues using AI-powered insights. Monitoring the end-user experience is done from more than 130 locations worldwide.Starting Price: $9.00/month -
4
Aikido Security
Aikido Security
Secure your code, cloud, and runtime in one central system. Aikido’s all-in-one security platform is loved by developers and security teams alike with full security visibility, insight in what matters most, and fast/automatic vulnerability fixes. Teams get security done with Aikido thanks to: - False-positive reduction - AI Autotriage & AI Autofix - Deep integration into the dev workflow (from IDEs and task managers to CI/CD gating) - AI Pentests - Automated Compliance Aikido covers the entire Software Development Lifecycle (SDLC), including: static application security testing (SAST), dynamic application security testing (DAST), infrastructure-as-code (IaC), container scanning, secrets detection, open source license scanning (SCA), cloud posture management (CSPM), runtime protection, AI pentests, and more.Starting Price: Free -
5
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. -
6
Graylog
Graylog
Graylog is a centralized log management and IT security platform that helps teams monitor, investigate, and secure complex environments with confidence. It collects and analyzes log data from servers, applications, networks, and cloud infrastructure to surface security issues, misconfigurations, and operational risks in real time. Designed for efficiency, Graylog reduces noise with normalized data, targeted alerts, and guided workflows—so IT and security teams can quickly understand what’s happening and take action. Flexible deployment options support on-prem, cloud, and hybrid environments, while selective ingestion and intelligent data tiering keep storage and licensing costs predictable. With open integrations, built-in dashboards, and powerful search, Graylog gives IT teams clear visibility, faster troubleshooting, and stronger security—without complexity or vendor lock-in.Starting Price: $1250/month -
7
FusionAuth
FusionAuth
FusionAuth is a modern, developer-focused identity and access management platform built to give you full control over your authentication stack. Whether you’re building a startup app or managing enterprise-scale infrastructure, FusionAuth delivers all the must-have features — from login and SSO to advanced protocols like OAuth2, OIDC, SAML, and WebAuthn — in a self-hostable or cloud-native package. Designed with developers in mind, FusionAuth integrates seamlessly with any language, framework, or architecture. Every capability is API-first and built for extensibility, so you can tailor authentication workflows without getting locked into rigid, inflexible systems. FusionAuth supports all the key use cases — user registration, multi-factor authentication (MFA), passwordless login, role-based access control, and more — while helping you stay compliant with GDPR, HIPAA, PCI, and other regulatory standards.Starting Price: $0 -
8
Chainguard
Chainguard
Chainguard Containers are a guarded catalog of 1,700+ minimal, zero-CVE container images with a best-in-class CVE remediation SLA (7 days for critical severity, 14 days for high, medium and low) that helps customers build and deploy software better. Modern software development practices and deployment pipelines require secure, up-to-date containerized applications for cloud-native applications. Chainguard builds minimal images continuously from source in our hardened build infrastructure, with only the components required to build and run your applications. Aimed at engineering organizations and security teams alike, Chainguard Containers reduce costly engineering toil around vulnerability management, enhance the security posture of applications by eliminating attack surface, and unlock revenue by simplifying compliance with key frameworks and customer requirements. -
9
Source Defense
Source Defense
Source Defense is a mission critical element of web security designed to protect data at the point of input. The Source Defense Platform provides a simple and effective solution for data security and data privacy compliance – addressing threats and risks originating from the increased use of JavaScript, third-party vendors, and open-source code in your web properties. The Platform provides options for securing your own code, as well as addressing a ubiquitous gap in the management of third-party digital supply chain risk – controlling the actions of the third-party, fourth and nth party JavaScript that powers your site experience. The Source Defense Platform protects against all forms of client-side security incidents – keylogging, formjacking, digital skimming, Magecart, etc. – by extending web security beyond the server to the client-side (the browser). -
10
PowerDMARC
PowerDMARC
PowerDMARC is a comprehensive email security solution designed to protect your brand reputation and safeguard your email communications. By leveraging advanced technologies such as DMARC, SPF, DKIM, BIMI, MTA-STS, and TLS-RPT, PowerDMARC offers a robust defense against email threats like spoofing, phishing, and ransomware. Our user-friendly platform simplifies complex configurations, empowering you to easily manage and monitor your email security posture. With AI-powered threat intelligence, you gain valuable insights to proactively identify and mitigate emerging threats. Trusted by over 2000 organizations globally, including Fortune 100 companies and governments, PowerDMARC is your trusted partner in securing your email infrastructure.Starting Price: $12 per month -
11
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 -
12
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.Starting Price: $10 / month -
13
ManageEngine Applications Manager
ManageEngine
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.Starting Price: $395.00/Year -
14
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.Starting Price: €90/month -
15
ManageEngine Network Configuration Manager
ManageEngine
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.Starting Price: $238 -
16
FUGU
FUGU Risk
FUGU offers a multi-tier self-learning fraud-prevention strategy. Unlike other solutions, FUGU's fraud-detection software tracks online payments post-purchase, as EVERY PAYMENT COUNTS! WORKING MONTH-2-MONTH - ZERO RISK, NO COMMITMENT! FUGU reduces false transaction declines by 50%, wins chargeback disputes by 85%, and identifies fraud attacks, including cases of friendly fraud. FUGU also offers a chargeback liability shift service, covering fraud and authorization reason codes. As part of FUGU's motto - "EVERY PAYMENT COUNTS", we offer a unique KYC system for automating verification processes and increasing its success rate to the highest rates in the industry. FUGU is a must-have solution for any business that accepts online payments, such as: 1. eCommerce websites - supporting all platforms (including the Shopify app) 2. Payment getaways 3. SaaS 4. Investments companies \ exchanges 5. Gaming\Casino 6. Banks, creditcards, etc 7. Chargebcks guaranteStarting Price: $99 -
17
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 -
18
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! -
19
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. -
20
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 -
21
DoveRunner
DoveRunner
DoveRunner - the AI-powered next-gen AppShielding solution crafted to enable organizations to prevent mobile app attacks and deal with sophisticated threat landscapes with perfect precision in just 3 simple steps. DoveRunner brings the benefits of DevSecOps to Mobile Apps with a ZERO-FRICTION, ZERO-CODING Approach. Get the best of Defense-in-depth security and regulatory compliance in a single solution for mobile apps DoveRunner is trusted by industries like Fintech/Banking, O2O, Movie Apps, Gaming, Healthcare, Public apps, E-commerce, and others globally.Starting Price: $129/app/month -
22
Verosint
Verosint
Verosint's Threat Detection, Investigation and Response platform provides real-time, intelligent ITDR for both workforce and customer identities. -Fastest MTTD & MTTR: Detect and respond to Identity based threats faster than anyone else in the industry -Detect Advanced Threats: Spot session hijacking, credential stuffing, account takeovers and more -Investigate Efficiently: Our customers say investigating incidents has gone from days to minutes with our AI Insights, unparalleled visibility and intelligence -Remediate Quickly: Automatically resolve identity threats with our integrated remediation playbooks -Easy to Deploy: Deploys in 60 minutes or lessStarting Price: $1/user/month -
23
KernelCare Enterprise
TuxCare
Global organizations trust TuxCare for live patching their critical Linux hosts and OT devices across their hybrid multi-cloud environments. No reboot is required to deploy and enable the TuxCare KernelCare Enterprise solutions to live patch Linux kernels and critical system libraries, including OpenSSL and Glibc. In contrast, all hosts and devices maintain the current production level uptime while receiving all security updates. TuxCare automates the patching process and eliminates the need to wait weeks or months for reboot cycles to apply patches. TuxCare currently protects over 1 million workloads worldwide. Tight integrations with popular patch management and vulnerability scanners, including Qualys, Crowdstrike, and Rapid7, enable TuxCare to fit seamlessly into existing infrastructure. The TuxCare secure patch server, ePortal, allows operations in gated and air-gapped environments. Reduce risk by significantly reducing the mean time to patch vulnerabilitiesStarting Price: $3.95 per month -
24
Cisco Duo
Cisco
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.Starting Price: $3 per user per month -
25
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 -
26
Paessler PRTG
Paessler GmbH
Paessler PRTG is an all-inclusive monitoring software solution developed by Paessler. Equipped with an easy-to-use, intuitive interface with a cutting-edge monitoring engine, PRTG optimizes connections and workloads as well as reduces operational costs by avoiding outages while saving time and controlling service level agreements (SLAs). The solution is packed with specialized monitoring features that include flexible alerting, cluster failover solution, distributed monitoring, in-depth reporting, maps and dashboards, and more. PRTG monitors your entire IT infrastructure. All important technologies are supported: • SNMP: ready-to-use and custom options • WMI and Windows Performance Counters • SSH: for Linux/Unix and macOS systems • Traffic analysis using flow protocols or packet sniffing • HTTP requests • REST APIs returning XML or JSON • Ping, SQL, and many moreStarting Price: $2149 for PRTG 500 -
27
Sematext Cloud
Sematext Group
Sematext Cloud is an innovative, unified platform with all-in-one solution for infrastructure monitoring, application performance monitoring, log management, real user monitoring, and synthetic monitoring to provide unified, real-time observability of your entire technology stack. It's used by organizations of all sizes and across a wide range of industries, with the goal of driving collaboration between engineering and business teams, reducing the time of root-cause analysis, understanding user behaviour and tracking key business metrics. The main capabilities range from log monitoring to APM, server monitoring, database monitoring, network monitoring, uptime monitoring, website monitoring or container monitoring Find complete details on our website. Or better: start a free demo, no email address required.Starting Price: $0 -
28
Gcore
Gcore
Edge cloud infrastructure with low latency around the world. Approved by game publishers and media. Store, deliver, and protect any content for your latency-sensitive services. Reduce capital and operating costs. Make your business more profitable and your customers happier. The best delivery speed in European countries. Advanced technology for content protection and secure delivery. Competitive flat prices around the world. Quickly delivers heavy games anywhere in the world. Reduces the burden on online entertainment servers at peak loads. Lowers infrastructure costs. We help online businesses around the world gain and maintain a competitive edge in their respective markets. At the heart of our advanced technological solutions is our own global infrastructure whose connectivity and performance we continuously improve.Starting Price: €0.00 per per month -
29
LastPass
LastPass
LastPass is a cloud-based password manager available on any system or device, ensuring credentials are protected, private, and always within reach. Simple to set up and effortless to use, LastPass delivers the world's most convenient password management experience for consumers and businesses of all sizes and technical requirements. Say goodbye to password fatigue by generating, sharing, accessing, and managing credentials at the click of a button, while preventing bad actors from accessing precious data and account logins. Businesses also utilize LastPass to consolidate their tech stacks or to fill access management gaps with native integrations for MS Entra, Okta, and other IdPs and IAMs. With over 100 customizable policies, flexible privileges, detailed reporting, MFA and passwordless authentication options, LastPass makes it easy for organizations with numerous logins and increasing security risks to standardize password management company wide.Starting Price: $4 per user per month -
30
LogMeIn Miradore
GoTo
Miradore is a cloud-based Mobile Device Management (MDM) platform that was acquired by GoTo in 2022. Miradore provides a smarter way to securely manage both company-owned and personal Android, iOS, macOS, and Windows devices. GoTo (Miradore) has been recognized as a Leader in the IDC MarketScape: Worldwide Unified Endpoint Management (UEM) Software for SMBs 2024 Vendor Assessment, for its ease of use, flexibility and strong multi-platform support for Android, Mac, iOS, and Windows devices. With Miradore, you can stay up to date with your device fleet, automate device management across multiple operating systems, distribute business-critical apps, and secure your company data. Getting started is simple and always free, and when needed, you can unlock additional features with the Premium or Premium+ plans. You can test all the features risk-free with a 14-day trial of the Premium+ plan. No credit card information is required.Starting Price: $3.30 per device/month
