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
Criminal IP
AI SPERA
Criminal IP is a comprehensive threat intelligence search engine that detects vulnerabilities of personal and corporate cyber assets in real time and facilitates preemptive responses accordingly. Originated from the idea that individuals and corporations would be able to strengthen their cyber security by proactively acquiring information about IP addresses attempting to access your network, Criminal IP uses its big data of more than 4.2 billion IP addresses to provide threat-relevant information on malicious IPs and links, phishing sites, certificates, industrial control systems, IoTs, servers, security cameras, and so forth. With Criminal IP’s 4 main features (Asset Search, Domain Search, Exploit Search, and Image Search), you can find IP risk scores and related vulnerabilities of searched IP addresses and domains, details on the exploit codes for each service, and assets that are left wide open to cyber threats in the form of images respectively.Starting Price: $0/month -
3
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 -
4
ManageEngine Endpoint Central
ManageEngine
ManageEngine Endpoint Central is built to secure the digital workplace while also giving IT teams complete control over their enterprise endpoints. It delivers a security-first approach by combining advanced endpoint protection with comprehensive management, allowing IT teams to manage the entire endpoint lifecycle, all from a single console. With automated patching across Windows, Mac, Linux and 1,000+ third-party applications, it ensures vulnerabilities are mitigated before attackers can exploit them. Its next-gen antivirus (NGAV) feature, powered by AI-driven behavioural detection, provides 24/7 protection against ransomware, malware, and zero-day threats. Endpoint Central further strengthens enterprise defenses with a broad set of security capabilities, including vulnerability assessment and mitigation, peripheral device control, data loss prevention, application control, endpoint privilege management, encryption with FileVault and BitLocker, and browser security.Starting Price: $795.00/one-time -
5
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 -
6
Auth0
Okta
Auth0 takes a modern approach to Identity, providing secure access to any application, for any user. Safeguarding billions of login transactions each month, Auth0 delivers convenience, privacy, and security so customers can focus on innovation. Auth0 is part of Okta, The World’s Identity Company™. Auth0 lets you quickly integrate authentication and authorization for web, mobile, and legacy applications, with new Fine Grained Authorization (FGA) that goes beyond role-based access control. Authenticate users across all applications with a customized, secure, and standards-based single login. Universal Login connects users to a central authorization server. Credentials aren’t transferred across sources, which boosts security and protects against phishing and credential stuffing attacks. OAuth 2.0 recommends that only external user agents (like the browser) be used by native applications for authentication flows. Auth0’s Universal Login achieves this while enabling SSO.Starting Price: Free plan -
7
groundcover
groundcover
Cloud-based observability solution that helps businesses track and manage workload and performance on a unified dashboard. Monitor everything you run in your cloud without compromising on cost, granularity, or scale. groundcover is a full stack cloud-native APM platform designed to make observability effortless so that you can focus on building world-class products. By leveraging our proprietary sensor, groundcover unlocks unprecedented granularity on all your applications, eliminating the need for costly code changes and development cycles to ensure monitoring continuity. 100% visibility, all the time. Cover your entire Kubernetes stack instantly, with no code changes using the superpowers of eBPF instrumentation. Take control of your data, all in-cloud. groundcover’s unique inCloud architecture keeps your data private, secured and under your control without ever leaving your cloud premises.Starting Price: $20/month/node -
8
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 -
9
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. -
10
ManageEngine OpManager
ManageEngine
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.Starting Price: $95.00/one-time -
11
GoAnywhere MFT
Fortra
GoAnywhere MFT provides secure managed file transfer for enterprises. Deployable on-premise, in the cloud, or in hybrid environments, GoAnywhere MFT software enables organizations to exchange data among employees, customers, and trading partners, as well as between systems, securely. GoAnywhere MFT was a recipient of the Cybersecurity Excellence Award for Secure File Transfer. -
12
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 -
13
myACI
ACI Learning
ACI Learning delivers hands-on IT and cybersecurity training built for modern teams. Expert-led videos, interactive labs, and certification prep for today’s top credentials turn knowledge into real-world skill. Whether you’re training a team or advancing your career, myACI makes it easy to learn, track progress, and see results that matter. This is online training with labs—not passive learning. From compliance and cloud to security and systems, ACI Learning helps professionals build confidence and capability. myACI offers role-based learning paths, video+lab combos, practice exams, and progress tracking. Managers get dashboards, credential tracking, and analytics that tie training to outcomes—with enterprise tools like SSO, LMS/LTI integration, SCORM support, and audit-ready reporting.Starting Price: $59/mo./user -
14
Safetica
Safetica
Safetica’s Intelligent Data Security protects sensitive data where teams work, using powerful AI to deliver contextual awareness, reduce false positives, and stop real threats without disrupting productivity. With Safetica, security teams can maintain visibility and control over sensitive data, stay ahead of insider risks, maintain compliance, and secure sensitive cloud-based data. ✔️ Data Protection: Classify, monitor and control sensitive data across devices and clouds in real time. ✔️ Insider Risk and User Behavior: Spot risky behavior, detect intent, and stop insider threats to stay ahead of the careless handling of sensitive data, compromised user accounts and malicious user activity. ✔️ Compliance and Data Discovery: Prove compliance with audit-ready reporting for data in use, in motion, and at rest. ✔️ Cloud Security: Protect Microsoft 365, cloud, and file-sharing platforms to secure sensitive cloud-based data. -
15
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 -
16
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. -
17
EasyDMARC
EasyDMARC
EasyDMARC is a B2B SaaS solution that makes email authentication simple for small, medium, and enterprise businesses. In short, we secure domain and email infrastructure, protecting you and your business from phishing (email spoofing) attacks and increasing email deliverability. EasyDMARC’s deliverability tool, EasySender, covers all the aspects of email deliverability. The variety of features on the platform cover email list verification, mailbox warmup, and inbox placement. With EasyDMARC, you can achieve the following: -Visibility to the business email environment -Business identity control -Operations and communication security -Email deliverability With offices in the US, Netherlands, and Armenia, the company delivers the most comprehensive products for anyone who strives to build the best possible defence for their email ecosystem. EasyDMARC ultimately provides peace -
18
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). -
19
KrakenD
KrakenD
KrakenD is a high-performance API Gateway optimized for resource efficiency, capable of managing 70,000 requests per second on a single instance. The stateless architecture allows for straightforward, linear scalability, eliminating the need for complex coordination or database maintenance. It supports various protocols and API specifications, with features like fine-grained access controls, data transformation, and caching. Unique to KrakenD is its ability to aggregate multiple API responses into one, streamlining client-side operations. Security-wise, KrakenD aligns with OWASP standards and doesn't store data, making compliance simpler. It offers a declarative configuration and integrates with third-party logging and metrics tools. With transparent pricing and an open-source option, KrakenD is a comprehensive API Gateway solution for organizations prioritizing performance and scalability. -
20
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 -
21
ManageEngine ADManager Plus
ManageEngine
ADManager Plus is a simple, easy-to-use Windows Active Directory (AD) management and reporting solution that helps AD administrators and help desk technicians in their day-to-day activities. With a centralized and intuitive web-based GUI, the software handles a variety of complex tasks like bulk management of user accounts and other AD objects, delegates role-based access to help desk technicians, and generates an exhaustive list of AD reports, some of which are an essential requirement to satisfy compliance audits. This Active Directory tool also offers mobile AD apps that empower AD admins and technicians to perform important user management tasks, on the move, right from their mobile devices. Create multiple users and groups in Office 365, manage licenses, create Exchange mailboxes, migrate mailboxes, set storage limits, add proxy addresses, and more.Starting Price: $595 per year -
22
ADAudit Plus helps keep your Windows Server ecosystem secure and compliant by providing full visibility into all activities. ADAudit Plus provides a clear picture of all changes made to your AD resources including AD objects and their attributes, group policy, and more. AD auditing helps detect and respond to insider threat, privilege misuse, and other indicators of compromise, and in short, strengthens your organization's security posture. Gain granular visibility into everything that resides in AD, including objects such as users, computers, groups, OUs, GPOs, schema, and sites, along with their attributes. Audit user management actions including creation, deletion, password resets, and permission changes, along with details on who did what, when, and from where. Keep track of when users are added or removed from security and distribution groups to ensure that users have the bare minimum privileges.Starting Price: $595.00/year
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23
ManageEngine Log360
Zoho
Detect, investigate, and resolve security incidents and threats using a single, scalable SIEM solution. Log360 provides you with actionable insights and analytics-driven intelligence for real-time security monitoring, advanced threat detection, incident management, and behavioral analytics-based anomaly detection. Built as the bedrock for your SOC, ManageEngine Log360 comes with out-of-the-box correlation and workflow rules, dashboards, reports, and alert profiles to help you address vital security issues with little manual intervention. -
24
ManageEngine ADSelfService Plus
ManageEngine
ADSelfService Plus is an on-premises access management solution that caters to businesses across various industries, such as IT, banking, engineering, education, aviation, and telecommunications. Key features include: 1. Self-service password resets and account unlocks: Users can reset their passwords in AD and unlock their domain accounts from a web browser. 2. MFA: Machine logins, VPN and OWA logins, and cloud app logins can be secured using MFA. 3. Password synchronizer and SSO: Users can log in to multiple apps using one unified identity via SSO and real-time password synchronization. 4. Password policy enforcer: Admins can configure custom password policies to enforce strong password creation. 5. Password expiration notifier: Admins can send end users password expiration notifications via SMS or email. 6. Directory self-update: Users can update their AD attribute information through the directory self-update feature.Starting Price: $595 for 500 domain users/year -
25
ManageEngine EventLog Analyzer
ManageEngine
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 -
26
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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Curtain LogTrace File Activity Monitoring
Coworkshop Solutions
Curtain LogTrace File Activity Monitoring is an enterprise file activity monitoring solution. It tracks user actions: create, copy, move, delete, rename, print, open, close, save. Includes source/destination paths and disk type. Perfect for monitoring user file activities. Key features: - File log (create & delete file) - File log (copy & move file) - File log (print & rename file) - App log (save, open & close file) - Support MySQL & MS SQL - Watermark for printout - Central administration - Integration with Active Directory - Uninstall password for client - Password management - Admin delegation - Self protection for the software Licensing: Curtain LogTrace is shareware. You can download and use the software for free on a trial basis or commercial use. If you want to log more file events (e.g. print, rename, save, open and close) and some advanced features, you need to activate the software to paid version.Starting Price: Free with limited functions -
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Curtain MonGuard Screen Watermark
Coworkshop Solutions
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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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 -
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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
