Best Free IT Security Software
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Compare the Top Free IT Security Software as of June 2025
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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
Blumira
Blumira
Empower Your Current Team to Achieve Enterprise-Level IT Security An all-in-one IT Security solution with SIEM, endpoint visibility, 24/7 monitoring, and automated response to reduce complexity, increase visibility and speed up time to respond. We handle the security heavy lifting, so you get time back in your day. With out-of-the-box detections, pre-filtered alerts, and response playbooks, your team can achieve real IT security value with Blumira. Quick Deployment, Immediate Results: Integrates with your tech stack and fully deploy, with no warm-up period, in hours All-You-Can-Eat Data Ingest: Predictable pricing and with unlimited data logging for full-lifecycle detection Compliance Made Easy: 1 year data retention included, pre-built reports, and 24/7 automated monitoring 99.7% CSAT Support: Solution Architects for product support, the Incident Detection and Response Team creating new detections, and 24/7 SecOps supportStarting Price: Free -
2
OpenVPN
OpenVPN
IT admins & managers love Access Server - OpenVPN can help make network security and secure remote access easier — whether you have years of experience as an IT Admin or are just beginning your career. If you’re a Linux person, Access Server is for you. Access Server is an easy to deploy, cost-effective way to bolster your network security in a self-hosted environment.Starting Price: Free Up to 3 Users -
3
CLEAR
Quantum Knight
The CLEAR™ Cryptosystem is a FIPS-140-3 Validated programmable state-of-the-art encryption SDK for securing files, streaming video, databases, and networks. Compatible with all types of modern computer platforms, CLEAR™ is an easy to integrate, turn-key tool for boosting existing cybersecurity with Post Quantum (PQC) strength. Apply CLEAR™ Cryptosystem anywhere you want to secure data in your own digital ecosystem. CLEAR™ is a single file with a smaller footprint than a single image on a smart phone. It can be deployed online or offline and works on more than 30 types of modern operating systems and embedded equipment. Designed for maximum efficiency and simplicity, CLEAR can dramatically reduce energy usage at scale, relative to other legacy cryptography.Starting Price: Free -
4
ManageEngine Endpoint Central
ManageEngine
ManageEngine's Endpoint Central (formerly Desktop Central) is a Unified Endpoint Management Solution, that takes care of enterprise mobility management (including all features of mobile application management and mobile device management), as well as client management for a diversified range of endpoints - mobile devices, laptops, computers, tablets, server machines etc. With ManageEngine Endpoint Central, users can automate their regular desktop management routines like distributing software, installing patches, managing IT assets, imaging and deploying OS, and more.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
Google Chrome Enterprise
Google
Chrome Enterprise incorporates multiple advanced security layers, making it an integral part of enterprise IT security strategies. From sandboxing and site isolation to real-time Safe Browsing alerts, Chrome protects users against a wide array of web threats, including malware, ransomware, and phishing. Its security policies can be tightly controlled and customized through the Admin console, allowing organizations to enforce strict browsing rules, restrict extensions, and maintain compliance with internal and regulatory requirements. Chrome’s security features also integrate with endpoint protection and identity management solutions for comprehensive defense. This layered security approach helps organizations stay ahead of evolving threats while maintaining operational agility. It also simplifies compliance with standards such as GDPR, HIPAA, and others.Starting Price: Free -
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) - Automated Compliance Aikido’s 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, and more.Starting Price: Free -
9
Control D
Control D
Control D is a customizable DNS filtering and traffic redirection platform that leverages Secure DNS protocols like DNS-over-HTTPS, DNS-over-TLS and DNS-over-QUIC, with support for Legacy DNS. - Block malicious threats - Block unwanted types of content network wide (ads & trackers, IoT telemetry, adult content, socials, and more) - Deploy in minutes on fleets of devices using RMM - Manage clients using sub-organizations - Gain visibility on network events and usage patterns, with client level granularity - Re-route traffic via proxies (through DNS) for improved privacy and security - Enjoy superior UX and simplicity Think of it as your personal Authoritative DNS resolver for the entire Internet that gives you granular control over what domains get resolved, redirected or blocked.Starting Price: $2/month -
10
Action1
Action1
Action1 is an autonomous endpoint management platform that is 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 - AEM’s foundational use case - through peer-to-peer patch distribution and real-time vulnerability assessment without needing a VPN, it eliminates costly, time-consuming routine labor, preempts ransomware and security risks, and protects the digital employee experience. Trusted by thousands of enterprises managing millions of endpoints globally, Action1 is certified for SOC 2 and ISO 27001. The company is founder-led by industry veterans Alex Vovk and Mike Walters, American entrepreneurs who founded Netwrix, which has grown into a multibillion-dollar industry-leading cybersecurity company.Starting Price: $0 USD/per device/per month -
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
Unimus
NetCore j.s.a. (Unimus)
Unimus is a powerful, on-premise Network Automation and Configuration Management (NCM) solution designed for fast deployment and ease of use. As one of the most versatile NCM solutions available, it simplifies network management with features such as: 🔹 Disaster Recovery – Automated configuration backups ensure business continuity. 🔹 Change Management – Detect, review, and audit configuration changes with real-time notifications. 🔹 Configuration Auditing – Instantly search and validate configurations & run-time state across your entire network. 🔹 Network Automation – Push large-scale configuration changes or perform firmware upgrades in minutes. 🔹 Integrated Device CLI – Access device terminals directly within Unimus. Supporting 400+ device types across 150+ vendors, Unimus is a complete network-agnostic NCM solution that eliminates manual errors, enhances security, and accelerates network operations—without requiring programming expertise.Starting Price: $5.90 per device per year -
13
Plaid
Plaid
Plaid is a global data network that powers the tools millions of people rely on to live a healthier financial life. Our ambition is to facilitate a more inclusive, competitive, and mutually beneficial financial system by simplifying payments, revolutionizing lending, and leading the fight against fraud. Plaid works with over 12,000 companies including fintechs like Venmo and SoFi, several of the Fortune 500, and many of the largest banks to empower people with more choice and control over how they manage their money. Headquartered in San Francisco, Plaid’s network spans over 12,000 institutions across the US, Canada, UK and Europe.Starting Price: Free -
14
Safetica
Safetica
Safetica Intelligent Data Security protects sensitive enterprise data wherever your team uses it. With advanced data discovery, context-aware classification, proactive threat prevention and adaptive security, Safetica provides comprehensive visibility and control over your data. ✔️ Discover what to protect: Precisely locate personally identifiable information, intellectual property, financials, and more wherever it is used across the enterprise, cloud, and endpoint devices. ✔️ Prevent threats: Understand and mitigate risky behavior with automatic detection of suspicious file access, email communication and web browsing. Get the alerts you need to proactively uncover risk and prevent data breaches. ✔️ Keep your data safe: Intercept unauthorized exposure of sensitive personal data, trade secrets and intellectual property. ✔️ Work smarter: Help teams work, with in-moment data handling cues as they access and share sensitive information. -
15
Thinfinity Workspace
Cybele Software, Inc.
Thinfinity® Workspace 7 is a comprehensive, secure platform that offers a zero-trust approach, enabling secure and contextual access to corporate virtual desktops, virtual applications, internal web apps, SaaS, and files, whether they are on Windows, Linux, or mainframes. It supports various deployment models, including cloud, on-premise, and hybrid settings, and can be deployed on any cloud provider of your choice. With its proprietary reverse gateway technology, Thinfinity® Remote Workspace 7 ensures secure reverse connections over SSL with TLS 1.3 encryption. This robust approach doesn't require client-side installations, firewall modifications, or the opening of inbound ports on your network, thereby enhancing the security infrastructure of your business. The platform ensures all browser-based connections are secured over HTTPS, offering a wide variety of authentication options, from straightforward User/Password to sophisticated Active Directory authentication. -
16
Air
Air.inc
Centralize your team's content in a workspace that's organized, versioned, and easy to share. Sure, Air stores your content. But it also has smart search, guest permissions, custom layouts, version tracking, and hassle-free sharing that makes every part of the creative process easier and more enjoyable. Stop hiding your assets in folders and zip files. Plan social media posts, create lightweight presentations, and organize your content in a workspace that reflects your brand. Navigate your workspace like a search engine. Built-in features like image recognition and smart tags enable anyone on your team to jump in and locate assets all by themselves. Now the only painful part of the feedback cycle is the feedback. Create public boards and allow guests to upload directly into your workspace. Leave comments, have discussions, and make selects with context. Track new changes and clearly identify the latest asset version.Starting Price: $250 per month -
17
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 -
18
Psono
esaqa GmbH
Psono is a self-hosted, open-source password manager designed to safeguard your data. It encrypts and stores your credentials, ensuring only you have access. You can also securely share encrypted access with your team. With a rich set of features, Psono makes data management and password retrieval simpler than ever. Its robust security includes client-side encryption for genuine end-to-end password sharing, supplemented by SSL and storage encryption. The entire code is open for transparent public auditing, emphasizing that true security lies in proper encryption rather than concealing flaws. Hosting Psono on your server offers enhanced access control, eliminating the need to depend on public services for data storage. Psono stands out as one of the most secure password managers, prioritizing the online safety of its users on their servers.Starting Price: Free -
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
Kasm Workspaces
Kasm Technologies
Kasm Workspaces streams your workplace environment directly to your web browser…on any device and from any location. Kasm uses our high-performance streaming and secure isolation technology to provide web-native Desktop as a Service (DaaS), application streaming, and secure/private web browsing. Kasm is not just a service; it is a highly configurable platform with a robust developer API and devops-enabled workflows that can be customized for your use-case, at any scale. Workspaces can be deployed in the cloud (Public or Private), on-premise (Including Air-Gapped Networks or your Homelab), or in a hybrid configuration.Starting Price: $0 Free Community Edition -
21
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 -
22
Uptrends
Uptrends
ITRS Uptrends helps organizations achieve 24x7 reliability and performance for web services (websites, SaaS, APIs), so mission-critical transactions work from anywhere, anytime. ITRS Uptrends’ intuitive no-code/low-code transaction recorder simplifies the monitoring setup, driving rapid time-to-value even across multi-vendor/domain business services. We continuously monitor multistep user journeys from 368 nodes in 67 countries to provide full visibility beyond uptime. Alongside synthetic monitoring, our real user monitoring captures service usage and adoption to show IT's business impact. Integrating with our real-time observability portfolio, ITRS Uptrends offers end-to-end visibility of business services across hybrid infrastructures. As a SaaS solution, ITRS Uptrends is deployment-free unless private checkpoints are required to monitor from within a corporate network.Starting Price: $17.50/month -
23
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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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 -
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 -
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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 -
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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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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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Cribl Stream
Cribl
Cribl Stream allows you to implement an observability pipeline which helps you parse, restructure, and enrich data in flight - before you pay to analyze it. Get the right data, where you want, in the formats you need. Route data to the best tool for the job - or all the tools for the job - by translating and formatting data into any tooling schema you require. Let different departments choose different analytics environments without having to deploy new agents or forwarders. As much as 50% of log and metric data goes unused – null fields, duplicate data, and fields that offer zero analytical value. With Cribl Stream, you can trim wasted data streams and analyze only what you need. Cribl Stream is the best way to get multiple data formats into the tools you trust for your Security and IT efforts. Use the Cribl Stream universal receiver to collect from any machine data source - and even to schedule batch collection from REST APIs, Kinesis Firehose, Raw HTTP, and Microsoft Office 365 APIsStarting Price: Free (1TB / Day) -
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ProHoster
ProHoster
ProHoster.Info - Hosting is a service to provide resources for publishing information on a server, which is always on the Internet. The websites are hosted and stored on our servers which provide with the necessary technology in order to view the website on the internet. By purchasing the website hosting from us, you are also provided with a free domain name, DDoS protection, and an SSL certificate. Fast and reliable unlimited hosting with DDOS protection and free chips, such as the website builder, SSL certificate, and domain. For projects, where regular hosting is not enough, and you need a larger amount of resources and functionality. Virtualization such as KVM and OVZ is available. An excellent solution for non-standard projects with increased requirements for power and full root access. Professional DDoS protection against any type of attack. Immediate response and display of the threats. Huge channel handling capacity.Starting Price: $2.50 per month