Best Free Cybersecurity Software
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Compare the Top Free Cybersecurity Software as of December 2025
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What is Free Cybersecurity Software?
Cybersecurity software is a category of technology used to protect computers and networks from malicious attacks. It operates by monitoring activity and blocking suspicious activity, as well as providing advanced security features such as encryption and authentication. It's an important tool for businesses to help ensure the safety of their data and systems. Compare and read user reviews of the best Free Cybersecurity software currently available using the table below. This list is updated regularly.
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1
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 -
2
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. -
3
MyChat
Network Software Solutions
Secure instant messaging system with own server that can work in local area network and over the Internet. Providing collaboration tools for employee engagement. Built-in knowledge base, important notifications with return receipts, Bulletin board, broadcast messages, flexible server management, the system for user rights to access MyChat features, voice/video calls, screen sharing calls, Kanban project management, conferences, private dialogues, extended contact list, available for all platforms: Windows, macOS, Linux, Android, iOS, WEB.Starting Price: $6/per user/one-time -
4
GitGuardian
GitGuardian
GitGuardian is an end-to-end NHI security platform that empowers software-driven organizations to enhance their Non-Human Identity (NHI) security and comply with industry standards. With attackers increasingly targeting NHIs, such as service accounts and applications, GitGuardian integrates Secrets Security and NHI Governance. This dual approach enables the detection of compromised secrets across your dev environments while also managing non human identities and their secrets lifecycle. The platform supports over 450+ types of secrets, offers public monitoring for leaked data, and deploys honeytokens for added defense. Trusted by over 600,000 developers, GitGuardian is the choice of leading organizations like Snowflake, ING, BASF and Bouygues Telecom for robust secrets protection.Starting Price: $0 -
5
Threatcop
Threatcop
Threatcop is a cyber security simulator and awareness tool that launches dummy cyber attacks on employees followed with awareness modules and gamified assessment. It simulates and imparts customized awareness based on top 6 attack vectors namely Phishing, Ransomware, Vishing, SMiShing, Cyber Scam and Removable Media. It compares the pre and post cybersecurity awareness levels of employees and provides a comprehensive report on individual user awareness as 'Employee Vulnerability Score (EVS)'. The awareness videos, advisories, newsletters and gamified quiz are customized with respect to the EVS score, thus, ensuring cyber resilience. It is a complete suite for your employees' cyber security awareness. -
6
SafeDNS
SafeDNS
At SafeDNS, we are committed to creating a safer and more secure online environment for SMBs, enterprises, ISPs, MSPs, OEMs, and Education. We have a global footprint, making the internet safer for millions of users in over 60 countries. With years of experience in the field of cybersecurity and DNS filtering, we offer cutting-edge solutions to safeguard your digital life. At present, SafeDNS serves more than 4000 businesses and institutions, and tens of thousands of home users worldwide. We do: -Web content filtering. We help you block all dangerous or unwanted websites such as pornography, violence, child sexual abuse and similar categories. -Malware protection. We also have your back against malicious sites trying to breach user devices either with viruses or information theft intent. -Cloud service. Additionally, we provide you with a cloud filtering service that requires no additional hardware purchase or software installation.Starting Price: $0.9/user/month -
7
Malwarebytes
Malwarebytes
Crushes cyberthreats. Restores confidence. Traditional antivirus simply doesn't cut it anymore. Malwarebytes crushes the latest threats before others even recognize they exist. We block viruses, malware, malicious websites, ransomware, and hackers that traditional antivirus isn't smart enough to stop. Our cutting-edge protection and response solutions are used by organizations of all sizes around the world. Traditional antivirus fails because it’s slow to react to new threats. And, well, because it’s “dumb.” We use layers of technology like anomaly detection (a cool sort of artificial intelligence), behavior matching, and application hardening to crush malware that hasn’t even been seen before. Alright, so not really like traditional antivirus. Premium protection and privacy for your home computers and devices. Enterprise-grade protection and remediation for organizations large and small.Starting Price: $47.22 per user per year -
8
FlashStart
FlashStart Group Srl
FlashStart is a global, cloud-based cyber security platform that specializes in DNS filtering with the support of artificial intelligence. It protects against malware and unwanted contents by classifying domains into eighty-five categories, using machine learning with high predictive capability and incorporating government blacklists and warnings for high-risk sites. It offers global coverage, thanks to Anycast Network, which is among the fastest and most stable in the world. It presents advanced and exclusive features, like geographically based protection. Easy installation, centralized multi-tenant management, filter customization, and maximum cost-effectiveness make FlashStart the optimal cloud solution for businesses, PAs, schools, households, etc.Starting Price: $0.90/month -
9
CloudMounter
Eltima Software
CloudMounter is a must-have tool for laptop users with low-capacity SSD-drives. You can easily mount most popular clouds as disks without having to download online files on the hard drive. As well as secure cloud files with data encryption. Choose one of your Dropbox, Google Drive and OneDrive accounts and manage them in Finder for free.Starting Price: $44.99 -
10
Cybereason
Cybereason
Together we can end cyber attacks at the endpoint, across the enterprise, to everywhere the battle moves. Cybereason delivers over-the-horizon visibility and high fidelity convictions of both known and unknown threats so defenders can leverage the power of true prevention. Cybereason provides the deep context and correlations from across the whole of the network to uncover stealthy operations and enable defenders to be expert threat hunters. Cybereason significantly reduces the time required for defenders to investigate and resolve attacks through both automated and guided remediation with just a click of the mouse. Cybereason analyzes 80 million events per second - that’s 100x the volume of other solutions on the market. Reduce investigation time by as much as 93% to eliminate emerging threats in a matter of minutes rather than days. -
11
passbolt
passbolt
Finally, a password manager built for collaboration. Secure, flexible, and automation-ready. Trusted by 10,000 organizations, including Fortune 500 companies, newspapers, governments, and defense forces. Passbolt servers are designed to be simple to install and easy to manage. Yet they are enterprise-ready and can support complex setup for high availability. Passbolt can be used from your browser or mobile phone. Sharing happens in real-time. Desktop apps are coming soon. Retrieve, store and share passwords programmatically with the JSON API. Automate at scale with Passbolt CLI. Real-time access logs. Privacy is in our DNA, but also in the DNA of European laws (to make sure we don’t change our minds). Passbolt self-hosted source code comes under an AGPL license. Yes, even the commercial version. You are free to audit it, contribute to it, and redistribute it. This is why we have a healthy community of thousands of organizations in all sectors.Starting Price: €45/month/10 users -
12
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 -
13
Zivver
Zivver
Zivver is the effortless, smart, secure digital communications platform powering the next generation of secure digital communications. Trusted by over 5,000 organizations globally, Zivver prevents data leaks caused by human error and ensures compliance. Zivver seamlessly integrates with all major email clients including Gmail, Outlook, and Microsoft 365 and features unparalleled zero-keys encryption, with smart features such as contextual machine learning powered business rules. Zivver allows anyone to share large files up to 5TB securely via their existing email client. Zivver is fully compliant with all leading data security standards, including ISO 27001, NTA 7516, GDPR, HIPAA.Starting Price: 0.99€/month/user -
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Guardio
Guardio
Forget all about malware, phishing, and identity theft. Guardio is a lightweight extension designed to help you browse quickly and securely. It will clean your browser, speed it up, and protect your private information. How it works. Add in seconds. Remove threats. Browse as usual. Cleans the way you see the web. Removes malware, unwanted popups, and any other annoyances that ruin your day. Protects against online threats. Blocks phishing, malicious sites and scams that may result in identity theft or worse - so you can focus on what matters. Keeps your secrets secret. Be notified when personal data leaks publicly and fortify your accounts with security best practices. Under the hood. Dive deeper into the powerful technology powering Guardio. Safe web, Great technology. In order to effectively combat emerging threats from ever-evolving malicious actors, Guardio needs to stay on the bleeding edge of multiple technology disciplines. Machine Learning, Big Data, Cloud InfrastructureStarting Price: $9.99 per month -
15
InstaSafe
InstaSafe Technologies
InstaSafe is redefining the challenge of secure access to modern networks by leveraging Zero Trust principles with its security solutions, that ensure seamless access to cloud applications, SAP applications, on-premise data, IoT devices, and multiple other neoteric use cases. InstaSafe discards traditional VPN based conceptions of a network perimeter, instead moving the perimeter to the individual users and the devices they access. The Zero Trust approach followed by InstaSafe mandates a “never trust, always verify' approach to privileged access, without focusing on network locality. InstaSafe ZTAA relies on continuously assessing the trust and risk associated with every user, and the context of their access request, and simultaneously employs a system of comprehensive authentication before grnating least privilege access. By only making authorised applications accessible to the user, and not exposing the network to these users, ZTAA serves to negate the exploitable attacks surfaceStarting Price: $8/user/month -
16
Xeams
Synametrics Technologies
Xeams is, a secure and powerful complete mail server for Windows, Linux, Solaris, MacOSX and other flavors of UNIX. Xeams supports SMTP, POP3, and IMAP. It features a powerful spam filtering engine that eliminates up to 99% of junk email upon installation. The software offers a flexible approach to email, making it a very user-friendly server. Xeams can block 99% percent of all junk messages right out of the box. The filtering rules are fully customizable and get better as Xeams adapts to your email environment. IMAP and POP3 servers built right into the system to easily fetch emails from an email repository to a client's machine. Xeams can be used as an email firewall in front of another server, such as MS Exchange, or as a full email server requiring no other software to process emails. Use Xeams in front of your Office 365 infrastructure to gain additional filtering, reporting and archiving capabilities that you don't get with Office 365 alone.Starting Price: $20.00/year/user -
17
CyberSmart
CyberSmart
Protecting your organization and data is hard work - let us make it easier The CyberSmart app is easily deployed and allows you to get insights into the current security status of all your devices.It takes less than 60 seconds to scan for vulnerabilities and to identify non-conformities in line with Cyber Essentials including: - The operating system is up to date - Antivirus and firewall are installed - The device is securely configured We use technology to automate the search for weaknesses in your system, so you don’t have to do it.Smart software eliminates burdensome checklists. Available for Windows, Mac, Apple App Store and Android. Your cloud-based dashboard is used to manage compliance throughout your organization. You can add new team members, check the compliance status of individual devices and fix issues within the dashboard.Starting Price: $49 per user per month -
18
Scribe Security Trust Hub
Scribe Security
Scribe is a SaaS solution that provides continuous assurance for the security and trustworthiness of software artifacts, acting as a trust hub between software producers and consumers. Scribe centralized SBOM management system allows to effortlessly manage and share products SBOMs along with all their associated security aspects in a controlled and automated manner. SCRIBE KEY FEATURES: *Gain visibility and control the risk of all your products’ security aspects. *Trust but verify: streamline security guardrails to verify secure SDLC policy, based on trusted evidence. *Simplify secure SDLC processes, balancing responsibilities between dev and security teams. *Detect code tampering and software factory exploitations. *Enforce and demonstrate compliance with regulations and best practices. *Share SBOMs and security insights in a controlled manner with stakeholders.Starting Price: Free -
19
Zercurity
Zercurity
Bootstrap and build out your cybersecurity posture with Zercurity. Reduce the time and resources spent monitoring, managing, integrating, and navigating your organization through the different cybersecurity disciplines. Get clear data points you can actually use. Get an instant understanding of what your current IT infrastructure looks like. Assets, applications, packages, and devices are examined automatically. Let our sophisticated algorithms find and run queries across your assets. Automatically highlighting anomalies and vulnerabilities in real-time. Expose threats to your organization. Eliminate the risks. Automatic reporting and auditing cuts remediation time and supports handling. Unified security monitoring for your entire organization. Query your infrastructure like a database. Instant answers to your toughest questions. Measure your risk in real-time. Stop guessing where your cybersecurity risks lie. Get deep insights into every facet of your organization.Starting Price: $15.01 per month -
20
Bitdefender Ultimate Small Business Security
Bitdefender
Bitdefender Small Business Security delivers enterprise-grade, layered cyber-protection designed specifically for small organizations. It covers Windows, macOS, iOS, and Android devices with centralized, easy-to-use management, so businesses without a dedicated IT staff can deploy and monitor security from one dashboard. Key features include multi-layered endpoint protection (machine learning, behavioral analytics, real-time monitoring, process termination, and rollback) to prevent known and unknown threats. It offers ransomware prevention and mitigation (detecting abnormal encryption attempts and restoring files from backups), fileless attack protection (memory/back-injection interference, script blocking), phishing & fraud prevention (blocking deceptive sites and warning users), and advanced exploit protection (real-time shield of browsers, Office apps, Adobe Reader) for comprehensive endpoint defense.Starting Price: $188.99 per month -
21
WikiLocks
WikiLocks
WikiLocks works the way you do, within your most common applications. Simply select the data you wish to protect, assign access to individuals or groups, and distribute the newly protected document. The protection follows your document throughout its lifecycle, no matter how it is accessed, copied, pasted and attached.Starting Price: $40 -
22
BeyondTrust Password Safe
BeyondTrust
Discover, manage, audit, and monitor privileged accounts of all types. Scan, identify and profile all assets and applications with auto-onboarding of privileged accounts. Store, manage and rotate privileged account passwords, eliminating embedded credentials and ensuring password strength. Log and monitor all privileged credential activity and sessions for compliance and forensic review. Use Password Safe to get finely-tuned and automatic password management and privilege approval controls, detailed session management (including real-time monitoring), and all the audit trail information and forensics needed to meet compliance requirements. Automatically discover and onboard accounts. Store, manage and rotate privileged passwords, eliminating embedded credentials in scripts and code. Log and monitor all privileged credential activity and sessions for compliance and forensic review. -
23
Infocyte
Infocyte
The Infocyte Managed Detection and Response platform helps security teams proactively hunt, detect, and respond to cyber threats and vulnerabilities resident within their network—across physical, virtual, and serverless assets. Our MDR platform provides asset and application discovery, automated threat hunting, and on-demand incident response capabilities. Combined, these proactive cyber security practices help organizations control attacker dwell time, reduce overall cyber risk, maintain compliance, and streamline security operations. -
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Prelude
Prelude
Organizations of all sizes can use our tools to run continuous security tests against their systems to discover areas of weakness to fix. We do this in a way that's safe, transparent, and integrated with existing defensive tools to allow organizations to get ahead of real incidents, before they happen. Organizations of all sizes use Prelude to continuously test their defensive systems. For enterprises with security teams, Operator Enterprise offers continuous testing infrastructure, team collaboration and the ability to personalize attacks and agents to your organization. Are you an IT professional? Join our upskilling program to become an IT Security Engineer - bringing advanced security to your organization.Starting Price: $50 per month -
25
Cyguru
Cyguru
Cyguru offers an all-in-one proactive security solution, also featuring an open SOCaaS powered by an AI analyst for comprehensive threat detection and mitigation. Experience seamless security with our platform, offering both preventative and reactive measures in just a few clicks. We support Windows, Linux, Centos, and Syslogs, allowing you to monitor exactly what you need. Simply register, choose your monitoring preferences, and leverage our advanced ML and AI capabilities for an enhanced security experience. Our security operation center is the cornerstone of our service domain, yet we go beyond by offering a breadth of features unmatched in the market for both SMEs and large enterprises. Not only do we enhance product scalability, automation, and AI integration, but we also ensure it stands at the forefront of completeness and innovation. Our vigilant agents keep a constant watch on your infrastructure, operating systems, and services round the clock.Starting Price: €7.33 per month
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