Best Free Cybersecurity Software
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Compare the Top Free Cybersecurity Software as of October 2026
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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
Endpoint Central embeds enterprise-grade cybersecurity capabilities directly into the endpoint management platform giving IT and security teams unified visibility and control without requiring separate security tools or additional licensing. Vulnerability assessment continuously identifies and prioritizes endpoint weaknesses by severity, while application control, device control, and endpoint privilege management collectively reduce the attack surface across every managed device. EDR delivers continuous behavioral threat detection and accelerated incident response, while NGAV and anti-ransomware protection blocks malware, ransomware, and zero-day threats before execution. BitLocker and FileVault encryption management enforces disk encryption across Windows and macOS, browser security reduces web-based exposure, and private access provides secure, identity-based remote connectivity delivering a comprehensive, layered cybersecurity posture from a single centralized console.Starting Price: $1.09/endpoint/month -
2
Graylog
Graylog
Graylog is an AI-powered SIEM and log management platform built for real-world security teams. It centralizes logs and security data across cloud, on-prem, and hybrid environments to help teams detect threats faster, investigate smarter, and control data costs—without vendor lock-in. Graylog combines scalable log management with practical, explainable AI to reduce alert noise, prioritize real risk, and guide investigations from alert to resolution. Selective ingestion and intelligent data tiering keep SIEM costs predictable, while built-in detections, correlation, threat intelligence, and guided workflows help lean teams operate efficiently. With flexible deployment, open integrations, and solutions for Security Operations, IT Operations, and API Security, Graylog gives organizations clear visibility, faster response, and full control over their data—without unnecessary complexity.Starting Price: $1250/month -
3
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. -
4
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. -
5
MyChat
Network Software Solutions
MyChat is a self-hosted corporate messenger for teams that need private communication, LAN/on-premise deployment, file sharing, calls, task boards, forums, integrations, and admin control without moving company conversations to a public cloud.Starting Price: $8/per user/one-time -
6
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 -
7
FileWall
Odix
odix - a market leader in Enterprise CDR (Content Disarm and Reconstruction), is now offering FileWall, a native cybersecurity application for Microsoft Office 365 mailboxes for SMEs. FileWall™ is designed to run in conjunction with existing Microsoft security solutions such as EOP and ATP, ensuring complete prevention against unknown attacks delivered via email attachments. FileWall™ doesn’t harm/change any of Microsoft sender related security capabilities.Starting Price: $1 per user, per month -
8
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. -
9
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 -
10
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 -
11
SafeInstinct
Reliant Strategic Advisors
SafeInstinct is cybersecurity awareness training that turns security and privacy requirements into practical habits your team can use the same day. Instead of generic once-a-year courses, short 15-30 minute modules cover the threats employees actually face: phishing, business email compromise and payment fraud, data handling and classification, access and least privilege, and GDPR + CCPA readiness. New modules are added at no extra cost. The Adaptive Risk-Based plan personalizes training automatically: a lightweight agent reports the apps each employee uses, and AI tailors their training path to that real risk profile, adapting as new signals appear. Admins can also generate custom trainings from a prompt to match internal policies. An admin dashboard tracks assignments, due dates, completion and scores, with owner, admin and employee roles. Pricing is per user, billed annually, with all training modules included and per-user rates dropping as seats grow.Starting Price: $1.45/month/user -
12
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 -
13
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 -
14
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. -
15
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 -
16
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 -
17
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 -
18
Swascan
Swascan
It runs the scan of web sites and web applications to spot and analyze in a proactive way security vulnerabilities. The Network Scanner spots and identifies network vulnerabilities and helps you fixing them. It runs the source code analysis to highlight and solve weak spots and security vulnerabilities. The online tool that makes you evaluate the Compliance level of your company in terms of GDPR. Create a unique learning opportunity for your employees and avoid the more and more frequent phishing attacks. Consultancy activity to support companies with management, control and risk evaluation. Ransomware has been confirmed to be the threat par excellence in the global cybersecurity landscape also in Q3 of 2022. In this Webinar Swascan, Pierguido Iezzi CEO of Swascan, will show you more about the data collected, concerning the victims of the 15 Ransomware gangs active in the third quarter of 2022. -
19
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 -
20
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 -
21
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 -
22
OPSWAT MetaDefender
OPSWAT
MetaDefender layers an array of market-leading technologies to protect critical IT and OT environments and shrinks the overall attack surface by detecting and preventing sophisticated known and unknown file-borne threats like advanced evasive malware, zero-day attacks, APTs (advanced persistent threats), and more. MetaDefender easily integrates with existing cybersecurity solutions at every layer of your organization’s infrastructure. With flexible deployment options purpose-built for your specific use case, MetaDefender ensures files entering, being stored on, and exiting your environment are safe—from the plant floor to the cloud. This solution uses a range of technologies to help your organization develop a comprehensive threat prevention strategy. MetaDefender protects organizations from advanced cybersecurity threats in data that originates from a variety of sources, such as web, email, portable media devices, and endpoints.Starting Price: $0 -
23
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 -
24
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 -
25
VORXOC
Helxon
VorXOC by Helxon is a unified SOC platform designed to simplify and strengthen modern cybersecurity operations. The platform centralizes security monitoring, threat detection, incident response, and security analytics into a single dashboard, helping organizations reduce alert fatigue and improve response efficiency. VorXOC integrates with cloud platforms, SIEMs, firewalls, endpoint security tools, and other security solutions to provide real-time visibility across IT environments. The platform supports threat hunting, automated workflows, security monitoring, and advanced analytics for modern enterprises and managed security operations teams.Starting Price: $500/month -
26
WebDefender
Cobweb Security
WebDefender is a multi-feature security plugin for WordPress websites. It performs monitoring, protection, malware detection, and cleaning of your website. We offer three pricing plans for our clients, free, professional, and premium. Choose the one that suits your business activities most. The WebDefender PHP antivirus scanner can easily be installed on any website built on PHP. This antivirus serves for security monitoring and detecting malware and vulnerabilities. All detected drawbacks and malicious software will be removed with the help of our cleanup tool. An all-in-one antivirus Platform for Linux type Web Servers provides monitoring, malware detection and removal. It features a user-friendly cleaning tool that clears away all detected malicious codes from the server. The Antivirus has a SaaS control panel for multiple servers. This professional version includes all the features of WebDefender Security & Protection with a number of extra options.Starting Price: $6.90 per month -
27
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 -
28
Instance Resolve
Famteck
Descriptive analytics (Prepares and analyzes historical data while identifying patterns from samples for reporting of trends). Predictive analytics (Finds relationships in data that may not be readily apparent with descriptive analysis). Reduces timeline to deliver critical information for security and compliance audits. Automate Database Health Check that measure performance over time with drill-down capacities to find the root cause of the problem. -
29
gpg4o
Giegerich & Partner
Preserve the privacy of your electronic correspondence. Send confidential email in Microsoft® Outlook® 2010/2013/2016 safely once and for all with gpg4o®, developed by Giegerich & Partner, based on OpenPGP, one of the most widely used and safest cryptographic techniques worldwide. gpg4o® is suitable both for private and enterprise use. gpg4o® by Giegerich & Partner guarantees the privacy of your electronic correspondence by mail encryption. gpg4o® enables the integration of one of the most widely used and safest email encryption systems into Microsoft® Outlook® 2010, Microsoft® Outlook® 2013, Microfost Outlook 2016 and for Microsoft® Outlook® 2019. Easy installation and an intuitive user experience help you preserve the privacy of your email. With the gpg4o® product maintenance, you will always get the latest features for more security and even better user experience.Starting Price: $93 one-time payment -
30
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.
