Best Free Cybersecurity Software
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Compare the Top Free Cybersecurity Software as of January 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
Google Cloud Platform
Google
Google Cloud Platform provides a comprehensive suite of cybersecurity services to protect cloud resources, including encryption, identity management, and real-time threat detection. With tools like Google Cloud Armor for DDoS protection and Cloud Security Command Center for security insights, GCP ensures that businesses can safeguard their data and infrastructure. New customers get $300 in free credits to run, test, and deploy workloads, giving them the opportunity to evaluate GCP's security features and ensure robust protection for their applications. GCP’s security tools are designed to protect sensitive data across all layers of the cloud, from data storage to application deployment. Furthermore, Google’s multi-layered approach to security provides proactive defense, which includes automatic security patching, vulnerability scanning, and access control management.Starting Price: Free ($300 in free credits) -
2
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 -
3
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. -
4
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 -
5
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 -
6
ZeroPath
ZeroPath
ZeroPath (YC S24) is an AI-native application security platform that delivers comprehensive code protection beyond traditional SAST. Founded by security engineers from Tesla and Google, ZeroPath combines large language models with advanced program analysis to find and automatically fix vulnerabilities. ZeroPath provides complete security coverage: 1. AI-powered SAST for business logic flaws & broken authentication 2. SCA with reachability analysis 3. Secrets detection and validation 4. Infrastructure as Code 5. Automated patch generation. any more... ZeroPath delivers 2x more real vulnerabilities with 75% fewer false positives. Our research team has been successful in finding vulns like critical account takeover in better-auth (CVE-2025-61928, 300k+ weekly downloads), identifying 170+ verified bugs in curl, and discovering 0-days in production systems at Netflix, Hulu, and Salesforce. Trusted by 750+ companies and performing 200k+ code scans monthly.Starting Price: Free -
7
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. -
8
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 -
9
KernelCare Enterprise
TuxCare
Global organizations trust TuxCare for live patching their critical Linux hosts and OT devices across their hybrid multi-cloud environments. No reboot is required to deploy and enable the TuxCare KernelCare Enterprise solutions to live patch Linux kernels and critical system libraries, including OpenSSL and Glibc. In contrast, all hosts and devices maintain the current production level uptime while receiving all security updates. TuxCare automates the patching process and eliminates the need to wait weeks or months for reboot cycles to apply patches. TuxCare currently protects over 1 million workloads worldwide. Tight integrations with popular patch management and vulnerability scanners, including Qualys, Crowdstrike, and Rapid7, enable TuxCare to fit seamlessly into existing infrastructure. The TuxCare secure patch server, ePortal, allows operations in gated and air-gapped environments. Reduce risk by significantly reducing the mean time to patch vulnerabilitiesStarting Price: $3.95 per month -
10
Verosint
Verosint
Verosint's Threat Detection, Investigation and Response platform provides real-time, intelligent ITDR for both workforce and customer identities. -Fastest MTTD & MTTR: Detect and respond to Identity based threats faster than anyone else in the industry -Detect Advanced Threats: Spot session hijacking, credential stuffing, account takeovers and more -Investigate Efficiently: Our customers say investigating incidents has gone from days to minutes with our AI Insights, unparalleled visibility and intelligence -Remediate Quickly: Automatically resolve identity threats with our integrated remediation playbooks -Easy to Deploy: Deploys in 60 minutes or lessStarting Price: $1/user/month -
11
Hoxhunt
Hoxhunt
Hoxhunt is a Human Risk Management platform that goes beyond security awareness to drive behavior change and (measurably) lower risk. Hoxhunt combines AI and behavioral science to create individualized micro-training experiences users love, so employees learn to detect and report advanced phishing attacks. Automated incident remediation helps operations teams respond fast with limited resources. Security leaders gain outcome-driven metrics to document reduced cybersecurity risk. Hoxhunt works with leading global companies such as Airbus, IGT, DocuSign, Nokia, AES, Avanade, and Kärcher, and partners with leading global cybersecurity companies such as Microsoft and Deloitte. -
12
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 -
13
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 -
14
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. -
15
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 -
16
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 -
17
Kloudle
Kloudle
Kloudle is a blazing fast cloud security scanner. Built for solo developers, small teams it makes the job of cloud security effortless. By following the approach of SCAN → FIX → AUTOMATE. Everything you need to keep your cloud secure, so that you can get back to focussing on building and shipping what you love. Scan your cloud accounts (AWS, Google Cloud, Digitalocean, Azure), cloud servers (Linux), Kubernetes clusters (Managed - EKS, GKE, AKS, DOKS or Self-hosted). All of this and more without breaking the bank. Simple pricing with a pay as you go model. Buy credits and use them for security scans, downloading custom reports. Every user gets 5 free SuperFast scans. There is no time limit on these. You can scan the configuration of cloud virtual machines (EC2 in AWS) and object stores (S3 buckets in AWS). After utilizing your 5 free scans, you will need to purchase credits to continue running security scans. There are no subscriptions or long-term commitments required.Starting Price: $30 per credit -
18
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 -
19
Wing Security
Wing Security
Wing empowers organizations to harness the full potential of SaaS while ensuring a robust security posture. In addition to a free version that provides a list of an organization's SaaS inventory, with insightful details regarding application usage and user information, Wing’s complete SSPM solution offers unparalleled visibility, control, and compliance capabilities, strengthening any organization's defense against modern SaaS-related threats. With Wing’s automated security capabilities, CISOs, security teams, and IT professionals save weeks of work previously spent on manual and error-prone processes. Trusted by hundreds of global companies, Wing provides actionable security insights derived from our industry-leading SaaS application database, covering over 280,000 SaaS vendors. This results in the safest and most efficient way to leverage SaaS.Starting Price: Free -
20
Quixxi
Quixxi Security
Quixxi is a leading provider of mobile app security solutions that empowers enterprises and security professionals to secure their mobile applications. Quixxi is proud to be the only provider of a patented and proprietary mobile app security solution. Our services includes SCAN, SHIELD, and SUPERVISE. SCAN (SAST/DAST/WebAPI) is a comprehensive application vulnerability assessment tool that automates and integrates with the development process, providing full explanations and recommendations to identify and fix vulnerabilities. SHIELD (RASP), on the other hand, is an application shielding tool that provides baseline security controls to protect the intellectual property in mobile apps and shield them against malicious attacks by third parties with one click. SUPERVISE is a runtime application monitoring tool that enables remote disabling, messaging, security logs, and customer analytics for better app management.Starting Price: $29 for One-Off plan -
21
Splunk Enterprise
Cisco
Splunk Enterprise is a powerful platform that turns data into actionable insights across security, IT, and business operations. It enables organizations to search, analyze, and visualize data from virtually any source, providing a unified view across edge, cloud, and hybrid environments. With real-time monitoring, alerts, and dashboards, teams can detect issues quickly and act decisively. Splunk AI and machine learning features predict problems before they happen, improving resilience and decision-making. The platform scales to handle terabytes of data and integrates with thousands of apps, making it a flexible solution for enterprises of all sizes. Trusted by leading organizations worldwide, Splunk helps teams move from visibility to action. -
22
IPQualityScore
IPQualityScore
IPQualityScore's suite of fraud prevention tools automate quality control to prevent bots, fake accounts, fraudsters, chargebacks, & malicious users without interrupting the user experience. Detect bad actors and block cyber threats with industry leading IP reputation data and user validation. Proactively Prevent Fraud™ for less headaches and smoother operations.Starting Price: $49.99 per month -
23
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 -
24
Defendify
Defendify
Founded in 2017, Defendify is pioneering All-In-One Cybersecurity® for organizations with growing security needs, backed by experts offering ongoing guidance and support. Delivering multiple layers of protection, Defendify provides an easy-to-use platform designed to strengthen cybersecurity across people, process, and technology, continuously. Defendify streamlines cybersecurity assessments, testing, policies, training, detection, response, and containment in one consolidated and cost-effective cybersecurity solution. 3 layers, 13 solutions, 1 platform, including: • Managed Detection & Response • Cyber Incident Response Plan • Cybersecurity Threat Alerts • Phishing Simulations • Cybersecurity Awareness Training • Cybersecurity Awareness Videos • Cybersecurity Awareness Posters & Graphics • Technology Acceptable Use Policy • Cybersecurity Risk Assessments • Penetration Testing • Vulnerability Scanning • Compromised Password Scanning • Website Security ScanningStarting Price: $0 -
25
Push Security
Push Security
Map out your entire cloud identity attack surface and harden it against identity-based attacks. Push is a vulnerability scanner for your cloud identities. Push uses a lightweight browser extension to give you real-time visibility of all your employees’ cloud identities and the vulnerabilities putting your business at risk. - Get real-time visibility of all your cloud identities, apps and integrations. - Onboard unmanaged apps to SSO. Detect and harden non-SSO identities. - Find and secure vulnerable identities. Prevent your employees creating insecure identities. - Uncover shadow SaaS apps and accounts. Limit SaaS sprawl and reduce supply chain risk. - Improve employee security awareness by equipping them to self-remediate security issues. Try it for free today.Starting Price: $5 per employee per month -
26
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 -
27
Coro
Coro Cybersecurity
Coro puts an end to the security tool sprawl and to the constant worry that things have been overlooked. No need to check everything 10 times a day. Coro will take care of the ongoing security, and will alert you only when you need to take action. Coro analyses the threats to your entire business, takes action to eliminate the risk, and guides you on what to do next to improve your security posture. Coro is the central control point for sensitive data, practice data, and user activity, enabling you to enforce a wide range of security, compliance and governance policies. We scan every email for phishing, malware, ransomware and automatically eliminate threats. We automatically identify and block insider threats, accounts hacking, and malicious activities. We scan every file and email, or any data share for PII/PCI/PHI, and prevent confidential information leakage.Starting Price: $8.99 per user per month -
28
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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Cequence Security
Cequence Security
Start analyzing and protecting your APIs with passive, inline or API-based integration with any existing network component – API gateway, proxy, CDN or ingress controller. Predefined policies, fine-tuned using threat patterns observed in protecting billions of API transactions per day delivers unmatched, out-of-the-box protection. A rich user interface and an open, API-based architecture enables integration with threat intelligence feeds, CI/CD framework tools, other security components, and SIEM/SOAR/XDR solutions. Patented ML-based analysis eliminates JavaScript and SDK integration pen-alties such as extended development cycles, slow page loads and forced mobile-app upgrades. ML-based analysis generates a unique Behavioral Fingerprint to determine malicious intent and continually tracks attackers as they retool. -
30
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.
