Compare the Top Free Cybersecurity Software as of December 2025

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.

  • 1
    Criminal IP

    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.
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    Starting Price: $0/month
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  • 2
    FileWall
    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.
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    Starting Price: $1 per user, per month
  • 3
    Threatcop

    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.
  • 4
    SafeDNS

    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.
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    Starting Price: $0.9/user/month
  • 5
    FlashStart

    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
  • 6
    Quixxi

    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
  • 7
    Splunk Enterprise
    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.
  • 8
    Defendify

    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 Scanning
    Starting Price: $0
  • 9
    Psono

    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
  • 10
    Zivver

    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
  • 11
    Swascan

    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.
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    Tines

    Tines

    Tines

    Tines provides the world's most security-conscious companies with no-code automation technology to power their business-critical processes. We believe automation works best when subject-matter experts, not distant developers, build it. Our drag-and-drop technology is intuitive but immensely powerful and flexible to give frontline staff everything they need to address repetitive manual processes. Tines allows users to gather internal or external events to trigger multi-step workflows. In line with our belief in approachable and powerful technology, Tines integrates with any technology that offers an API. This means customers aren’t limited to a fixed set of integrations, rather they are free to connect to any tool in their stack. This extends how they protect their business. With Tines, our customers are free from the burdensome, repetitive processes to focus on protecting their business from the next threat.
    Starting Price: $0/user/year
  • 13
    OPSWAT MetaDefender
    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
  • 14
    CyberSmart

    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
  • 15
    Instance Resolve
    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.
  • 16
    gpg4o

    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
  • 17
    BeyondTrust Password Safe
    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.
  • 18
    Infocyte

    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.
  • 19
    CyberEasy
    A Powerhouse Threat Detection Solution for People and Organizations. Your IT and Information security team are under enormous pressure to protect the Network from external attack and prevent your data from being stolen because of internal/staff errors. CyberEasy puts the power in your hands to be in control of your environment and reduce the cost. We want to democratize Cyber Security by making it simple to use and affordable for literally any budget.
    Starting Price: $7 per user per month
  • 20
    LUCY Security Awareness Training
    Train. phish. assess. engage. alarm. Lucy Security from Switzerland allows organizations to measure and improve the security awareness of employees and test their IT defenses. Turn employees into a human firewall with simulated attacks and our E-Learning platform with hundreds of preconfigured videos, training, quiz ready for usage. The most powerful IT Security Awareness Solution in the market. Fixed Prices | On-Premise or SaaS | Phish-Button | Threat Analytics | Over 10.000 installations and more than 25.000.000 trained users | 2020 Excellence Award for Best Anti Phishing.
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