Best Free Computer Security Software
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Compare the Top Free Computer Security Software as of May 2025
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What is Free Computer Security Software?
Computer security software helps protect devices, networks, and sensitive data from unauthorized access, cyberattacks, and other security threats. These tools provide a range of protective features such as antivirus, firewall, encryption, malware detection, and intrusion prevention systems. Computer security software is essential for safeguarding against viruses, ransomware, spyware, and phishing attacks, ensuring the integrity, confidentiality, and availability of data. Many security solutions also offer real-time monitoring, automated updates, and threat intelligence to detect and mitigate new vulnerabilities as they emerge. Businesses and individuals rely on computer security software to reduce risks, comply with regulations, and maintain a secure computing environment. Compare and read user reviews of the best Free Computer Security software currently available using the table below. This list is updated regularly.
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1
EventSentry
NETIKUS.NET ltd
Hybrid SIEM solution combining real-time (event) log monitoring with comprehensive system health & network monitoring provides users with a complete picture of their servers and endpoints. The included security event log normalization & correlation engine with descriptive email alerts provides additional context and presents cryptic Windows security events in easy to understand reports that offer insight beyond what is available from raw events. EventSentry's NetFlow component visualizes network traffic, can detect malicious activity and offers insight into bandwith usage. Keeping track of Active Directory changes is easy with EventSentry's ADMonitor component that records all changes to AD & Group Policy objects and provides a complete user inventory to help identify obsolete accounts. Various integrations & multi-tenancy available.Starting Price: $85.00/one-time -
2
FileAudit
IS Decisions
Proactively track, audit, report, alert on and respond to, all access to files and folders on Windows Servers and in the cloud. Monitor, in real time, access to sensitive files stored on both Windows Servers and in the cloud. Powerful filtering helps you find the answers you need quickly; tracking IP address and machine name pinpoints the exact access. Set up email alerts and a triggered response for access events (access denied - file deletion - a specific user, machine or IP address - time of access) and mass access events such as the copy, deletion or movement of bulk files. Review a searchable, secure and always-available audit trail. Analyze the access to and usage of files stored both on-premises and in the cloud. Schedule centralized reports according to multiple criteria.Starting Price: $826 one-time payment -
3
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.
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