Best Free File Integrity Monitoring Software of 2025

Paessler PRTG is an all-inclusive monitoring solution with an intuitive, user-friendly interface powered by a cutting-edge monitoring engine. It optimizes connections and workloads, reduces operational costs, and prevents outages. It also saves time and controls service level agreements (SLAs). This solution includes specialized monitoring features such as flexible alerting, cluster failover, distributed monitoring, maps, dashboards, and in-depth reporting.

EventLog Analyzer from Manage Engine is the industry's most affordable security information and event management software (SIEM). This cloud-based, secure solution provides all essential SIEM capabilities, including log analysis, log consolidation, user activity monitoring and file integrity monitoring. It also supports event correlation, log log forensics and log retention. Real-time alerting is possible with this powerful and secure solution. Manage Engine's EventLog Analyzer allows users to prevent data breaches, detect the root cause of security issues, and mitigate sophisticated cyber-attacks.

ADAudit Plus enhances the security and compliance of your Windows Server environment by delivering comprehensive insights into all operational activities. It offers a detailed overview of modifications made to Active Directory (AD) resources, encompassing AD objects and their respective attributes, group policies, and more. By conducting thorough AD audits, organizations can identify and mitigate insider threats, misuse of privileges, and other signs of potential security breaches, thereby bolstering their overall security framework. The tool enables users to monitor intricate details within AD, including entities such as users, computers, groups, organizational units (OUs), group policy objects (GPOs), schemas, and sites, along with their associated attributes. Furthermore, it tracks user management activities like the creation, deletion, password resets, and alterations in permissions, providing insights into the actions taken, the responsible individuals, the timing, and the originating locations. Additionally, it allows organizations to monitor the addition or removal of users from security and distribution groups, ensuring that access privileges are kept to the necessary minimum, which is critical for maintaining a secure environment. This level of oversight is vital for proactive security management and compliance adherence.

Fidelis Halo, a SaaS-based cloud security platform, automates cloud computing security controls. It also provides compliance across containers, servers, and IaaS within any public, private or hybrid cloud environment. Halo's extensive automation capabilities allow for faster workflows between InfoSec (DevOps) and Halo with over 20,000 pre-configured policies and more than 150 policy templates. These templates cover standards like PCI, CIS and HIPAA. The comprehensive, bidirectional Halo API, SDK, and toolkit automate security and compliance controls in your DevOps toolchain. This allows you to identify and correct critical vulnerabilities before they go into production. Free Halo Cloud Secure edition includes full access to the Halo Cloud Secure CSPM Service for up to 10 cloud service account across any mix of AWS and Azure. Get started now to automate your cloud security journey!

Enhance your security posture with LevelBlue USM Anywhere, a cutting-edge open XDR platform tailored to adapt to the dynamic nature of your IT environment and the increasing demands of your enterprise. Featuring advanced analytics, comprehensive security orchestration, and automation capabilities, USM Anywhere provides integrated threat intelligence that accelerates and sharpens threat detection while facilitating smoother response management. Its unparalleled flexibility is highlighted by a wide array of integrations, known as BlueApps, which improve its detection and orchestration capabilities across numerous third-party security and productivity applications. Additionally, these integrations allow for seamless triggering of automated and orchestrated responses, making security management more efficient. Take advantage of a 14-day free trial today to see how our platform can transform your approach to cybersecurity and help you stay ahead of potential threats.

OSSEC is completely open source and available at no cost, allowing users to customize its functionalities through a wide range of configuration settings, including the addition of personalized alert rules and the creation of scripts to respond to incidents as they arise. Atomic OSSEC enhances this capability by assisting organizations in fulfilling specific compliance standards like NIST and PCI DSS. It effectively identifies and notifies users of unauthorized alterations to the file system and any malicious activities that could jeopardize compliance. The Atomic OSSEC detection and response system, built on open-source principles, enriches OSSEC with thousands of advanced rules, real-time file integrity monitoring (FIM), regular updates, software integrations, built-in active response features, a user-friendly graphical interface (GUI), compliance resources, and dedicated professional support. This makes it a highly adaptable security solution that combines extended detection and response (XDR) with compliance capabilities in one comprehensive package. Its flexibility and thoroughness make it an invaluable tool for organizations aiming to bolster their security posture while maintaining compliance.