File Integrity Monitoring

File Integrity Monitoring (FIM) with Atomic OSSEC

Leverage real-time FIM and threat detection to thwart attacks, address PCI DSS and NIST compliance

Don’t let subtle malicious changes in your IT or OT environment go undetected. Employ the power of Atomic OSSEC file integrity monitoring (FIM) and threat detection to address a wide range of security and privacy compliance requirements, and mitigate organizational risk. 

File integrity monitoring (FIM) for threat detection and compliance

File integrity monitoring is an internal control process that checks text files and strings for anomalies, malicious payloads, configuration errors, and system hygiene issues against an established baseline—without examining entire files. It is a critical security capability for preventing infection and ransomware, and for meeting compliance requirements in NIST 800-53/800-171, JSIG, PCI DSS 11.5, ISO 27001, SOC 2, and CIS Controls, while supporting frameworks such as NIS2, HIPAA, and SOX. Atomic OSSEC FIM provides:

  • Visibility and compliance. Discover what changed at the file, system and behavioral level, triggering active response while addressing compliance controls such as FIM and audit and accountability (AU) for data transparency. 
  • Real-time threat detection. Continuously scan to detect in-progress malicious events. Its real-time FIM alerts you to vanishing traces of malware execution and intruder activities that timer-based scans can miss. 
  • Response and recovery. Our FIM integrates with AV, antimalware, and automated response rules, and backs up data and logs so even if prevention efforts aren’t enough, you still have your data, your source code, your future. 
  • Affordable file integrity monitoring. Don’t pay a premium for FIM when Atomic OSSEC pricing starts as low as $5 per server per month. Atomicorp now offers easy and affordable file integrity monitoring as a service, too.

Check out real-time FIM and intrusion detection in action. Request a demo today.

Real-Time FIM and Change Detection

Cyberattacks can be sneaky fast, executing their programs, altering your files and source code, and deleting traces of the activity. Many file integrity monitoring (FIM) programs run on a timer based model, only assessing a system daily, or even weekly, and don’t always catch these malicious changes. 

Need an affordable file integrity monitoring (FIM) solution for compliance and discovering and responding rapidly to malicious changes to your environment? Atomic OSSEC provides a modern, comprehensive file integrity monitoring solution at a fraction of the cost of traditional FIM solutions.  Schedule a demo today.

Atomic OSSEC – EDR and File Integrity Monitoring

Atomic OSSEC provides the affordable endpoint detection and response (EDR) solution businesses need today. With advanced SIEM log filtering that reduces the “noise” for security combined with a light footprint, Atomic OSSEC EDR and FIM also lower annual SIEM license fees. It meets all your file integrity monitoring requirements, works in any cloud, server or hybrid environment and integrates easily where you need it.

Modern, Advanced FIM for Less


Don’t pay a premium for FIM when Atomic OSSEC has you covered with pricing starting as low as $5 per server per month.

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FIM costs savings


Cloud Ready, Hybrid Capable


With a dedicated management console, thousands of pre-built ModSecurity web security rules, compliance reporting, and more, Atomic OSSEC makes it easy to deploy, manage in any cloud, or hybrid environment.

Get a Quote below. Bulk pricing available.


Cloud Compliance - AWS, Google Cloud Platform, IBM Cloud, Azure Cloud


Out-of-the-box Compliance


Compliance automation and reporting for key compliance regimes including PCI DSS, HIPAA, GDPR, JSIG, NIST and more.

Begin a free 14-day trial period using Atomic OSSEC to protect up to 10 endpoints. No credit card required.


Compliance - PCI-DSS, HIPAA, GDPR, NIST


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Advanced File Integrity Monitoring Built on Foundation of OSSEC

Real-Time FIM & Threat Detection, Compliance Reporting, Prebuilt OSSEC Rules, SIEM UI, Expert Support

Security Log Distillation
Improve Analyst Efficiency and Reduce SIEM Costs

Pinpoint Risks, Reduce Response Times, Cut SIEM Costs

distilled logs

Leverages more than 400 out-of-the-box connectors to collect log data
Analyzes, tags, and ranks security events
Routes critical events to any SIEM or other operational monitoring system
All other log data can be sent to cost effective cold storage
Zero data loss

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Atomic OSSEC File Integrity Monitoring (FIM) FAQ

What is file integrity monitoring (FIM)?

File integrity monitoring (FIM) is a security control that continuously monitors critical system and application files, configuration data, and logs to detect unauthorized or unexpected changes. It establishes a trusted baseline and uses cryptographic hashing and other change-detection techniques to alert security teams when files are modified, added, or deleted. Atomicorp FIM helps organizations quickly identify potential compromise and supports compliance requirements, including PCI DSS Requirement 11.5 and similar integrity-monitoring mandates in other regulations.

What is continuous FIM and how is it different from periodic monitoring?

Continuous FIM constantly monitors files, system configurations, and logs for changes, providing immediate alerts whenever a modification occurs. Periodic monitoring, on the other hand, checks files at predefined intervals, such as hourly, daily, or weekly, which means changes may go unnoticed until the next scan. The main difference is that continuous FIM offers real-time visibility and faster intrusion detection, while periodic monitoring introduces potential gaps between scans. Atomicorp supports both continuous and periodic FIM, but recommends continuous monitoring for compliance and high-security environments where rapid detection of unauthorized changes is critical.

Can Atomic OSSEC file integrity monitoring protect legacy and end-of-life operating systems?

The file integrity monitoring (FIM) in Atomicorp’s Atomic OSSEC EDR supports multiple platforms including legacy and end-of-life versions of Microsoft Windows, Linux, IBM AIX, and Oracle Solaris. Atomicorp FIM also supports long-running, unsupported versions of CentOS, Debian, Ubuntu, Red Hat Enterprise Linux, Rocky Linux, and other legacy operating systems. In addition to FIM, Atomic OSSEC protection includes antivirus, intrusion detection, log analysis, active response, audit controls, and data loss prevention.

How does Atomic OSSEC file integrity monitoring (FIM) work on legacy and end-of-life operating systems that no longer receive security patches or vendor support?

Atomic OSSEC FIM protects legacy and end-of-life systems by continuously monitoring critical files, configurations, and logs for unauthorized changes, even when the operating system itself cannot be patched. It establishes a trusted baseline and uses real-time change detection to alert security teams immediately when deviations occur. This allows organizations to maintain security visibility, reduce risk, and support compliance requirements on systems that are no longer supported by the vendor.

How does Atomic OSSEC FIM help meet PCI DSS Requirement 11.5?

Atomic OSSEC FIM helps organizations meet PCI DSS Requirement 11.5 by continuously monitoring critical system files, configurations, and logs for unauthorized changes. It creates a trusted baseline and uses real-time change detection to alert security teams when deviations occur. This rapid detection of file modifications supports both breach prevention and audit readiness, helping ensure that systems handling payment data remain secure and compliant.


Atomic OSSEC: Modern, Lightweight, Advanced FIM

Atomic OSSEC is ready to work in a cloud environment or the most complex of hybrid environments to meet your file integrity monitoring and compliance needs. It provides:

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See why thousands of organizations trust Atomicorp for modern, advanced file integrity monitoring and compliance.



Real-time File Integrity Monitoring and Intrusion Detection

Watch a FIM example at the command line level to see the real-time speed of Atomic OSSEC in comparison to timer based systems.

 

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Get FIM Whitepaper

Why FIM? Six Advantages of Atomic OSSEC File Integrity Monitoring

Download File Integrity Monitoring Whitepaper - Why FIM?

 

 

File integrity monitoring (FIM) remains a smart, if not mandatory, way to keep your servers, apps, endpoints, and data secure. Read the FIM whitepaper to identify how to:

  • Detect threats and prompt rapid response versus just logging incidents.
  • Reduce noise and SIEM infoglut management costs.
  • Inspect more than just files, and scan for system vulnerabilities.
  • Support major cloud platform providers (Amazon, Google, Microsoft…).
  • Comply with standards and regulations such as PCI-DSS, HIPAA, Hitrust, NIST 800-53, NERC CIP, CIS, GDPR.


File Integrity Monitor for Compliance

Atomic OSSEC meets or exceeds many compliance requirements for PCI DSS, HIPAA, NIST 800-53, NIST 800-171, Sarbanes-Oxley (SOX), GDPR and more. Need to meet the most PCI DSS compIiance requirements? Our Atomic Protector meets 99 PCI DSS requirements in a single agent!

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Atomic OSSEC Integrates with Your Systems

App Integrations

  • Splunk
  • SumoLogic
  • JIRA
  • Arcsight (CIS)
  • BMC Remedy
  • Elasticsearch

Security Integrations

  • AWS CloudTrail
  • McAfee
  • Palo Alto
  • Cisco
  • Cloudflare
  • Slack
  • ServiceNow
  • VirusTotal

Azure

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Try Atomic OSSEC for 30 days for free on Azure.