https://www.pistack.xyz/tags/intrusion-detection/Recent content in Intrusion-Detection on Pi StackHugoen-usSun, 19 Apr 2026 00:00:00 +0000https://www.pistack.xyz/posts/self-hosted-file-integrity-monitoring-aide-ossec-tripwire-guide-2026/Sun, 19 Apr 2026 00:00:00 +0000https://www.pistack.xyz/posts/self-hosted-file-integrity-monitoring-aide-ossec-tripwire-guide-2026/<p>File integrity monitoring (FIM) is one of the most fundamental security controls for any self-hosted infrastructure. It answers a critical question: <strong>has someone modified files on my server without authorization?</strong> Whether it&rsquo;s a compromised binary, a backdoored configuration file, or an attacker planting a rootkit, file integrity monitoring detects changes to critical system files before they can cause damage.</p>