Individual skill

detecting-attacks-on-historian-servers

Detect cyber attacks targeting OT historian servers (OSIsoft PI, Ignition, Wonderware) that sit at the IT/OT boundary and serve as pivot points for lateral movement between enterprise and control networks, including data manipulation, unauthorized queries, and exploitation of historian-specific vulnerabilities.

internal/tools/skills/data/ot-ics-security/detecting-attacks-on-historian-servers/SKILL.md

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Apache-2.0

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# Detecting Attacks on Historian Servers

## When to Use

- When monitoring historian servers that bridge IT and OT networks for compromise indicators
- When detecting unauthorized queries or data manipulation in process historian databases
- When investigating lateral movement through historian servers between IT and OT zones
- When responding to alerts about exploitation of historian-specific vulnerabilities (CVE-2025-0921)
- When validating historian data integrity after a suspected OT security incident

**Do not use** for general database security monitoring (see database security skills), for historian deployment and configuration, or for IT-only data warehouse security.

## Detection Gaps & Validation
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