mirror of https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git synced 2026-06-13 14:44:58 +03:00

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mukul975 c21af3347e Complete folder anatomy for all 649 cybersecurity skills + update LICENSE to Mahipal

- Add scripts/agent.py and references/api-reference.md to all remaining skills
- Update all 648 LICENSE files: copyright now reads 'Mahipal'
- Add implementing-security-monitoring-with-datadog (new skill with full anatomy)
- All 649 skills now have: SKILL.md, LICENSE, scripts/agent.py, references/api-reference.md

2026-03-11 00:22:12 +01:00

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API Reference: Securing Historian Server in OT Environment

Common Historian Ports

Port	Service	Risk if Exposed
5450	PI Data Archive	SDK/API data access
5457	PI AF Server	Asset Framework access
443	HTTPS	Web API (acceptable if TLS)
80	HTTP	Cleartext credentials/data
1433	MS SQL	Direct database queries
3389	RDP	Remote admin access
135/445	RPC/SMB	Lateral movement target
502	Modbus	Industrial protocol

Purdue Model Placement

Level	Systems	Historian Role
0-1	Field devices, PLCs	Data source
2	HMI, SCADA	Data source
3	Site Operations	OT Historian location
3.5	DMZ	Replica historian
4-5	Enterprise	Consumer of DMZ data

Authentication Methods

Method	Security Level	Recommendation
PI Trust (IP-based)	Insecure	Migrate immediately
piadmin default	Insecure	Disable account
Windows Integrated	Recommended	Use AD groups/PI Mappings
Certificate-based	Strong	For inter-server comms

Python Libraries

Library	Version	Purpose
`socket`	stdlib	Port scanning
`json`	stdlib	Report generation
`pathlib`	stdlib	File handling

References

OSIsoft PI Security Guide: https://docs.aveva.com/
IEC 62443: Industrial Automation Security
NIST SP 800-82: Guide to ICS Security

1.5 KiB Raw Blame History

API Reference: Securing Historian Server in OT Environment

Common Historian Ports

Purdue Model Placement

Authentication Methods

Python Libraries

References

1.5 KiB

Raw Blame History