mirror of https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git synced 2026-06-11 21:54:56 +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: Implementing Network Segmentation for OT

Purdue Reference Model

Level	Name	Assets
0	Process	Sensors, actuators, field devices
1	Basic Control	PLCs, RTUs, safety systems
2	Supervisory	HMIs, engineering workstations
3	Operations	Historians, MES, OPC servers
3.5	DMZ	Data diodes, patch servers
4	Enterprise	ERP, email, business apps
5	External	Internet, cloud, vendors

Zone Audit Checks

Check	Severity	Description
No firewall	CRITICAL	Zone boundary unprotected
Control zone internet access	CRITICAL	Level 0/1 reaches internet
No IDS monitoring	HIGH	No intrusion detection
No DPI	HIGH	No OT protocol filtering
IT-OT bypass DMZ	CRITICAL	Direct Level 4 to Level 1

Common OT Protocols

Protocol	Port	Purdue Level
Modbus/TCP	502	0-1
EtherNet/IP	44818	0-2
DNP3	20000	0-1
OPC UA	4840	1-3
S7comm	102	0-1

References

IEC 62443: https://www.isa.org/standards-and-publications/isa-standards/isa-iec-62443-series-of-standards
NIST SP 800-82: https://csrc.nist.gov/publications/detail/sp/800-82/rev-3/final
CISA ICS Security: https://www.cisa.gov/topics/industrial-control-systems

1.3 KiB Raw Blame History

API Reference: Implementing Network Segmentation for OT

Purdue Reference Model

Zone Audit Checks

Common OT Protocols

References

1.3 KiB

Raw Blame History