mirror of
https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git
synced 2026-06-13 14:44:58 +03:00
mukul975
c21af3347e
- 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
48 lines
1.5 KiB
Markdown
48 lines
1.5 KiB
Markdown
# 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
|