MITRE ATT&CK Navigator Layer - Anthropic Cybersecurity Skills

This directory contains a MITRE ATT&CK Navigator layer file that maps the coverage of the Anthropic Cybersecurity Skills repository against the ATT&CK Enterprise matrix.

Files

File	Description
attack-navigator-layer.json	ATT&CK Navigator layer (v4.5 format, Enterprise ATT&CK v14)

How to View

1. Open the MITRE ATT&CK Navigator
2. Click Open Existing Layer
3. Select Upload from local and choose attack-navigator-layer.json
4. The matrix will display with blue-shaded techniques indicating coverage

Alternatively, paste the raw JSON URL into the Navigator's "Load from URL" option if this file is hosted publicly.

Coverage Statistics

Metric	Value
Total skills scanned	742
Unique ATT&CK techniques referenced	218
Parent techniques	94
Sub-techniques	124
Tactics with coverage	14/14

Coverage by Tactic

Tactic	Techniques Covered
Defense Evasion	36
Credential Access	33
Persistence	29
Initial Access	17
Command and Control	17
Privilege Escalation	13
Discovery	12
Exfiltration	12
Reconnaissance	11
Collection	10
Lateral Movement	9
Execution	8
Resource Development	6
Impact	5

Color Scale

The layer uses a blue gradient to indicate coverage depth:

• Light blue (#cfe2f3): 1-2 skills reference this technique
• Medium blue (#6fa8dc): 3-5 skills reference this technique
• Dark blue (#3d85c6): 6-10 skills reference this technique
• Deep blue (#1155cc): 11+ skills reference this technique

Top 10 Most Covered Techniques

Technique	Name	Skills
T1059.001	PowerShell	26
T1055	Process Injection	17
T1053.005	Scheduled Task	16
T1566.001	Spearphishing Attachment	15
T1558.003	Kerberoasting	14
T1547.001	Registry Run Keys / Startup Folder	13
T1078	Valid Accounts	13
T1003.006	DCSync	13
T1071.001	Web Protocols	12
T1021.002	SMB/Windows Admin Shares	12

Methodology

Techniques were extracted by scanning all SKILL.md files in the repository for ATT&CK technique ID patterns (T1XXX and T1XXX.XXX). Each technique's score is proportional to the number of distinct skills that reference it, normalized to a 1-100 scale.

Layer Format

• Format version: 4.5
• ATT&CK version: 14 (Enterprise)
• Navigator version: 4.9.1
• Domain: enterprise-attack

Related Links

• MITRE ATT&CK Framework
• ATT&CK Navigator
• ATT&CK Navigator GitHub