# Atomic Red Team

Small and highly portable detection tests based on MITRE's ATT&CK.

Repository: https://github.com/redcanaryco/atomic-red-team
Canonical: https://ross.abutalabs.com/products/atomic-red-team
Language: C
License: MIT
License Family: permissive
Topics: mitre, mitre-attack
Last push: 2026-08-24T23:51:22+00:00

## Health v2 (maintenance only)
Score: 77/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 99, release rhythm 35, longevity 100
- inputs: {"age_days": 3248, "days_push": 9, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 12457, forks 3198 (observed 2026-08-28T04:10:58.987817+00:00)

## What it is
Atomic Red Team is a library of small, portable detection tests mapped to the MITRE ATT&CK framework, letting security teams validate their defenses reproducibly. It includes an execution framework (Invoke-AtomicRedTeam) for running tests from the command line or automation.

## Use cases
- test whether my EDR detects ATT&CK techniques
- simulate adversary techniques to validate detections
- run MITRE ATT&CK mapped tests against my environment
- validate security controls with reproducible attack tests
- automate purple team exercises
- test detection coverage for specific ATT&CK tactics

## When to choose
- you need portable, scriptable detection tests mapped to MITRE ATT&CK
- you want to validate EDR or SIEM detections without a full red team
- you are running purple team or continuous security validation programs

## When to avoid
- you need a full adversary emulation platform with multi-stage attack chains
- you want a passive vulnerability scanner rather than active technique execution
- you lack authorization to execute attack techniques in the target environment

## Facets
- artifact type: library
- maturity: active
- function: testing, security, penetration-testing
- domain: security, developer-tools, testing
- platform: cross-platform, windows, cli
- tags: mitre-attack, detection-testing, adversary-simulation, red-team, threat-detection, invoke-atomicredteam, linux, macos

## Member repositories
- redcanaryco/atomic-red-team (main) score 77
- redcanaryco/invoke-atomicredteam (plugin) score 52

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:10:58.987817+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T17:14:02.394691+00:00, confidence not recorded.
  - readme: https://github.com/redcanaryco/atomic-red-team (fetched 2026-08-28T04:10:58.987817+00:00, sha 3f8b4f645382)
- Data as of 2026-08-30T08:39:29.467469+00:00.