Model Distillation Campaigns Target Anthropic Claude
Claude
Anthropic uncovered campaigns by multiple AI labs utilizing thousands of accounts to extract Claude capabilities via model distillation. The large-scale queries aimed to replicate reasoning and tool use features.
- fix status
- Fix status unknown
- first report
- 31 Mar 2026
- last update
- 31 Mar 2026
Timeline · 2
Sources · 2
News and write-ups
- 2026-03-31Detecting and preventing distillation attacksAnthropic · anthropic.com/news/detecting-and-preventing-distillation-attacks
Research and catalogues
- 2026-03-31Model Distillation Campaigns Targeting Anthropic ClaudeMITRE ATLAS · atlas.mitre.org/studies/AML.CS0056
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Model theft / extraction
- severity
- 3 · Confirmed exploitation
- fix status
- Fix status unknown
- targets
- Anthropic, Open-weight model
- owasp llm top 10
- LLM10:2025 Unbounded Consumption
- dates
- happened 23 Feb 2026 · first reported 31 Mar 2026
- origin
- MITRE ATLASDerived from MITRE ATLAS (Apache 2.0, © MITRE).
- record
- confidence 0.95 · created 2026-10-18 06:55Z · updated 2026-10-18 06:55Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
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# Model Distillation Campaigns Target Anthropic Claude https://gcdradar.vercel.app/incidents/model-distillation-campaigns-target-anthropic-claude · AIR-2026-0347 · closed 2026-04-14 - Lane: Patch now - Severity: 3 (Confirmed exploitation) - Fix status: Fix status unknown - First reported: 2026-03-31 (happened 2026-02-23) - AI role: Attack on AI - Products: Claude ## Summary Anthropic uncovered campaigns by multiple AI labs utilizing thousands of accounts to extract Claude capabilities via model distillation. The large-scale queries aimed to replicate reasoning and tool use features. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-03-31: Detecting and preventing distillation attacks (https://anthropic.com/news/detecting-and-preventing-distillation-attacks) - 2026-03-31: Model Distillation Campaigns Targeting Anthropic Claude (https://atlas.mitre.org/studies/AML.CS0056) ## Sources - 2026-03-31 MITRE ATLAS: Model Distillation Campaigns Targeting Anthropic Claude https://atlas.mitre.org/studies/AML.CS0056 - 2026-03-31 Anthropic: Detecting and preventing distillation attacks https://anthropic.com/news/detecting-and-preventing-distillation-attacks Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
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