Type Research & news
Anthropic Claude
Anthropic: That Claude Code extension compromise… couldn't be us
1 source
At a glance
Medium
MonitorNo fixed deadline
Evidence-weighted, not popularity
Why Medium
Medium rather than High: exposure is scored at a default because we cannot see your systems or suppliers.
Briefing
- Do not treat uncorroborated claims as confirmed breaches.
Next steps
Monitor- For awareness — no fixed action deadline for this reporting
No technical write-up beyond the summary below yet.
Next steps
Monitor- No immediate technical action — track if your estate depends on the products or vendors discussed
Summary
- Claudeshop fingers 'malicious actor' in targeted supply-chain attack on Cursor
Read the original reportThe Register Security(opens in a new tab)
Products and services involved
- Anthropic Claude88% match confidence
Pulse
Last checked 4d ago · Recheck overdue since 7 Nov 2026, 22:37 UK time
- Story30 Oct 2026, 17:17 UK time · 30 Oct
Linked reporting from The Register Security (independent original reporting).
Read source (The Register Security)
1 entry so far. The timeline chart appears once this story has more history.
Sources
- The Register SecurityNews
Anthropic: That Claude Code extension compromise… couldn't be us
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ClaimedHeadline60% confidence
Anthropic: That Claude Code extension compromise… couldn't be us
- ProbableSummary fact75% confidence
Claudeshop fingers 'malicious actor' in targeted supply-chain attack on Cursor