After the Claude extension compromise, experts urge a 72-hour IDE extension update cooldown

jcran · x · 2026-10-31

Following today's Claude VSCode extension compromise, ArtemR urges users of VSCode, Cursor, and other VSCode-based IDEs to immediately enable extensions.installCooldownHours. The default of 0 installs extension updates instantly; he sets it to 72 hours, delaying updates by 3 days to neutralize most compromised-update risk, and suggests 336 hours (2 weeks) for the cautious. Not foolproof, but far better than no delay—a cheap supply-chain defense for all VSCode-family editors.

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