MetaMask hit by cyberattack
Incident
Summary
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MetaMask is responding to an ongoing security incident affecting part of its infrastructure, and it has begun exiting affected validators to reduce risk to client assets. The company said it has found no immediate threat to MetaMask wallets. Lido said the validator exits may cause foregone rewards and possible downtime penalties, with the final validators expected to exit by October 7, 2026.
Related Happenings
Sapphire Sleet Mastra npm supply-chain campaign
Campaign
H score42
First: 20.06.2026 17:09
Last: 20.06.2026 17:09
Sources 1
About this happening:
The Mastra AI supply-chain campaign was attributed to Sapphire Sleet / BlueNoroff after Microsoft said the operation compromised the npm maintainer account "ehindero...
Sapphire Sleet Mastra npm supply-chain campaign
CampaignAbout this happening: The Mastra AI supply-chain campaign was attributed to Sapphire Sleet / BlueNoroff after Microsoft said the operation compromised the npm maintainer account "ehindero...
Timeline
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01.10.2026 08:10 2 articles · 1h ago
MetaMask responds to an ongoing security incident affecting its infrastructure
Initial DisclosureMetaMask said it is actively addressing and remediating an ongoing security incident affecting part of its infrastructure, in coordination with external partners and security advisors. The company said it had identified no immediate threat to MetaMask wallets and began proactively exiting affected validators within its non-custodial staking operations.
Show sources
- MetaMask Security Incident Prompts Exit of Affected Ethereum Validators — thehackernews.com — 01.10.2026 08:10
- MetaMask Security Incident Prompts Exit of Affected Ethereum Validators — thehackernews.com — 01.10.2026 08:10