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Wire · operational-macro

Metamask discloses security incident affecting its infrastructure

1 October 2026 · By · Wire by Fusion42

Published

1 October 2026

Topic

operational-macro

◆ Sectors

Crypto & Web3

◆ Geography

United States

◆ Source

Read at bleepingcomputer.com →

◆ Verified

Fusion42 · 1 October 2026 · Fusion42 review

Metamask has disclosed a security incident that impacted its infrastructure, potentially affecting the security and availability of its services.

This Wire brief sits within Fusion42's coverage of Crypto & Web3, and 2 sources have reported it between 1 Oct 2026 and 3 Oct 2026.

◆ ◆ The Wire takeaway

Your security posture just became a key business risk. If you work in crypto infrastructure, now is the time to review dependencies on Metamask and tighten your own incident response.

◆ Coverage

2 sources · first reported 1 Oct 2026 · latest 3 Oct 2026

◆ Related on Wire

◆ Topics

Crypto & Web3securityincidentinfrastructurecryptoweb3metamask