Enterprise Tech

Major identity providers move to disable legacy authentication protocols by default

The change lands in October and is expected to break a long tail of scanners, copiers and line-of-business integrations.

Grace Nwosu

Enterprise IT Correspondent • 24 Jul 2026 • 5 min read

Dark abstract network of glowing connection lines — Legacy protocols remain the top vector for password spraying. Photo: Unsplash

Administrators get a six-week grace period and a per-tenant exception process that expires in early 2027. This story is developing and will be updated as our newsroom confirms further detail with affected organisations and responders.

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Major identity providers move to disable legacy authentication protocols by default

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