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Microsoft issues record security update, sets passkey deadline

Published

19 July 2026

Topic

technology

Sectors

Enterprise Software

Geography

United States

Source

Read at msn.com

Verified

Fusion42 · 19 July 2026 · Fusion42 review

Microsoft released a record-breaking security update and announced a deadline for customers to migrate to passkey authentication. The move signals a mandatory shift away from password-based authentication across the Microsoft ecosystem.

This Wire brief sits within Fusion42's coverage of Enterprise Software. Wire is Fusion42's founder-focused intelligence feed: each story is connected to the funds and startups it names — every one with a live profile on Raise or Scout — so founders can follow the capital and the momentum behind the headline rather than just the headline itself. Wire analysis is one of the live surfaces Arthur reasons over.

The Wire takeaway

If you sell identity, access control, or workforce authentication tools, your entire customer base is about to be forced to migrate - and Microsoft now owns the default upgrade path. Your customers will either build a passkey bridge to Microsoft or rip you out and replace you with Microsoft's native option.

Related on Wire

Topics

Enterprise Software · passkeys · authentication · security-compliance · microsoft-ecosystem · identity-infrastructure