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Microsoft issues record security update, sets passkey deadline
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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.
◆ ◆ 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.
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1 source · 19 Jul 2026
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