Security

Security guides and field notes focused on practical protection, recovery, and defensive operations.

Quick Reference
SMS vs TOTP vs Push vs Passkeys vs Hardware Keys
07/15/2026

SMS, TOTP, push, passkeys, and hardware keys protect accounts differently. Use phishing-resistant MFA where it matters most.

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Security
Windows 10 ESU and Windows 11 Privacy Survival Guide
06/22/2026

A practical plan for staying patched after Windows 10 end of support, choosing ESU or Windows 11, and tightening privacy settings after migration.

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