security-boundary
2 posts tagged security-boundary.
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Windows Downdate: When the Update Itself Is the Attack
How Alon Leviev turned Windows Update into a downgrade primitive, rolling fully-patched Windows 11 back to vulnerable VBS components while every signature still verified.
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Protected Process Light: When the Administrator Isn't Enough
How a single byte in EPROCESS encodes a signer lattice that denies SYSTEM-integrity admins the right to read LSASS -- and why every public bypass since 2018 attacks the same structural seam.