Observed arrival · 2026-08-20
The Fake Microsoft Security Update at linkedcheckmas.com
Credibility concern recorded. The source reference remains available for verification and correction.
A purported Microsoft security page that exposes an obfuscated PowerShell script rather than a conventional homepage.
Why it surfaced
Its “Microsoft Security Intelligence Update” header is paired with PowerShell that hides the console, moves its window off-screen, inserts randomized delays, and performs opaque calculations. It is a compact specimen of trust theater and likely malicious delivery, not a page to treat as a real security tool.
A purported Microsoft security page that exposes an obfuscated PowerShell script rather than a conventional homepage.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
One card from the complete issue