If you take a fresh Windows 11 box out of its box, sign in with a personal Microsoft account, click Next on every prompt, and join the home Wi-Fi \u2014 you have an endpoint that an opportunistic attacker can do real damage to. Not because Windows 11 is bad. Because Windows 11 ships configured for the lowest-common-denominator home user, and small businesses keep buying it that way and putting it on the front desk.<\/p>\n\n\n\n
The good news: bringing a Windows 11 laptop up to a defensible baseline takes about fifteen minutes and zero extra licenses (everything below works on Win11 Pro<\/strong>, no Defender for Endpoint or Intune required).<\/p>\n\n\n\n This is a stripped-down version of the same baseline I apply to every Windows endpoint we deploy at Rainier IT \u2014 front desks, accountants, owner laptops, the works. By the end you’ll have full-disk encryption with the recovery key off the machine, a non-admin daily-use account, Microsoft Defender hardened beyond its defaults, a curated set of ASR rules in block mode, telemetry trimmed, and bloatware removed. Everything is reversible, and most of it is one PowerShell line.<\/p>\n\n\n\n Everything below assumes the hardware is set up correctly. Two one-liners confirm it:<\/p>\n\n\n\n
\n\n\n\n\ud83d\udee1\ufe0f Lock Down Windows 11 in 15 Minutes: A Hardening Checklist<\/h1>\n\n\n\n
\ud83d\udccb Prerequisites<\/h2>\n\n\n\n
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\n\n\n\n\ud83d\udd0d Step 1: Verify the Foundation (TPM + Secure Boot)<\/h2>\n\n\n\n