What Tamper Protection actually stops
It is not a general lock on Defender's settings. Knowing precisely what it covers explains several confusing failures — including why some cleanup tasks simply will not work.
The OmniGuard blog
Field notes on Windows security — what we find, what we fix, and what turns out to be a false alarm. No filler, no fear-selling.
Windows Firewall evaluates Block before Allow
The rule-ordering assumption that quietly cuts machines off the network — and the correct way to carve an exception out of a broad block.
Your powerline adapter reports a gigabit link. It is not delivering one.
Ethernet-over-power kit negotiates 1 Gbps to your PC and then carries a fraction of it. How to tell whether your network or your ISP is the bottleneck.
Your "fully updated" PC is probably running a 2011 driver
Windows Update keeps Windows current. It does not keep your drivers current, and the gap is where stability and security problems live.
Memory integrity: what it protects, and what it breaks
HVCI is one of the strongest protections Windows ships, and one of the easiest to switch off by accident. What it does, why drivers fight it, and how to turn it on without losing hardware.
Why Windows Defender flags your own security tools
Scanning scripts, log analysers and admin tooling get detected as the very threats they look for. Here is why that happens, and how to tell a real detection from a mirror.
Next article: Attack Surface Reduction rules: which ones to turn on, and the one that cries wolf on October 10, 2026.