Post #2041247

2026-03-03 03:28 UTC

@k3ym0 @ublockorigin Fascinating and worrisome. For the less technically adept… would uMatrix be as effective? Or are these specific capabilities of uBO?

Replies (1)

@k3ym0@infosec.exchange 2026-03-03 03:33

@QuercusMacrocarpa @ublockorigin uMatrix is unfortunately abandoned — development ended in 2021, same developer as uBlock Origin, he just stopped. there's also an unpatched vulnerability in it so I'd avoid it at this point. uBlock Origin in medium mode covers most of what uMatrix used to do for this specific threat — it blocks third party scripts and XHR requests by default which is exactly what catches the telemetry pipelines I documented. one important caveat though: if you're on Chrome, uBlock Origin was gutted by Google in late 2024 as part of their Manifest V3 changes. the full version no longer works on Chrome. for real protection you need Firefox or Brave with uBlock Origin installed. which, honestly, is probably worth a separate post.

Open ##2041248