Observed arrival · 2026-11-09
Contra-Vigilância turns your browser into a privacy lesson
A Portuguese-language interactive guide shows what a website can learn from a visitor’s browser, then explains how companies and authorities may access other data.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Brazilian internet users learning about online privacy
- Worth noticing
- Its sample envelope pairs a partly masked IP with an Amazon Data Services Canada label and a Montréal location estimate.
Field notes
The demonstration treats browser metadata like the markings on a posted envelope, separating an IP-based location estimate from the provider’s ability to identify who used an address. Its guidance includes concrete paths through Chrome settings and iPhone tracking controls. The page also cites legal texts, platform documentation, and reporting; its course is presented separately as a paid offer.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
$PaidCommerce or pricing visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
◉HumanPersonal, local, civic, or handmade
One card from the complete issue