Web sites with a Facebook pixel were communicating with local native apps (Instagram, Facebook, maybe WhatsApp) to log (and attribute) incognito web browsing activity.
Write-up: https://localmess.github.io/
Story: https://english.elpais.com/technology/2025-06-03/the-covert-method-meta-uses-to-track-mobile-browsing-without-consent-even-in-incognito-mode-or-with-a-vpn.html
Zach Leatherman
npub19v…pzmql
2025-06-06 18:32:49 CEST
Author Public Key
npub19vzl6trffwdlewfz5aantavdn5qn3sfs4lyhf5qfrjtphger8zxsrpzmqlPublished at
2025-06-06 18:32:49 CESTEvent JSON
{
"id": "cf7bb4faea89ef6612c1cc94a58ae81424f48230db940854e9040db1c36a7772",
"pubkey": "2b05fd2c694b9bfcb922a77b35f58d9d0138c130afc974d0091c961ba323388d",
"created_at": 1749227569,
"kind": 1,
"tags": [
[
"proxy",
"https://fediverse.zachleat.com/@zachleat/114637378000142678",
"web"
],
[
"proxy",
"https://fediverse.zachleat.com/users/zachleat/statuses/114637378000142678",
"activitypub"
],
[
"L",
"pink.momostr"
],
[
"l",
"pink.momostr.activitypub:https://fediverse.zachleat.com/users/zachleat/statuses/114637378000142678",
"pink.momostr"
],
[
"-"
]
],
"content": "Web sites with a Facebook pixel were communicating with local native apps (Instagram, Facebook, maybe WhatsApp) to log (and attribute) incognito web browsing activity.\n\nWrite-up: https://localmess.github.io/\nStory: https://english.elpais.com/technology/2025-06-03/the-covert-method-meta-uses-to-track-mobile-browsing-without-consent-even-in-incognito-mode-or-with-a-vpn.html",
"sig": "7d06787c581f779bef0d5f14fd8e8905f163178b5e25002255f1adfe6e4505dd365e0b765efc1fc5c3c5dbd16294b3304e1d2272c7d6fa505df00035b01dbafd"
}