“LOCALHOST TRACKING” EXPLAINED. IT COULD COST META 32 BILLION

Summary from the TLDR InfoSec newsletter

Meta developed "localhost tracking" to bypass Android's security protections and identify users despite VPNs, incognito mode, and deleted cookies. This post dives into how it works. Meta now faces potential record fines under GDPR, DSA, and DMA regulations totaling up to €32 billion (20% of its €164 billion revenue), as penalties can be applied cumulatively across different violated regulations.