LinkedIn's Hidden Scan Catalogs 6,278 Extensions, Including Apollo and Lusha
LinkedIn injects a 2.7MB JavaScript bundle that probes visiting browsers for 6,278 specific Chrome extension IDs, encrypts the result, and ties the fingerprint to your real name and employer. The catalog grew from 38 entries in 2017 to over 6,000 by April 2026, with 708 extensions added