Hundreds of popular add‑ons used encrypted, URL‑sized payloads to send search queries, referrers, and timestamps to outside servers, in some cases tied to data brokers and unknown operators.
A database left accessible to anyone online contained billions of records, including sensitive personal data that criminals ...
The hackers use fake CAPTCHA pages—which are designed to mimic standard security checks—to trick users into installing malicious software (“Stealthy StealC Information Stealer”) via keyboard commands.