Malicious Browser Extensions Infect 722 Users Across Latin America Since Early 2025

Cybersecurity researchers have shed light on a new campaign targeting Brazilian users since the start of 2025 to infect users with a malicious extension for Chromium-based web browsers and siphon user authentication data. “Some of the phishing emails were sent from the servers of compromised companies, increasing the chances of a successful attack,” Positive Technologies security researcher