Cybersecurity researchers have identified over 40 malicious Firefox browser extensions designed to steal cryptocurrency wallet secrets, impersonating well-known wallet tools. Mozilla has removed most of these extensions and developed a detection system to prevent similar threats. #CryptocurrencyTheft #BrowserExtensions
Keypoints
- Over 40 malicious Firefox extensions impersonate popular cryptocurrency wallets.
- The extensions have been active since at least April 2025 and inflate their popularity with fake reviews.
- Threat actors clone open-source wallet extensions to inject malicious code for stealing wallet data.
- These browser-based extensions are harder to detect than traditional phishing scams.
- Mozilla has removed most malicious extensions and implemented an early detection system for new threats.
Read More: https://thehackernews.com/2025/07/over-40-malicious-firefox-extensions.html