The Russian hacking group GreedyBear has scaled up its operations in recent months, using 150 “weaponized Firefox extensions” to target international and English-speaking victims, according to research from Koi Security. Publishing the results of its research in a blog, U.S. and Israel-based Koi reported that the group has “redefined industrial-scale crypto theft,” using 150 weaponized Firefox extensions, close to 500 malicious executables and “dozens” of phishing websites to steal over $1 million within the past five weeks. Speaking to Decrypt, Koi CTO Idan Dardikman said that the Firefox campaign is “by far” its ... (full story)