For popular messengers such as Telegram, Signal and WhatsApp, there are quite a few alternative clients (not to be confused with clients as in (human) customers; whoever opted this confusing language needs a good talking to) out there. Such modified apps — known as mods — often provide users with features and capabilities that aren’t […]
ESET researchers have identified two active campaigns targeting Android users, where the threat actors behind the tools for Telegram and Signal are attributed to the China-aligned APT group GREF. Most likely active since July 2020 and since July 2022, respectively for each malicious app, the campaigns have distributed the Android BadBazaar espionage code through the […]
Bugs in several messaging/video chat mobile apps allowed attackers to spy on targeted users’s surroundings. The vulnerabilities – in Signal, Google Duo, Facebook Messenger, JioChat, and Mocha – could be triggered by simply placing a call to the target’s device – no other action was needed. Searching for bugs in video chat apps In early […]
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