CVE-2025-53940 Quiet uses insecure, inconsistent verification on local backend token

Quiet is an alternative to team chat apps like Slack, Discord, and Element that does not require trusting a central server or running one's own. In versions 6.1.0-alpha.4 and below, Quiet's API for backend/frontend communication was using an insecure, not constant-time comparison function for tok...

WhatsApp Chats Will Soon Work With Other Encrypted Messaging Apps

New EU rules mean WhatsApp and Messenger must be interoperable with other chat apps. Here’s how that will work...

Patchwork Hackers Target Chinese Research Organizations Using EyeShell Backdoor

Threat actors associated with the hacking crew known as Patchwork have been spotted targeting universities and research organizations in China as part of a recently observed campaign. The activity, according to KnownSec 404 Team, entailed the use of a backdoor codenamed EyeShell. Patchwork, also...

Operation ChattyGoblin: Hackers Targeting Gambling Firms via Chat Apps

A gambling company in the Philippines was the target of a China-aligned threat actor as part of a campaign that has been ongoing since October 2021. Slovak cybersecurity firm ESET is tracking the series of attacks against Southeast Asian gambling companies under the name Operation ChattyGoblin...

Facebook Busts Palestinian Hackers' Operation Spreading Mobile Spyware

Facebook on Wednesday said it took steps to dismantle malicious activities perpetrated by two state-sponsored hacking groups operating out of Palestine that abused its platform to distribute malware. The social media giant attributed the attacks to a network connected to the Preventive Security...

A Growing Frontier for Terrorist Groups: Unsuspecting Chat Apps

Opinion: As Twitter, Facebook, and YouTube crack down on extremist propaganda, ISIS recruiters are exploiting lesser-known messenger apps...

Why You need to Stop using WhatsApp?

If you haven’t heard by now, Facebook just made its biggest move ever, buying the messaging service WhatsApp in a deal worth some $19 billion. That’s 19 times what Facebook paid for Instagram two years ago. The WhatsApp Service run by the team of just 32 engineers, handles more than 50 Billion...