Latest in Instant Messaging

Researchers disclose WhatsApp contact discovery vulnerability that identifies 3.5 billion users

• November 21, 2025

Security researchers from the University of Vienna and SBA Research have disclosed a now-patched vulnerability that can enumerate around 3.5 billion WhatsApp accounts using the app's contact discovery feature.

Element Will Soon Make Verifying Your Devices Mandatory

• November 20, 2025

The Matrix-based messenger Element announced their plans to make verifying your devices mandatory, so you can be sure the person you’re messaging with end-to-end encryption is really them.

WhatsApp Rolls Out Messaging Interoperability for Europeans

• November 18, 2025

Meta has started allowing third-party messengers to interoperate with WhatsApp in compliance with the European Digital Markets Act (DMA).