
Backend
Inside WhatsApp's Messaging Architecture: Trade-offs at Billion-User Scale
4/12/2026

Security
Microsoft Warns of WhatsApp-Delivered VBS Malware Hijacking Windows via UAC Bypass
4/2/2026

Security
Casbaneiro Phishing Campaign Targets Latin America and Europe with Dynamic PDF Lures
4/1/2026

Security
Microsoft Warns of WhatsApp Malware Campaign Using Social Engineering
4/1/2026

Mobile
WhatsApp rolls out multiple account support on iOS and cross-platform transfer from iPhone to Android
3/27/2026

Vulnerabilities
US Judge Dismisses Meta Security Flaw Lawsuit by Former WhatsApp Head
3/25/2026

Privacy
WhatsApp Guest Chats: Messaging Without an Account
3/16/2026

Security
Meta's AI-Powered Scam Crackdown: 150K Accounts Nuked, 21 Arrests Made
3/12/2026

Privacy
WhatsApp introduces parent-managed accounts for pre-teens
3/12/2026

Security
Russian hackers target Signal and WhatsApp accounts through social engineering
3/9/2026

Business
WhatsApp Plus: Premium Tier with Customization Options Reportedly Coming Soon
3/6/2026

Infrastructure
The Hidden Architecture Behind WhatsApp's Instant Messaging
3/1/2026

Mobile
WhatsApp Developing Message Scheduling Feature for iOS and Likely Android
2/22/2026