The420.In Exploitation of WhatsApp & Signal Flaw Enables User Tracking
Article Content
Browse articles 
Hackers are exploiting a vulnerability known as 'Careless Whisper' in the delivery receipts of WhatsApp and Signal to track users without their knowledge. This flaw allows for real-time tracking via round-trip time (RTT) measurements, making it difficult for users to detect any unauthorized surveillance.
Ask AI about this cluster
Answers cite the sources they use
Updated 219d ago How this analysis works
More articles in this cluster (1)
Following this threat?
Track Signal in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.
Free account · no card needed
Continue Reading
Critical Zero-Day Exploited in BeyondTrust Remote Support by China-linked Group A critical vulnerability in BeyondTrust Remote Support, tracked as CVE-2026-102764 with a CVSS score of 9.3, has been exploited by the China-linked espionage group Armory Castle since August 29, 2026. This flaw allows unauthenticated remote attackers to perform file operations, gaining root control and access to… 
Silent Lynx Targets CIS Governments via WinRAR Exploit The threat actor Silent Lynx has launched a series of attacks against government organizations in the Commonwealth of Independent States (CIS) from June 2025 to August 2026. These attacks exploit a vulnerability in WinRAR (CVE-2025-8088) to deploy reverse shells, including FoalShell and PickleShell, facilitating…