WhatsApp discovers (and removes) 6.8 million accounts linked to global scam operations.

WhatsApp discovers (and removes) 6.8 million accounts linked to global scam operations.

In a sweeping enforcement action during the first half of 2025, WhatsApp—owned by Meta—expelled more than 6.8 million accounts linked to global scam operations. This initiative targeted criminal networks behind large-scale fraud schemes, particularly those operating so-called “scam centers” in Southeast Asia, including countries such as Cambodia and Myanmar.
New Command-and-Control (C2) method, Ghost Calls, uses Zoom and Teams TURN servers to tunnel malicious traffic undetected.

New Command-and-Control (C2) method, Ghost Calls, uses Zoom and Teams TURN servers to tunnel malicious traffic undetected.

A novel command-and-control (C2) evasion method, termed "Ghost Calls," has emerged as a significant threat in post-exploitation scenarios. This innovative technique exploits TURN (Traversal Using Relays around NAT) servers operated by leading communication platforms such as Zoom and Microsoft Teams, enabling attackers to tunnel malicious traffic through infrastructure that is inherently trusted by most organizations. The stealth and sophistication of this approach pose unique challenges to traditional security defenses.