Ankura CTIX FLASH Update - September 12, 2025

Malware Activity

Cyber Threats and Resilience in the Face of Massive DDoS Attacks

Recent cybersecurity developments highlight both the escalating scale of cyberattacks and the evolving sophistication of malware. DDoS-Guard, a leading provider of DDoS mitigation services, successfully defended against a record-breaking attack peaking at 15 billion packets per second. This underscores the increasing intensity of volumetric assaults aimed at destabilizing critical infrastructure. This incident reflects broader trends where state-sponsored and criminal actors deploy massive DDoS campaigns to disrupt operations and exert pressure on targets. In parallel, researchers have uncovered new malware strains: CHILLYHELL is a modular backdoor targeting macOS with advanced persistence and evasion tactics, and ZynorRAT is a versatile remote access trojan leveraging Telegram for command-and-control on Windows and Linux systems. These threats exemplify the ongoing race in