August 17, 2026

Threema DDoS Attack Disrupts Secure Messaging for Two Days

Users of the Swiss messaging app Threema spent two days this week staring at messages that refused to send. Some watched the connection indicator flip between "Connecting" and "Connected." Others gave up and moved to another app. Behind the confusion sat a sustained Threema DDoS attack against the company and its hosting partner. A Two-Day Disruption With a Shifting Explanation

Threema DDoS attack
May 24, 2025

Aisuru Botnet Launches Devastating DDoS Attack

A recent attack on KrebsOnSecurity has set a new benchmark for the scale and speed of digital warfare. Central to this unprecedented 6.3 Tbps distributed denial-of-service (DDoS) attack is Aisuru, a recently discovered botnet powered by compromised Internet of Things (IoT) gadgets. Unlike traditional attacks, this one lasted less than a minute, packed enough power to cripple most online infrastructures.

Aisuru Botnet
May 9, 2025

Operation PowerOFF: Global Crackdown on DDoS-for-Hire

Operation PowerOFF, a coordinated campaign led by U.S. and European authorities, has taken down nine domains offering DDoS-for-hire services. This marks a significant step in curbing access to tools that allow virtually anyone to launch disruptive cyberattacks. DDoS-for-Hire: Cybercrime for Rent Distributed denial-of-service (DDoS) attacks are a persistent threat to online services. Consistenly flooding websites and networks with traffic to

Operation PowerOff