Breach Roundup: Cloudflare Outage Root Cause

Also: Fortinet Flaws, Aisuru Botnet and Dutch Police Seize Bulletproof Host Servers Anviksha More (AnvikshaMore) • November 20, 2025

Every week, ISMG rounds up cybersecurity incidents and breaches around the world. This week, a bot management system is the root cause of the Cloudflare outage, Fortinet warned of active exploitation of FortiWeb flaws, Logitech disclosed a data breach, Microsoft headed off a record-breaking Aisuru botnet attack, Dutch police seized bulletproof hosting servers and Princeton University disclosed a data breach after a phishing attack.

See Also: Why Cyberattackers Love 'Living Off the Land'

Two days after a widespread Cloudflare outage disrupted access to major websites and services across the globe, CEO Matthew Prince blamed a mishap with a feature meant to allow website owners to block bot traffic.

Prince said the outage occurred when Cloudflare decided to give website owners more visibility into it's Bot Management database. A ...