Security news roundup: 3 Nov 2026

The stories security teams are following today. Each link goes to the original report.

Headlines

• UK faces ‘unprecedented rise’ in cyberattacks in coming months, warns cyber chief (The Record)
• Michigan State cyber incident claimed by ransomware gang behind recent hospital attack (The Record)
• Largest crypto exchange in Brazil confirms cyberattack as millions flow out of platform (The Record)
• Chinese hackers use ARTEX AI in automated attacks against 200 orgs (BleepingComputer)
• Fintech platform Sageworks taken offline after suspected cyberattack (BleepingComputer)
• Google disrupts million-device XCPE Android malware botnet, bans TV box maker (BleepingComputer)
• Polymarket pledges to give $3.9 million back to victims after site compromise (The Record)
• ⚡ Weekly Recap: Critical CVEs, Linux DDoS Botnet, Device-Code Phishing, Android Spyware and More (The Hacker News)
• Russia's statistics agency confirms cyberattack claimed by Belarusian and Ukrainian hackers (The Record)
• Google Disrupts 1.3 Million-Device Android Botnet, Says TV Box Maker Sold Criminal Access (The Hacker News)