Catch up on last week’s top stories in cybersecurity — from a court upholding a $92 million FCC fine and new telecom breach reporting rules to critical flaws in Cisco and Fortinet products, U.S. sanctions on Russian crypto exchanges, and Russia restricting WhatsApp and Telegram calls. Microsoft issued urgent Exchange patches, SonicWall linked ransomware attacks to a year-old bug, and researchers warned old cloud vulnerabilities still pose risks. Also: fresh criticism of GPT-5, the FCC

Tag-uri: WhatsApp