Key Findings ShinyHunters conducted two major "pay or leak" extortion campaigns in April 2026 targeting ADT and Udemy ADT breach exposed 5.5 million unique email addresses plus names, phone numbers, and physical addresses Small percentage of ADT records also contained dates of birth and last four digits of Social Security numbers or Tax IDs Udemy breach exposed 1.4 million unique email addresses belonging to customers and instructors Udemy data included names, addresses, phon
