Exclusive: Google’s former ‘click fraud czar’ emerges from stealth with an on-device AI shield against AI-powered phishing, deepfakes, and other scams
Mon Jul 13 2026
Fraud
Phishing
Privacy
Startup
fortune.com
Shuman Ghosemajumder's new startup Reken uses an on-device 'private core' to analyze communications, automatically screening them for phishing and fraud attempts.