https://tsecurity.de/de/1427546/IT+Sicherheit/Cybersecurity+Nachrichten/Dutch+watchdog+fines+Booking.com+%E2%82%AC475k+after+it+kept+customer+data+thefts+quiet+for+more+than+3+weeks/
Dutch watchdog fines Booking.com €475k after it kept customer data thefts quiet for more than 3 weeks