Hackers accessed some Booking.com user data, including names, emails, phone numbers, and booking details. The issue is now contained.Booking.com warned that hackers may have accessed customer data linked to travel reservations. Exposed details could include names, email addresses, phone numbers, and information shared with accommodations. Booking.com is one of the world’s leading online travel agencies (OTAs) and digital travel companies, specializing in accommodation bookings, including hotels, vacation rentals, and apartments.“In that spirit, we’re writing to inform you that unauthorized third parties may have been able to access certain booking information associated with your reservation.” reads the data breach notification sent to the impacted users. “We recently noticed suspicious activity affecting a number of reservations and we immediately took action to contain the issue. Based on the findings of our investigation to date, accessed information could include booking details and name(s), emails, addresses, phone numbers associated with the booking and anything that you may have shared with the accommodation.”Source RedditIn response to the incident, the company reset reservation PINs.Booking.com did not provide technical details about the attack. It is unclear whether the attackers compromised its systems. The company has not disclosed how many users were impacted, but said it has contained the incident and notified impacted customers.The company said no payment data was accessed. Customers are urged to stay alert for phishing, as the company never asks for card details or unusual transfers via email, phone, WhatsApp, or SMS.Recently, multiple users claimed online that scammers contacted them using what looked like real reservation details. It’s not yet clear whether these incidents are linked to the cyber incident disclosed by Booking.com.Follow me on Twitter: @securityaffairs and Facebook and MastodonPierluigi Paganini(SecurityAffairs – hacking, security breach)