I get too many “alerts” to pass on but I know a lot of people use the Booking.com site so I thought I’d pass this one on to everyone.
Their summary is as follows :

Those using the platform Booking.com to book their holidays or accommodation are being warned they could be targeted with emails or messages requesting payments from hotels who have had their account taken over by fraudsters. Between June 2023 and September 2024, Action Fraud received 532 reports from individuals, with a total of £370,000 lost.

You can read the full article here :
https://www.wiltsmessaging.co.uk/Alerts/A/232893