If you work in hospitality and find an email in your inbox from Booking.com claiming to be an angry guest, then watch out — it may well be part of a phishing scam. Microsoft has warned that a phishing campaign has been underway sending fake emails from Booking.com which lead users to download malicious software.
In a blog post about the issue, Microsoft Threat Intelligence writes that this is an ongoing campaign which has been around since December last year, and uses a social engineering technique called ClickFix. The victim receives an email which appears to come from Booking.com and which can vary widely in its content — from guest complaints to requests for information from potential guests to account verification — and which includes a link (or attaches a PDF with a link) that claims to take the user to Booking.com to deal with the issue.
When users click on the link, they see a screen which appears to be a CAPTCHA overlay over a Booking.com page, but the CAPTCHA actually…