Questel
Medium Impact•
1,226,209 records affected
•
HaveIBeenPwned
Description
In August 2026, the French intellectual property software and services company Questel was the target of a ShinyHunters "pay or leak" extortion campaign. The group subsequently published an extensive corpus of data they alleged was obtained from the company, largely comprising corporate contact information associated with sales leads, support cases and marketing activities, with 1.2M unique email addresses. The data also included names, employers and job titles, along with physical addresses and phone numbers.
What to do if you're affected
- 1.Change your password immediately if you have an account with this service
- 2.Enable two-factor authentication (2FA) wherever possible
- 3.Check if your email appears in the breach using Have I Been Pwned
- 4.Monitor your accounts for suspicious activity
- 5.Consider using a password manager to generate unique passwords