Mercer
merceradvisors.com
About This Breach
Mercer Advisors, a financial advisory firm, was allegedly breached by the ShinyHunters group in February 2026, exposing 321k unique email addresses along with names, phone numbers, physical addresses, and dates of birth.
Data Exposed
Breach Details
| Breach Type | Data Breach |
| Searchable | Yes |
| Verified | Yes |
| Sensitive Data | No |
| Reference | No reference available |
Frequently Asked Questions
When did the Mercer data breach happen?
Mercer was breached in Feb 2026. The breach was added to the XposedOrNot index on July 3, 2026.
How many records were exposed in the Mercer breach?
320,684 records were exposed, making it the #561 largest of the 763 breaches in our index.
What data was exposed in the Mercer breach?
The exposed data includes: Email addresses, Phone numbers, Names, Physical addresses, Dates of birth.
What should I do if I was affected by the Mercer breach?
Change your password on the affected service (and anywhere you reused it), turn on two-factor authentication, and set up free breach alerts on XposedOrNot so you know the moment your email appears in a new breach.
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What Should You Do?
Enable Two-Factor Authentication
Add 2FA on all supported accounts using an authenticator app like Google Authenticator or Authy.
Watch for Phishing Calls & SMS
Be cautious of unexpected calls or texts asking for personal information.
Beware of Scam Mail
Be skeptical of unexpected correspondence requesting personal details.
Monitor Your Accounts
Set up login alerts and review account activity regularly for suspicious access.