Data breach
MC2 Data
2 122 280 accounts exposed in a breach dated 2024-08-18.
Breached2024-08-18Added to HIBP2024-12-15 UTCUpdated by HIBP2024-12-15 UTCAccounts2 122 280Domain—
Verified
What happened in Have I Been Pwned’s words
In August 2024, data aggregator MC2 Data left a database publicly accessible without a password which was subsequently discovered by a security researcher. The breach exposed the personal information of 2.1M subscribers to the service which was marketed under a series of different brand names. The data included email addresses, names and salted SHA-256 password hashes.
Exposed data as HIBP classifies it
- Email addresses
- Names
- Passwords
How HIBP qualifies it
- HIBP verified that the data came from this service.
HIBP names no domain for this breach.
Source: Have I Been Pwned (CC BY 4.0)
Copied from HIBP 2026-11-05 03:50 UTC