Breach registry
MC2Data Data Breach
MC2 Data
What was exposed, when it happened, and which databases confirm it.
- accounts
- 2,122,280
- Breached
- August 18, 2024
- Last Update
- December 15, 2024
Were you caught in this breach?
Search your email, phone number or username against every record CheckLeaked indexes.
What happened
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.
Compromised Info
- Email addresses
- Names
- Passwords
Attestation
Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.
Sources & Link Methods
- HIBP
FAQ
What was leaked in the MC2Data breach?
The MC2Data breach exposed: Email addresses, Names, and Passwords.
When did the MC2Data breach happen?
The MC2Data breach was disclosed on August 18, 2024 and affected 2,122,280 records.
Am I affected by the MC2Data breach?
Search your email, phone or username at checkleaked.cc to find out whether your data appears in the MC2Data leak.