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Breach registry

MC2Data Data Breach

MC2 Data

What was exposed, when it happened, and which databases confirm it.

Verified
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.

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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.

HIBP2,122,280
DEHASHED2,122,280
LEAKCHECKnot attested
VIGILANTEnot attested

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.

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