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Breach registry

Masedworld Data Breach

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

UnverifiedPassword can be found in search
accounts
9,697,364
Breached
April 1, 2018

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 September 2016, a breach involving the Chinese website uuu9.com occurred, compromising approximately 7.5 million accounts. The leaked data included usernames, email addresses, and passwords, presenting a significant security risk for affected individuals.

Compromised Info

  • username
  • hashed_password
  • email
  • password

Attestation

Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.

HIBP9,697,364
DEHASHED9,697,364
LEAKCHECK3,188,802
VIGILANTEnot attested

Sources & Link Methods

  • LeakCheck
  • Dehashed— linked via AI direct match to LeakCheck (75% confidence)

FAQ

What was leaked in the Masedworld breach?

The Masedworld breach exposed: username, hashed_password, email, and password.

When did the Masedworld breach happen?

The Masedworld breach was disclosed on April 1, 2018 and affected 9,697,364 records.

Am I affected by the Masedworld breach?

Search your email, phone or username at checkleaked.cc to find out whether your data appears in the Masedworld leak.

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