Lifebear

In early 2019, the Japanese schedule app Lifebear appeared for sale on a dark web marketplace amongst a raft of other hacked websites. The breach exposed almost 3.7M unique email addresses, usernames and passwords stored as salted MD5 hashes. The data was provided to HIBP by a source who requested it be attributed to "nano@databases.pw".

Record: 3.7 million

Neteller

In May 2010, the e-wallet service known as Neteller suffered a data breach which exposed over 3.6M customers. The breach was not discovered until October 2015 and included names, email addresses, home addresses and account balances.

Record: 3.6 million

Zoomcar

In July 2018, the Indian self-drive car rental company Zoomcar suffered a data breach which was subsequently sold on a dark web marketplace in 2020. The breach exposed over 3.5M records including names, email and IP addresses, phone numbers and passwords stored as bcrypt hashes. The data was provided to HIBP by dehashed.com.

Record: 3.6 million

MobiFriends

In January 2020, the Barcelona-based dating app MobiFriends suffered a data breach that exposed 3.5 million unique email addresses. The data also included usernames, genders, dates of birth and MD5 password hashes. The data was provided to HIBP by a source who requested it be attributed to "white_peacock@riseup.net".

Record: 3.5 million

Спрашивай.ру

In May 2015, Спрашивай.ру (a the Russian website for anonymous reviews) was reported to have had 6.7 million user details exposed by a hacker known as "w0rm". Intended to be a site for expressing anonymous opinions, the leaked data included email addresses, birth dates and other personally identifiable data about almost 3.5 million unique email addresses found in the leak.

Record: 3.5 million

NemoWeb

In September 2016, almost 21GB of data from the French website used for "standardised and decentralized means of exchange for publishing newsgroup articles" NemoWeb was leaked from what appears to have been an unprotected Mongo DB. The data consisted of a large volume of emails sent to the service and included almost 3.5M unique addresses, albeit many of them auto-generated. Multiple attempts were made to contact the operators of NemoWeb but no response was received.

Record: 3.5 million

Dunzo

In approximately June 2019, the Indian delivery service Dunzo suffered a data breach. Exposing 3.5 million unique email addresses, the Dunzo breach also included names, phone numbers and IP addresses which were all broadly distributed online via a hacking forum. The data was provided to HIBP by dehashed.com.

Record: 3.5 million

InterPals

In late 2015, the online penpal site InterPals had their website hacked and 3.4 million accounts exposed. The compromised data included email addresses, geographical locations, birthdates and salted hashes of passwords.

Record: 3.4 million

Go Games

In approximately October 2015, the manga website Go Games suffered a data breach. The exposed data included 3.4M customer records including email and IP addresses, usernames and passwords stored as salted MD5 hashes. Go Games did not respond when contacted about the incident. The data was provided to HIBP by dehashed.com.

Record: 3.4 million

Paytm

In August 2020, the Indian payment provider Paytm was reported as having suffered a data breach and subsequent ransom demand, after which the data was circulated publicly. Further investigation into the data concluded that the breach was fabricated and did not originate from Paytm. The impacted data covered 3.4M unique email addresses along with names, phone numbers, genders, dates of birth, income levels and previous purchases.

Record: 3.4 million