Famm

In late 2020, the Japanese family photos website Famm suffered a data breach that subsequently exposed 1.3M customer records, including 535k unique email addresses. Impacted data also included names, dates of birth, genders and passwords stored as SHA-256 hashes.

Record: 535240

La Poste Mobile

In July 2022, the French telecommunications company La Poste Mobile was the target of an attack by the LockBit ransomware which resulted in company data being published publicly. The impacted data included 533k unique email addresses along with names, physical addresses, phone numbers, dates of births, genders and banking information. 10 days after the attack, the La Poste Mobile website remained offline.

Record: 533886

Battlefield Heroes

In June 2011 as part of a final breached data dump, the hacker collective "LulzSec" obtained and released over half a million usernames and passwords from the game Battlefield Heroes. The passwords were stored as MD5 hashes with no salt and many were easily converted back to their plain text versions.

Record: 530270

Unreal Engine

In August 2016, the Unreal Engine Forum suffered a data breach, allegedly due to a SQL injection vulnerability in vBulletin. The attack resulted in the exposure of 530k accounts including usernames, email addresses and salted MD5 hashes of passwords.

Record: 530147

vBulletin

In November 2015, the forum software maker vBulletin suffered a serious data breach. The attack lead to the release of both forum user and customer accounts totalling almost 519k records. The breach included email addresses, birth dates, security questions and answers for customers and salted hashes of passwords for both sources.

Record: 518966

Open CS:GO

In December 2017, the website for purchasing Counter-Strike skins known as Open CS:GO (Counter-Strike: Global Offensive) suffered a data breach (address since redirects to dropgun.com). The 10GB file contained an extensive amount of personal information including email and IP addresses, phone numbers, physical addresses and purchase histories. Numerous attempts were made to contact Open CS:GO about the incident, however no responses were received.

Record: 512311

Short Édition

In June 2021, the French publishing house of short literature Short Édition suffered a data breach that exposed 505k records. Impacted data included email and physical addresses, names, usernames, phone numbers, dates of birth, genders and passwords stored as either salted SHA-1 or salted SHA-512 hashes. Short Édition self-submitted the impacted data to HIBP.

Record: 505466

Kimsufi

In mid-2015, the forum for the providers of affordable dedicated servers known as Kimsufi suffered a data breach. The vBulletin forum contained over half a million accounts including usernames, email and IP addresses and passwords stored as salted MD5 hashes.

Record: 504565

Powerbot

In approximately September 2014, the RuneScape bot website Powerbot suffered a data breach resulting in the exposure of over half a million unique user records. The data contained email and IP addresses, usernames and salted MD5 hashes of passwords. The site was previously reported as compromised on the Vigilante.pw breached database directory.

Record: 503501

Bitcoin Talk

In May 2015, the Bitcoin forum Bitcoin Talk was hacked and over 500k unique email addresses were exposed. The attack led to the exposure of a raft of personal data including usernames, email and IP addresses, genders, birth dates, security questions and MD5 hashes of their answers plus hashes of the passwords themselves.

Record: 501407