In November 2020, a collection of more than 23,000 allegedly breached websites known as Cit0day were made available for download on several hacking forums. The data consisted of 226M unique email address alongside password pairs, often represented as both password hashes and the cracked, plain text versions. Independent verification of the data established it contains many legitimate, previously undisclosed breaches. The data was provided to HIBP by dehashed.com.
In late 2021, email address and plain text password pairs from the rap mixtape website DatPiff appeared for sale on a popular hacking forum. The data allegedly dated back to an earlier breach and in total, contained almost 7.5M email addresses and cracked password pairs. The original data source allegedly contained usernames, security questions and answers and passwords stored as MD5 hashes with a static salt.
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In early 2021, the Polish torrents website Devil-Torrents.pl suffered a data breach. A subset of the data including 63k unique email addresses and cracked passwords were subsequently socialised on a popular data breach sharing service.
In approximately October 2015, the online gaming forum known as Gamerzplanet was hacked and more than 1.2M accounts were exposed. The vBulletin forum included IP addresses and passwords stored as salted hashes using a weak implementation enabling many to be rapidly cracked.
In October 2020, a security researcher published a technique for scraping large volumes of data from Gravatar, the service for providing globally unique avatars . 167 million names, usernames and MD5 hashes of email addresses used to reference users' avatars were subsequently scraped and distributed within the hacking community. 114 million of the MD5 hashes were cracked and distributed alongside the source hash, thus disclosing the original email address and accompanying data. Following the impacted email addresses being searchable in HIBP, Gravatar release an FAQ detailing the incident.
In September 2013, the online image sharing community imgur suffered a data breach. A selection of the data containing 1.7 million email addresses and passwords surfaced more than 4 years later in November 2017. Although imgur stored passwords as SHA-256 hashes, the data in the breach contained plain text passwords suggesting that many of the original hashes had been cracked. imgur advises that they rolled over to bcrypt hashes in 2016.
During 2015, the iPmart forum (now known as Mobi NUKE) was hacked and over 2 million forum members' details were exposed. The vBulletin forum included IP addresses, birth dates and passwords stored as salted hashes using a weak implementation enabling many to be rapidly cracked. A further 368k accounts were added to "Have I Been Pwned" in March 2016 bringing the total to over 2.4M.
In August 2020, the workout tracking app Jefit suffered a data breach. The data was subsequently sold within the hacking community and included over 9 million email and IP addresses, usernames and passwords stored as either vBulletin or argon2 hashes. Several million cracked passwords later appeared in broad circulation.
In June 2012, the multiplayer online game League of Legends suffered a data breach. At the time, the service had more than 32 million registered accounts and the breach affected various personal data attributes including "encrypted" passwords. In 2018, a 339k record subset of the data emerged with email addresses, usernames and plain text passwords, likely cracked from the original cryptographically protected ones.
In May 2016, LinkedIn had 164 million email addresses and passwords exposed. Originally hacked in 2012, the data remained out of sight until being offered for sale on a dark market site 4 years later. The passwords in the breach were stored as SHA1 hashes without salt, the vast majority of which were quickly cracked in the days following the release of the data.
In July 2017, the Czech Republic e-commerce site MALL.cz suffered a data breach after which 735k unique accounts including email addresses, names, phone numbers and passwords were later posted online. Whilst passwords were stored as hashes, a number of different algorithms of varying strength were used over time. All passwords included in the publicly distributed data were in plain text and were likely just those that had been successfully cracked (members with strong passwords don't appear to be included). According to MALL.cz, the breach only impacted accounts created before 2015.
In November 2014, the Malwarebytes forum was hacked and 111k member records were exposed. The IP.Board forum included email and IP addresses, birth dates and passwords stored as salted hashes using a weak implementation enabling many to be rapidly cracked.
In June 2014, the Manga trading website Mangatraders.com had the usernames and passwords of over 900k users leaked on the internet (approximately 855k of the emails were unique). The passwords were weakly hashed with a single iteration of MD5 leaving them vulnerable to being easily cracked.
In June 2015, the French Minecraft server known as Minefield was hacked and 188k member records were exposed. The IP.Board forum included email and IP addresses, birth dates and passwords stored as salted hashes using a weak implementation enabling many to be rapidly cracked.
In June 2018, the massively multiplayer online role-playing game (MMORPG) Mortal Online suffered a data breach. A file containing 570k email addresses and cracked passwords was subsequently distributed online. A larger more complete file containing 607k email addresses with original unsalted MD5 password hashes along with names, usernames and physical addresses was later provided and the original breach in HIBP was updated accordingly. The data was provided to HIBP by whitehat security researcher and data analyst Adam Davies.
In February 2022, microchip company NVIDIA suffered a data breach that exposed employee credentials and proprietary code. Impacted data included over 70k employee email addresses and NTLM password hashes, many of which were subsequently cracked and circulated within the hacking community.
In approximately August 2013, the World of Warcraft exploits forum known as OwnedCore was hacked and more than 880k accounts were exposed. The vBulletin forum included IP addresses and passwords stored as salted hashes using a weak implementation enabling many to be rapidly cracked.
In July 2015, the discussion forum for Plex media centre was hacked and over 327k accounts exposed. The IP.Board forum included IP addresses and passwords stored as salted hashes using a weak implementation enabling many to be rapidly cracked.
In approximately July 2015, the Sony Playstation hacks and mods forum known as PS3Hax was hacked and more than 447k accounts were exposed. The vBulletin forum included IP addresses and passwords stored as salted hashes using a weak implementation enabling many to be rapidly cracked.
In approximately February 2015, the Sony Playstation forum known as PSX-Scene was hacked and more than 340k accounts were exposed. The vBulletin forum included IP addresses and passwords stored as salted hashes using a weak implementation enabling many to be rapidly cracked.
In late 2015, the gaming website R2Games was hacked and more than 2.1M personal records disclosed. The vBulletin forum included IP addresses and passwords stored as salted hashes using a weak implementation enabling many to be rapidly cracked. A further 11M accounts were added to "Have I Been Pwned" in March 2016 and another 9M in July 2016 bringing the total to over 22M.
In November 2016, the game developer Suba Games suffered a data breach which led to the exposure of 6.1M unique email addresses. Impacted data also included usernames and passwords, most of which appeared circulating in the breached file in plain text after being cracked from salted MD5 hashes. The data was provided to HIBP by dehashed.com.
In approximately February 2015, the Xbox forum known as Xbox-Scene was hacked and more than 432k accounts were exposed. The IP.Board forum included IP addresses and passwords stored as salted hashes using a weak implementation enabling many to be rapidly cracked. 2ff7e9595c
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