Boxee

In March 2014, the home theatre PC software maker Boxee had their forums compromised in an attack. The attackers obtained the entire vBulletin MySQL database and promptly posted it for download on the Boxee forum itself. The data included 160k users, password histories, private messages and a variety of other data exposed across nearly 200 publicly exposed tables.

Record: 158093

Artvalue

In June 2019, the France-based art valuation website Artvalue.com left their 158k member subscriber base publicly exposed in a text file on their website. The exposed data included names, usernames, email addresses and passwords stored as MD5 hashes. The site operator did not respond when contacted about the incident, although the exposed file was subsequently removed.

Record: 157692

Rbx.Rocks

In August 2018, the Roblox trading site Rbx.Rocks suffered a data breach. Almost 25k records were sent to HIBP in November and included names, email addresses and passwords stored as bcrypt hashes. In July 2019, a further 125k records emerged bringing the total size of the incident to 150k. The website has since gone offline with a message stating that "Rbx.Rocks v2.0 is currently under construction".

Record: 149958

Muslim Match

In June 2016, the Muslim Match dating website had 150k email addresses exposed. The data included private chats and messages between relationship seekers and numerous other personal attributes including passwords hashed with MD5.

Record: 149830

WPT Amateur Poker League

In January 2014, the World Poker Tour (WPT) Amateur Poker League website was hacked by the Twitter user @smitt3nz. The attack resulted in the public disclosure of 175,000 accounts including 148,000 email addresses. The plain text password for each account was also included in the breach.

Record: 148366

Linux Mint

In February 2016, the website for the Linux distro known as Linux Mint was hacked and the ISO infected with a backdoor. The site also ran a phpBB forum which was subsequently put up for sale complete with almost 145k email addresses, passwords and other personal subscriber information.

Record: 144989

Autocentrum.pl

In February 2018, data belonging to the Polish motoring website autocentrum.pl was found online. The data contained 144k email addresses and plain text passwords.

Record: 143717

Guns and Robots

In approximately April 2016, the gaming website Guns and Robots suffered a data breach resulting in the exposure of 143k unique records. The data contained email and IP addresses, usernames and SHA-1 password hashes. The site was previously reported as compromised on the Vigilante.pw breached database directory.

Record: 143569

BlackSpigotMC

In July 2019, the hacking website BlackSpigotMC suffered a data breach. The XenForo forum based site was allegedly compromised by a rival hacking website and resulted in 8.5GB of data being leaked including the database and website itself. The exposed data included 140k unique email addresses, usernames, IP addresses, genders, geographic locations and passwords stored as bcrypt hashes.

Record: 140029

StarNet

In February 2015, the Moldavian ISP "StarNet" had it's database published online. The dump included nearly 140k email addresses, many with personal details including contact information, usage patterns of the ISP and even passport numbers.

Record: 139395