In April 2018, the Pokémon website known as Smogon announced they'd suffered a data breach. The breach dated back to September 2017 and affected their XenForo based forum. The exposed data included usernames, email addresses, genders and both bcrypt and MD5 password hashes.

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In approximately 2014, it's alleged that the Chinese Android store known as HIAPK suffered a data breach that impacted 13.8 million unique subscribers. Whilst there is evidence that the data is legitimate, due to the difficulty of emphatically verifying the Chinese breach it has been flagged as “unverified”. The data in the breach contains usernames, email addresses and salted MD5 password hashes and was provided to HIBP by white hat security researcher and data analyst Adam Davies. Read more about Chinese data breaches in Have I been pwned.

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In August 2016, the Swiss scholarly open access publisher known as MDPI had 17.5GB of data obtained from an unprotected Mongo DB instance. The data contained email exchanges between MDPI and their authors and reviewers which included 845k unique email addresses. MDPI have confirmed that the system has since been protected and that no data of a sensitive nature was impacted. As such, they concluded that notification to their subscribers was not necessary due to the fact that all their authors and reviewers are available online on their website.

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In approximately July 2016, the manga website known as mangafox.me suffered a data breach. The vBulletin based forum exposed 1.3 million accounts including usernames, email and IP addresses, dates of birth and salted MD5 password hashes.

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In February 2018, a massive collection of almost 3,000 alleged data breaches was found online. Whilst some of the data had previously been seen in Have I Been Pwned, 2,844 of the files consisting of more than 80 million unique email addresses had not previously been seen. Each file contained both an email address and plain text password and were consequently loaded as a single “unverified” data breach.

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In April 2017, the vBulletin forum for the Underworld Empire game suffered a data breach that exposed 429k accounts. The data was then posted to a hacking forum in mid-February 2018 where it was made available to download. The source data contained IP and email addresses, usernames and salted MD5 hashes.

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In June 2017, the online playlists service known as 8Tracks suffered a data breach which impacted 18 million accounts. In their disclosure, 8Tracks advised that “the vector for the attack was an employee’s GitHub account, which was not secured using two-factor authentication”. Salted SHA-1 password hashes for users who didn't sign up with either Google or Facebook authentication were also included. The data was provided to HIBP by whitehat security researcher and data analyst Adam Davies and contained almost 8 million unique email addresses.

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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.

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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.

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In November 2017, the open television database known as TheTVDB.com suffered a data breach. The breached data was posted to a hacking forum and included 182k records with usernames, email addresses and MySQL password hashes.

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