In April 2021, the account hijacking and SIM swapping forum OGusers suffered a data breach, the fourth since December 2018. The breach was subsequently sold on a rival hacking forum and contained usernames, email and IP addresses and passwords stored as either salted MD5 or argon2 hashes. A total of 348k unique email addresses appeared in the breach.

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In May 2021, the Grand Theft Auto Online cheats website Paragon Cheats suffered a data breach that lead to the shutdown of the service. The breach exposed 188k customer records including usernames, email and IP addresses. The data was provided to HIBP by a source who requested it be attributed to “VRAirhead and xFueY”.

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In late March 2022, the Sri Lankan payment gateway PayHere suffered a data breach that exposed more than 65GB of payment records including over 1.5M unique email addresses. The data also included IP and physical addresses, names, phone numbers, purchase histories and partially obfuscated credit card data (card type, first 6 and last 4 digits plus expiry date). More than a month later, no disclose notice could be found despite the promise of a detailed incident report.

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In mid-2019, the video game cheats website “Aimware” suffered a data breach that exposed hundreds of thousands of subscribers' personal information. Data included email and IP addresses, usernames, forum posts, private messages, website activity and passwords stored as salted MD5 hashes. The data was provided to HIBP by a source who requested it be attributed to “clerk/anthrax/soontoberichh”.

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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.

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In approximately December 2019, an alleged data breach of the lawyer directory service Avvo was published to an online hacking forum and used in an extortion scam (it's possible the exposure dates back earlier than that). The data contained 4.1M unique email addresses alongside SHA-1 hashes, most likely representing user passwords. Multiple attempts at contacting Avvo over the course of a week were unsuccessful and the authenticity of the data was eventually verified with common Avvo and HIBP subscribers.

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In November 2021, the Indonesian real estate website Travelio suffered a data breach that exposed over 470k customer accounts. The data included email addresses, names, password hashes, phone numbers and for some accounts, dates of birth, physical address and Facebook auth tokens. The data was provided to HIBP by a source who requested it be attributed to “white_peacock@riseup.net”.

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In January 2020, motorcycle maker Royal Enfield left a database publicly exposed that resulted in the inadvertent publication of over 400k customers. The impacted data included email and physical addresses, names, motorcycle information, social media profiles, passwords, and other personal information. The data was provided to HIBP by a source who requested it be attributed to “white_peacock@riseup.net”.

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In November 2021, web host ZAP-Hosting suffered a data breach that exposed over 60GB of data containing 746k unique email addresses. The breach also contained support chat logs, IP addresses, names, purchases, physical addresses and phone numbers.

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In early 2022, a collective known as IT Army whose stated goal is to “completely de-anonymise most Russian users by leaking hundreds of gigabytes of databases” published over 30GB of data allegedly sourced from Russian courier service CDEK. The data contained over 19M unique email addresses along with names and phone numbers. The authenticity of the breach could not be independently established and has been flagged as “unverfieid”.

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