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Double Counter, a Discord server protection service, suffered a data breach in October 2026 affecting approximately 275,000 accounts, exposing email addresses, Discord usernames, and limited subscriber details.
Golf Canada had approximately 569,000 user records allegedly exposed in mid-2026, with the data later circulating on Telegram.
In August 2026, unauthorized access to the Fanlore wiki exposed approximately 145,000 accounts including email addresses, usernames, names, and hashed passwords.
In August 2026, approximately 4.6 million unique Chess.com user records including names, usernames, email addresses, and geographic locations were posted online, with analysis suggesting the data was obtained through scraping.
Sysco, a food distribution company, had data on approximately 2.7 million staff and customers exposed after a ShinyHunters extortion campaign resulted in the publication of corporate contact information.
JCPenney suffered a data breach in June 2026 when ShinyHunters exploited a zero-day vulnerability in Oracle PeopleSoft, exposing personal and HR data for approximately 368,000 current and former employees.
Infinite Campus, a student information system, had data on approximately 137,000 accounts stolen and published by the ShinyHunters group in March 2026 following an extortion campaign.
Edmunds, the automotive research and car-shopping platform, had data on approximately 178,000 accounts exposed after the ShinyHunters hacking group claimed a breach in January 2026.
Atlas Menu, a GTA V and CS2 cheat service, had its database published to a public GitHub repository in May 2026, exposing data for approximately 64,000 accounts.
In January 2021, the Windows93 parody site's Myspace93 sub-site was breached via an exploited beta application, exposing data from approximately 46,000 accounts.
Dragonica Lunaris, a European private game server, suffered a data breach in December 2025 that exposed account data for approximately 126,000 users.
SongTrivia2, a music trivia platform, suffered a data breach in April 2026 affecting approximately 292,000 accounts, with data subsequently published to a public hacking forum.
Scuf Gaming suffered a data breach in June 2015 that exposed approximately 129,000 user accounts including email addresses, usernames, display names, IP addresses, and password hashes.
RuneScape Boards, a vBulletin-based forum, suffered a data breach in 2011 that exposed approximately 223,000 user accounts.
Provecho, a recipe and meal planning service, suffered a data breach in early 2026 affecting approximately 713,000 users.
Divine Skins, a League of Legends custom skins service, disclosed a data breach affecting over 105,000 users in March 2026.
BreachForums Version 5, a hacking forum, suffered a breach in March 2026 exposing approximately 340,000 user accounts with email addresses, usernames, and password hashes.
A November 2025 breach of Beckett Collectibles reportedly exposed account and contact information associated with approximately one million email addresses.