[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f5qkq3q2dxjk8":3},{"success":4,"breach":5},true,{"_id":6,"name":7,"title":8,"slug":7,"domain":9,"breachDate":10,"addedDate":11,"publishedAt":12,"modifiedDate":13,"contentUpdatedAt":14,"source":15,"sourceUrl":16,"sourceUrls":17,"pwnCount":18,"affectedCount":18,"affectedCountStatus":19,"affectedCountLowerBound":12,"affectedCountUnit":20,"hasEnglishDescription":4,"contentLocale":21,"availableLocales":22,"translations":24,"severity":27,"dataClasses":28,"description":33,"seoTitle":34,"seoDescription":35,"logoUrl":36,"isVerified":37,"isSensitive":4,"isSpamList":37,"isMalware":37,"company":38},"6a457246d3ccc1f59ace5f48","ufc-fight-club-forums","UFC Fight Club Forums Alleged Data Exposure","forums.ufcfightclub.com","2017-11-01T00:00:00.000Z","2026-07-01T20:02:13.101Z",null,"2026-09-17T16:27:41.515Z","2026-09-17T17:05:08.212Z","Third party breach","https:\u002F\u002Fufc.com\u002F",[16],239283,"known","email_identifiers","en",[21,23],"tr",{"en":25,"tr":26},{"slug":7},{"slug":7},"High",[29,30,31,32],"Email addresses","IP addresses","Passwords","Usernames","\u003Cp>The UFC Fight Club Forums data leak is listed as a dataset covering approximately 239,283 user records associated with the UFC fan forum and membership community, dating back to November 2017. The records include email addresses, IP addresses, usernames, and password hashes. Since there is no official notification, the verification level is limited, but users should check for password reuse as the forum account and password fields were included together.\u003C\u002Fp>\n\u003Ch2>Leaked Data Types and Risks\u003C\u002Fh2>\n\u003Cp>When email, username, IP address, and password hash are found together in forum leaks, attackers can attempt both account takeover and online identity matching. A password hash is not a plain text password; however, it can be cracked if the password is weak or the hashing method is old. The IP address can give a clue about the approximate connection area. In the context of a sports fan community, messages like fake tickets, membership renewal, special events, broadcast links, or fan club rewards can seem more convincing. If the username is used on other platforms, the risk increases.\u003C\u002Fp>\n\u003Ch2>Verified Scope and Boundaries\u003C\u002Fh2>\n\u003Cp>This record appears in open data lists with similar dates and fields; the verification flag on LeakData is off because there is no direct notification published by the company or forum administrator. The record refers to an approximate row count and should not be read as the number of unique individuals. The description does not include payment card, private message, ticket history, or membership package fields. Data classes are limited to email, username, IP, and password hashes. This approach allows focusing on realistic security action without presenting unverified additional claims to the user.\u003C\u002Fp>\n\u003Ch2>User Groups at Risk\u003C\u002Fh2>\n\u003Cp>At-risk users are those who have created accounts on the UFC Fight Club forums, used the same username on other sports forums or social media accounts, and reused the same password. In fan communities, users may respond more quickly to messages about campaigns, tickets, memberships, or fight broadcasts that appear official. Even if old forum accounts are forgotten, the same password may still be active on other accounts. An IP address and username can help an attacker tailor a message according to the region or fan interest. Users who use corporate email should also check their work accounts separately.\u003C\u002Fp>\n\u003Ch2>Urgent Measures to Be Taken\u003C\u002Fh2>\n\u003Cp>Users whose accounts have been matched should remove the password they may have used on the forum from other accounts. Unique passwords should be used for email, social media, sports streaming platforms, ticket sales, and payment accounts. Multi-factor authentication should be enabled on the email account, and unknown logins and password reset alerts should be reviewed. Ticket, streaming, fan club membership, or private event links should be verified through the official channel. Be cautious of fake messages on other platforms with the same username. If the old forum account can be accessed, the password should be changed or the account should be closed.\u003C\u002Fp>\n\u003Ch2>Long-Term Security Strategies\u003C\u002Fh2>\n\u003Cp>In the long term, forum accounts should not be seen as low-value; when the same password is used, they can be a transition point to more critical accounts. Users should use a unique password and, if possible, a separate email for each forum. Forum administrators should offer modern password hashing, IP retention time limits, old account cleanup, and account deletion options accessible to users. Official announcements in fan communities should be made through clear channels, and users should be warned about fake ticket and broadcast links. A password manager and regular account inventory are the most practical ways to reduce old forum risks.\u003C\u002Fp>\n\u003Ch2>Record Control and User Action\u003C\u002Fh2>\n\u003Cp>LeakData check shows whether your email address matches the UFC Fight Club Forums registration. If there is a match, the priority is to eliminate password reuse and protect your email account. Carefully review unexpected sports-themed links, ticket offers, and membership renewal messages. Not finding a match may exclude old forum accounts opened with a different email address. Although this record has not been officially confirmed by notification, it should be subject to security review due to password hashes and IP addresses.\u003C\u002Fp>","UFC Fight Club Forums Alleged Data Exposure (239.3 Thousand Email Identifiers)","UFC Fight Club Forums Alleged Data Exposure. 239.3 Thousand email identifiers are reported. Reported data: Email addresses, IP addresses, Passwords. Review…","\u002Fuploads\u002Flogo\u002Fufc-fight-club.png",false,{"name":39,"sector":40,"country":41,"website":9,"websiteArchiveUrl":42,"websiteStatus":43,"websiteCheckedAt":44},"UFC Fight Club","Sports Forum \u002F Fan Community","United States","https:\u002F\u002Fweb.archive.org\u002Fweb\u002F20230806195004\u002Fhttps:\u002F\u002Fforums.ufcfightclub.com\u002F","archived","2026-07-29T11:30:22.391Z"]