UHack security incident history
Hacking, data breaches and other security incidents involving UHack, with related coverage.
Incidents: 1 · Most recent
Account data from 2013 hack of Russian UHack forum recirculates online
107kImpact: Account information for approximately 107,000 forum members was leaked. Including other victims' credentials contained in posts, the data comprised approximately 7.2 million unique email addresses.
A hack of the Russian cybercrime forum UHack in May 2013 exposed the email addresses, usernames, IP addresses and MD5 password hashes of approximately 107,000 members. The leaked material also contained email and password pairs belonging to other victims that members had posted, bringing the total to approximately 7.2 million unique email addresses. The historical breach data resurfaced and was added to HIBP on 11 November 2026.
Related reports: 3 · last report →