Cybersecurity incident — 2016-06-14 00:00:00
Affected organization: GitHub
Affected country: United States of America
Industry: Information
Event type: Exploitive
Event subtype: Exploitation of Application Server
Motive: Undetermined
Actor: Undetermined
Actor type: Criminal
Actor country: Undetermined

Someone using what appears to have been a list of e-mail addresses and passwords obtained from the breach of "other online services" makes a massive number of login attempts to GitHub's repository service.