2017 — Instagram: Instagram said at least one hacker was able to…
Data compromised
Personal information
Technical writeup
Instagram said at least one hacker was able to steal personal information from high-profile user accounts, blaming the breach on a bug in its system that has now been fixed. We recently discovered that one or more individuals obtained unlawful access to a number of high-profile Instagram users' contact information - specifically email address and phone number - by exploiting a bug in an Instagram API, a rep said in a statement.
Root cause
Hacking