2017 — Bell: Somebody claiming to be behind the attack has… 2017 1.9M records affected Share on X Technical writeup May 2017. Somebody claiming to be behind the attack has threatened Bell with more leaks if they don't cooporate. Root cause Hacked Referenceshttp://www.cbc.ca/beta/news/technology/bell-data-breach-customer-names-phone-numbers-emails-leak-1.4116608