The Equifax Data breach is one of the largest and most impactful data breaches over the last few years. The breach gave hackers access to over 143 million records.
The basics of the breach in the US, UK, and Canada are well known:
Hackers had access to 143 million records between the months of May and August. Equifax discovered the breach on July 29, but did not disclose it to the public until September 7.