Having your data being exposed via a breach that is no fault of your own is not fun. Luckily, there are some useful breach detection engines out there that you can utilize to see if your name or email address is associated with any known breaches from major sites. "Have I Been Pwned" is one of those engines. They keep a collection of all the large breaches that have happened and also allow you to subscribe to notifications if you are ever impacted by a future breach. They also have a restful API