Below is a good site which you can use to check whether your data was compromised in any data breach happened. This is free for personal use but for enterprises they can pay and use the service.
Have I Been Pwned: Check if your email has been compromised in a data breach
The site is the work of an Australian security researcher who is a Microsoft regional director named Troy Hunt. He is also a MVP and an internationally active speaker in web security space.
Arjuna's space 