A free service, Have I Been Pwned, allows users to check if their online accounts have been compromised in a data breach.
Cybersecurity expert Troy Hunt has added 183 million accounts to the database, making it a valuable resource for checking the security of your online accounts.
Have I Been Pwned is a data breach "search engine" that shows whether your online accounts have likely been 'pwned,' or compromised, in a data breach.
Author's summary: Check your online account security for free.