The video shows whether your email address and corresponding password has already been compromised in a previous data breach

To find pwned emails – 

• Navigate to the websitehttps://haveibeenpwned.com/
• Enter the email ID to be checked for pwnage

If the result shows “Oh no – pwned!”  it mean that your email address has already been compromised in a previous data breach. In that case, you must change the passwords immediately!