1Password Watchtower

1Password Watchtower is a service that identifies websites that are vulnerable to Heartbleed, and will suggest which sites need to have their passwords changed.

What is Heartbleed?

Heartbleed is a problem in OpenSSL, a software library used by most websites to secure your communication. Read our Heartbleed blog post for more details.

Check this website

Enter a domain name (e.g. into the field below. The 1Password Watchtower service will check the status of the website and advise you on steps you should take.