Why do i see someone elses portal as an error?

Why do i see someone elses portal as an error?

We havent yet added an SSL certificate on our webdomain. Put i noticed something weird here.

Why do i see aome other portal in this error?
portal.bayshoretechsolutions.com

They seem to have a Zoho portal as well, but i get the warning about an certificate which has been give by this site???

This doesnt make any sense to me?