A website owner recently reached out to us about a pop-up advertisement problem on their website which occurred any time someone clicked anywhere on the web page.

This irritating pop-up didn’t come from malware placed in the website’s files or database, but rather from a single JavaScript source that the owner added to a widget:

At one point, this external JavaScript file had been used for affiliate tracking purposes, but the domain had expired earlier this year and registered by a new owner.

Continue reading How Domain Expiration Can Potentially Disrupt Other Websites at Sucuri Blog.

Via Sucuri.net