"Stay in control of your Internet presence. Domain stolen, blacklisted, hosting malware? Unaware? Protect your brand, your site and your customers. Avoid any traffic loss from being blacklisted. Our Web Integrity Monitor solution will detect unauthorized changes to your web sites, DNS, Whois or SSL certificates. Be notified instantly via email or twitter if your site is hosting malware, blacklisted, hacked or unavailable. Link: http://sucuri.net " Would love to hear your thoughts about it...
Seems like a good service. Of course, unauthorized changes to a site are not always something you can see in a screenshot.