MidState Design Recommends Sucuri
For Your Website Security Needs
Sucuri has a free website/URL scanner that is trusted by professionals around the world. They also provide many premium services for website owners.
More Free Online Website Security Tools
VirusTotal is a free service that analyzes suspicious files and URLs and facilitates the quick detection of viruses, worms, trojans, and other types of malware.
Webroot has a tool called “Brightcloud” that I highly recommend you use to check your website status.
Trend Micro scans websites to see if any malware is present.
Comodo Web Inspector is a tool that allows you to enter a URL to check if it’s malicious, or not.
Mozilla, the makers of the Firefox browser, also have a tool they’ve dubbed “Observatory“