Free Online Tools for Looking up Potentially Malicious Websites

Several organizations offer free on-line tools for looking up a potentially malicious website. Some of these tools provide historical information; others examine the URL in real time to identify threats:

Any on-line tools that should be on this list, but are missing? Let me know. My other lists of on-line security resources outline Automated Malware Analysis Services and Blocklists of Suspected Malicious IPs and URLs.


About the Author

Lenny Zeltser is a seasoned business and technology leader with extensive information security experience. He presently oversees the financial success and expansion of infosec services and SaaS products at NCR. He also trains incident response and digital forensics professionals at SANS Institute. Lenny frequently speaks at industry events, writes articles and has co-authored books. He has earned the prestigious GIAC Security Expert designation, has an MBA from MIT Sloan and a Computer Science degree from the University of Pennsylvania.

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