Free Online Tools for Looking up Potentially Malicious Websites

Several organizations offer free online 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.

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About the Author

I design practical security solutions and shepherd them to a sustainable state. I used to be hands-on in many areas of cybersecurity and IT. Now I focus on strategy and leadership, treating security as an enabler that helps people and companies achieve their goals. As the CISO of Axonius, I lead the security program to earn customers' trust and fuel the company's growth. Earlier, I built security products and services. I'm also a Faculty Fellow at SANS Institute, where I help professionals develop malware analysis skills.

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