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Free Online Tools for Looking up Potentially Malicious Websites

A curated list of free online tools for investigating potentially malicious websites, ranging from services that provide historical reputation data to those that examine URLs in real time. Options include VirusTotal for checking databases, urlscan.io for live analysis, and specialized tools for detecting phishing, scams, and malware.

Free Online Tools for Looking up Potentially Malicious Websites - illustration

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? 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 cybersecurity executive with deep technical roots, product management experience, and a business mindset. As CISO at Axonius, he leads the security and IT program, focusing on trust and growth. He is also a Faculty Fellow at SANS Institute and the creator of REMnux, a popular Linux toolkit for malware analysis. Lenny shares his perspectives on security leadership and technology at zeltser.com.

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