What is VirusTotal?

VirusTotal is a free online service that analyzes files and URLs for viruses, worms, trojans, and other kinds of malicious content. Users can upload files or submit URLs to VirusTotal, which then scans them using a large number of antivirus engines and website scanners. The results are presented to the user, providing insights into the potential threats associated with the submitted content. It's commonly used to verify if a file or website is safe before opening or visiting it, and also by security professionals for threat intelligence gathering.