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NormShield uses what is called Open Source Intelligence (OSINT) to gather information. As seen in the following diagram, passive scan doesn't touch the target company assets. Instead we find all required data from the internet, including search engine caches, archive[.]org, internet-wide scanners, VirusTotal, PassiveTotal, hacker sites, paste sites, deep/dark web, etc.
How to get started
Please Email cybersec@columbia.edu with your request, indicating your departmental affiliation and security contact email address.