This information is commonly found in the information-gathering phase of an assessment or planned attack. A whois lookup can reveal organizational details, IP ranges to scan and the email addresses of technical staff. Useful for tracking down attackers when defending or finding targets to attack when on the offensive. If you are running a Linux or *nix based system installation of a whois the client is generally a simple matter.
There are many uses for Whois data that can be utilized by attackers and defenders in the information security sector.īy having access to whois online it is possible to gather the required information without having a whois client installed on your system. An Online Whois Checker is an easy and fast way to find the ISP, Hosting provider and contact details for a domain or IP address.
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