Whois queries are used to determine the IP address ranges associated with clients. A whois query can be run on most UNIX environments. In a Windows environment, the tools such as WsPingPro and Sam Spade can be used to perform whois queries. Whois queries can also be executed over the Web from www.arin.net and www.networksolutions.com.

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DoS vulnerabilities

Denial Of Service Overview DoS or Denial Of Service vulnerabilities will occur if there is some type of bottleneck within the software application. This could cause excessive cpu usage, memory

DNS disaster: first attacks reported

The first attacks that are likely to have stemmed from a serious Domain Name System flaw have been reported. Dan Kaminsky (Credit: Kaminsky’s blog) The existence of the Domain Name

What are the general classes of hackers?

Hackers are categorized into the following classes: * Black Hat Hackers (Crackers): These are persons who are computer specialists and use their hacking skills to carry out malicious attacks on