What are a denial of service attack, back door and spoofing?
A denial of service attack is an assault whichdisrupts computer access to an Internet service such as the Web or e-mail
A back door is a program or set of instructionsin a program that allow users to bypasssecurity controls when accessing a computerresource
Spoofing is a technique intruders use to maketheir network or Internet transmissionappear legitimate to a victim computer ornetwork