Exam 9: Network and Internet Security

It is important to select strong passwords and change them frequently.

Discuss online auction fraud.

Biometric authentication uses information that an individual should know or can easily remember.

A(n)____________________ access system is an identification system that requires the individual requesting access to provide information that only the authorized user is supposed to know.

Information used in identity theft can be obtained by skimming or via social engineering.

When a digitally signed document is received,the recipient's computer uses the sender's ____ key to verify the digital signature.

Writing a computer virus or other type of malware or even posting the malware code on the Internet is not illegal,but it is considered highly unethical and irresponsible behavior.

A(n)denial of service (DoS)attack is an act of sabotage that attempts to flood a network server or Web server with so many requests for action that it cannot handle legitimate requests any longer.

Case 9-2 Fernando has been having problems with his computer.He takes it to his local computer repair shop to be checked and finds out that his computer has a number of malware that he was not even aware of. -The technician tells Fernando that his computer has a ____,which might have gotten into Fernando's computer when he downloaded a free computer game from the Internet.

Computer crime is sometimes referred to as ____.

Wi-Fi security features work by default.

To protect yourself against ____________________ and other types of online harassment,use gender-neutral,nonprovocative identifying names.

____ can be extremely distressing for victims,can take years to straighten out,and can be very expensive.

____,the most commonly used type of possessed knowledge,are secret words or character combinations associated with an individual.

Private key encryption is also called symmetric key encryption.

The ____,implemented in 2001,grants federal authorities expanded surveillance and intelligence-gathering powers,such as broadening their ability to obtain the real identity of Internet users and to intercept Internet communications.

Possessed knowledge access systems use physical objects for identification purposes and are frequently used to access facilities and computer systems.

Like a computer virus,a ____ is a malicious program designed to cause damage.

How do firewalls work?

-____ software,such as that shown in the accompanying figure,can control which devices can be connected to an employee's computer.