Exam 8: Securing Information Systems

Popular IM applications for consumers ________ use a secure layer for text messages,so they can be intercepted and read by outsiders during transmission over the public Internet.

Define a fault-tolerant computer system and a high-availability computer system.How do they differ? When would each be used?

Pharming redirects users to a bogus Web page,even when the individual types the correct Web page address into his or her browser.

Rigorous password systems

The ________ worm affected millions of computers worldwide,disrupting British Airways flight check-ins,operations of British Coast Guard stations,Hong Kong hospitals,Taiwan post office branches,and Australia's Westpac Bank.

Computer worms spread much more rapidly than computer viruses.

In a ________,hackers flood a network server or Web server with many thousands of false communications or requests for services to crash the network.

The Cornflicker worm was first identified in January 2007.It spreads via e-mail spam with a fake attachment.Infected up to 10 million computers,causing them to join its zombie network of computers engaged in criminal activity.

Phishing is a form of

________ injection attacks are the largest malware threat,their attacks take advantage of vulnerabilities in poorly coded Web application software to introduce malicious program code into a company's systems and networks.

You have been hired as a security consultant for a legal firm.Which of the following constitutes the greatest threat,in terms of security,to the firm?

________ is a crime in which an imposter obtains key pieces of personal information to impersonate someone else.

Growing complexity and size of software programs,coupled with demands for timely delivery to markets,have contributed to an increase in software ________ or vulnerabilities.

Using numerous computers to inundate and overwhelm the network from numerous launch points is called a ________ attack.

Electronic data are more susceptible to destruction,fraud,error,and misuse because information systems concentrate data in computer files that

Malicious software programs are referred to as ________.

A ________ system uses a trusted third party,known as a certificate authority (CA),to validate a user's identity.

Specific security challenges that threaten clients in a client/server environment include

The development and use of methods to make computer systems recover more quickly after mishaps is called

Large public networks,such as the Internet,are less vulnerable than internal networks because they are virtually open to anyone.