Chapter 4
Small amounts of information that Web sites store on your computer, temporarily or more or less permanently
What are cookies?
The likelihood that a threat will occur
What is risk?
A binary digit- that is, a 0 or 1
What is a bit?
A massive global WAN that connects approximately 1 million organizational computer networks in more than 200 countries on all continents
What is the Internet?
Collectively, all of the Web pages of a particular company or individual
What is a Web site?
Malicious software such as a virus or worm
What is malware?
A system (hardware, software, or a combination of both) that prevents a specific type of information from moving between untrusted networks, such as the Internet, and private networks, such as your company's network
What is a firewall?
Each row in a relational table, which is a specific, unique representation of the entity
What is an instance?
A network, generally provided by common carriers, that covers a wide geographical area
What is a wide area network (WAN)?
Device that converts signals from analog to digital and vice versa
What is a modem?
The process of converting an original message into a form that cannot be read by anyone except the intended receiver
What is encryption?
Alien software that uses your computer as a launch platform for spammers
What is spamware?
A field that has some identifying information, but typically does not uniquely identify a record with complete accuracy
What is a secondary key?
Computers that act as exchnage points for internet traffic and determine how internet traffice is routed
What are network access points (NAPs)?
A private network that uses Internet software and TCP/IP protocols
What is an intranet?
A private network that uses a public network (usually the Internet) to securely connect users by using encryption
What is a virtual private network (VPN)?
A process in which a company identifies acceptable software and permits it to run, and either prevents anything else from running or lets new software run in a quarantined environment until the company can verify its validity
What is whitelisting?
Storage of data in more than two dimensions
What is multidimensional data?
The transmission technology that divides blocks of text into packets
What is packet switching?
A computer program that searches for specific information by keywords and reports the results
What is a search engine?
A cyberattack in which an attacker sends a flood of data packets to the target computer, with the aim of overloading its resources
What is a denial-of-service attack?
An encryption standard used for secure transactions such as credit card purchases and online banking, also known as transport layer security
What is a secure socket layer (SSL)?
Data collected about user behavior and browsing patterns by monitoring users' activities when they visit a Web site
What is clickstream data?
A file transfer protocol that can send large files of information across sometimes unreliable networks with assurance that the data will arrive uncorrupted
What is Transmission Control Protocol/Internet Protocol (TCP/IP)?
What is twisted-pair wire?