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To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser. 🏠 HomeSubjects ➗ Math🧪 Science🏛️ History📺 Arts & Humanities🤝 Social Studies💻 Engineering & Technology💰 Business📚 OtherResources 📓 Study Guides🏆 Leaderboard💯 All Tags❓ Unanswered🔀 Random Tags📱 Computer Networking iPhone 3GS iPhone 3G14.____ is a technique intruders use to make their network or Internet transmission appear legitimate to a victimcomputer or network.a.Rebukingc.Transmittingb.Spoofingd.Victimizing ____15.All networked and online computer users should implement a ____ like the one shown in the accompanyingfigure. Get answer to your question and much more ____16.As shown in the accompanying figure, a ____ is hardware and/or software that protects a network’s resourcesfrom intrusion by users on another network such as the Internet. Get answer to your question and much more ____17.____ detection software automatically analyzes all network traffic, assesses system vulnerabilities, identifiesany unauthorized access (intrusions), and notifies network administrators of suspicious behavior patterns orsystem breaches, including violations of firewalls like the ones in the accompanying figure. Get answer to your question and much more Related Textbook Solutions See more____18.____ is a server outside a company’s network that controls which communications pass into the company’snetwork.a.A firewallc.A proxy serverb.Intrusion detection softwared.An audit trail ____19.Which of the following is not true of intrusion detection software? Get answer to your question and much more ____20.Many systems implement access controls using a two-phase process called ____. Get answer to your question and much more ____21.If a password used on a site like the one shown in the accompanying figure is 4 characters long, the averagetime it would take a computer to discover the password is ____. Get answer to your question and much more ____22.As shown in the accompanying figure, many Web sites require a user to enter a user ____, which is a uniquecombination of characters, such as letters of the alphabet or numbers, that identifies one specific user.a.termc.nameb.linkd.key ____23.As shown in the accompanying figure, many Web sites require a user to enter a(n) ____, which is a privatecombination of characters associated with a user name that allows access to certain computer resources. Get answer to your question and much more ____24.Which of the following is an example of a possessed object? Get answer to your question and much more b.face recognition systemsd.fingerprint scanner____ Upload your study docs or become a Course Hero member to access this document Upload your study docs or become a Course Hero member to access this document End of preview. Want to read all 21 pages? Upload your study docs or become a Course Hero member to access this document Computer Science, Computer program 🏠 HomeSubjects ➗ Math🧪 Science🏛️ History📺 Arts & Humanities🤝 Social Studies💻 Engineering & Technology💰 Business📚 OtherResources 📓 Study Guides🏆 Leaderboard💯 All Tags❓ Unanswered🔀 Random Tags📱 Computer Networking iPhone 3GS iPhone 3GComputer Viruses, Worms, Trojan Horses, and Rootkits • A computer virus is a potentially damaging computer program that affects, or infects, a computer negatively by altering the way the computer works without the user’s knowledge or permission. • A worm is a program that copies itself repeatedly, for example in memory or on a network, using up resources and possibly shutting down the computer or network. • A Trojan horse (named after the Greek myth) is a program that hides within or looks like a • A rootkit is a program that hides in a computer and allows someone from a remote location to take full control of the computer. Once the rootkit is installed, the rootkit author can execute programs, change settings, monitor activity, and access files on the remote computer. Safeguards against Computer
Viruses and Other Malware Botnets A botnet is a group of compromised computers connected to a network such as the Internet that are used as part of a network that attacks other networks, usually for nefarious purposes. A compromised computer, known as a zombie, is one whose owner is unaware the computer is being controlled remotely by an outsider. Cybercriminals use botnets to send spam via e-mail, spread viruses and other malware, or commit a denial of service attack. Denial of Service Attacks A denial of service attack, or DoS attack, is an assault whose purpose is to disrupt computer access to an Internet service such as the Web or e-mail. Perpetrators carry out a DoS attack in a variety of ways. For example, they may use an unsuspecting computer to send an influx of confusing data messages or useless traffic to a computer network. The victim computer network slows down considerably and eventually becomes unresponsive or unavailable, blocking legitimate visitors from accessing the network. Perpetrators have a variety of motives for carrying out a DoS attack. Those who disagree with the beliefs or actions of a particular organization claim political anger motivates their attacks. Some perpetrators use the attack as a vehicle for extortion. Others simply want the recognition, even though it is negative. Back Doors A back door is a program or set of instructions in a program that allow users to bypass security controls when accessing a program, computer, or network. Once perpetrators gain access to unsecure computers, they often install a back door or modify an existing program to include a back door, which allows them to continue to access the computer remotely without the user’s knowledge. Spoofing Spoofing is a technique intruders use to make their network or Internet transmission appear legitimate to a victim computer or network. E-mail spoofing occurs when the sender’s address or other components of the e-mail header are altered so that it appears the e-mail originated from a different sender. E-mail spoofing commonly is used for virus hoaxes, spam, and phishing scams. IP spoofing occurs when an intruder computer fools a network into believing its IP address is associated with a trusted source. Perpetrators of IP spoofing trick their victims into interacting with a phony Web site. Safeguards against Botnets, DoS Attacks, Back Doors, and Spoofing To defend against botnets, DoS attacks, improper use of back doors, and spoofing, users can implement firewall solutions and install intrusion detection software. Firewalls A firewall is hardware and/or software that protects a network’s resources from intrusion by users on another network such as the Internet. Organizations use firewalls to protect network resources from outsiders and to restrict employees’ access to sensitive data such as payroll or personnel records. Large organizations often route all their communications through a proxy server, which is a component Some small office/home office users purchase a hardware firewall, such as a router or other device that has a built-in firewall, in addition to or instead of personal firewall software. Intrusion Detection Software To provide extra protection against hackers and other intruders, large organizations sometimes use intrusion detection software to identify possible security breaches. Intrusion detection software automatically analyzes all network traffic, assesses system vulnerabilities, identifies any unauthorized access (intrusions), and notifies network administrators of suspicious behavior patterns or system breaches. To utilize intrusion detection software requires the expertise of a network administrator because the programs are complex and difficult to use and interpret. These programs also are quite expensive. 14.____ is a technique intruders use to make their network or Internet transmission appear legitimate to a victimcomputer or network.a.Rebukingc.Transmittingb.Spoofingd.Victimizing🏠 HomeSubjects ➗ Math🧪 Science🏛️ History📺 Arts & Humanities🤝 Social Studies💻 Engineering & Technology💰 Business📚 OtherResources 📓 Study Guides🏆 Leaderboard💯 All Tags❓ Unanswered🔀 RandomTags 📱 Computer Networking iPhone 3GS iPhone 3G0 Wiki User ∙ 6y ago Best Answer Copy spoofing Wiki User ∙ 6y ago This answer is: Study guides Add your answer:Earn +20 pts Q: What is a technique intruders use to make their network or Internet transmission appear legitimate to a victim computer or network? Write your answer... Submit Still have questions? 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A firewall is a security device — computer hardware or software — that can help protect your network by filtering traffic and blocking outsiders from gaining unauthorized access to the private data on your computer. What is the term for a website that uses encryption techniques to protect its data? Secure site. What hardware protects a computer or network from intruders?A firewall is hardware and/or software that is used to protect a computer or private network resources from intruders or hackers who might try to break into those systems.
Which of the following is someone who uses the Internet or network to destroy or damage computers for political reasons?
What is the term for a website that uses encryption techniques to protect its data?What is the term for a website that uses encryption techniques to protect its data? Secure site.
Which term is used to describe software used by cyber criminals?Malware, short for “malicious software,” refers to any intrusive software developed by cybercriminals (often called “hackers”) to steal data and damage or destroy computers and computer systems. Examples of common malware include viruses, worms, Trojan viruses, spyware, adware, and ransomware.
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What is a technique intruders use to make their network or Internet transmission appear legitimate to a victim computer or network?
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