Computer Science: An Overview (12th Edition)
12th Edition
ISBN: 9780133760064
Author: Glenn Brookshear, Dennis Brylow
Publisher: PEARSON
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Expert Solution & Answer
Chapter 4, Problem 11SI
Explanation of Solution
Security of PC connected to the internet:
“Yes”, the owner must install a proper firewall to prevent the PC connected to the Internet from a denial of service attack implemented by another party.
Reason:
The PC owner is liable to the extent if the PC contains firewall installed in it or not and the level of protection from the firewall.
The PC owner can protect his personal computer connected to the internet from the denial of service attack if he installs a firewall in the PC.
The denial service attack is a type of attack by the hackers which prevents the authentic user to access the service...
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Students have asked these similar questions
Consider the following scenario: you receive a notification from your company's mail server informing you that the password for your account has been changed and that you must confirm the change. According to what you know, you have not altered the password! What may have motivated the password change, and how did it happen? Was it a virus, and if so, on which machines, that may have provided an attacker with the information they needed to successfully reset the password?
Consider the following scenario: you get a message from your company's mail server informing you that the password for your account has been changed and that you must confirm the change. According to what you know, you have not altered the password! What may have motivated the password change, and how did it happen? Was it a virus, and if so, on which computers, that may have given an attacker with the information they needed to successfully reset the password?
Consider the following example:
Your company's mail server sends you an email informing you that your password has been changed and that you must take action to confirm this.
However, to the best of your knowledge, you have not changed the password.
What's going on?
What caused the password to be changed, and why was it changed?
How did an attacker acquire the necessary information to properly reset the password?
Was it a virus, and what systems was it infecting?
Chapter 4 Solutions
Computer Science: An Overview (12th Edition)
Ch. 4.1 - What is an open network?Ch. 4.1 - Prob. 2QECh. 4.1 - What is a router?Ch. 4.1 - Prob. 4QECh. 4.1 - Prob. 5QECh. 4.1 - Prob. 6QECh. 4.2 - Prob. 1QECh. 4.2 - Prob. 2QECh. 4.2 - Prob. 3QECh. 4.2 - Prob. 4QE
Ch. 4.2 - Prob. 5QECh. 4.2 - Prob. 6QECh. 4.2 - Prob. 7QECh. 4.2 - Prob. 8QECh. 4.3 - Prob. 1QECh. 4.3 - Prob. 2QECh. 4.3 - Prob. 3QECh. 4.3 - Prob. 4QECh. 4.3 - Prob. 5QECh. 4.4 - Prob. 1QECh. 4.4 - Prob. 2QECh. 4.4 - Prob. 3QECh. 4.4 - What keeps a computer on the Internet from...Ch. 4.5 - Prob. 1QECh. 4.5 - Prob. 2QECh. 4.5 - Prob. 3QECh. 4.5 - Prob. 4QECh. 4.5 - Prob. 5QECh. 4 - Prob. 1CRPCh. 4 - Prob. 2CRPCh. 4 - Prob. 3CRPCh. 4 - Prob. 4CRPCh. 4 - Prob. 5CRPCh. 4 - Prob. 6CRPCh. 4 - Prob. 7CRPCh. 4 - Prob. 8CRPCh. 4 - Prob. 9CRPCh. 4 - Prob. 10CRPCh. 4 - Prob. 11CRPCh. 4 - Prob. 12CRPCh. 4 - Prob. 13CRPCh. 4 - Prob. 14CRPCh. 4 - Prob. 15CRPCh. 4 - Prob. 16CRPCh. 4 - Prob. 17CRPCh. 4 - Prob. 18CRPCh. 4 - Prob. 19CRPCh. 4 - Prob. 20CRPCh. 4 - Prob. 21CRPCh. 4 - Prob. 22CRPCh. 4 - Prob. 23CRPCh. 4 - Prob. 24CRPCh. 4 - Prob. 25CRPCh. 4 - Prob. 26CRPCh. 4 - Prob. 27CRPCh. 4 - Prob. 28CRPCh. 4 - Prob. 29CRPCh. 4 - Prob. 30CRPCh. 4 - Prob. 31CRPCh. 4 - Prob. 32CRPCh. 4 - Prob. 33CRPCh. 4 - Prob. 34CRPCh. 4 - Prob. 35CRPCh. 4 - Prob. 36CRPCh. 4 - Prob. 37CRPCh. 4 - Prob. 38CRPCh. 4 - Prob. 39CRPCh. 4 - Prob. 40CRPCh. 4 - Prob. 41CRPCh. 4 - Prob. 42CRPCh. 4 - Prob. 43CRPCh. 4 - Prob. 44CRPCh. 4 - Prob. 45CRPCh. 4 - Prob. 46CRPCh. 4 - Prob. 47CRPCh. 4 - Prob. 48CRPCh. 4 - Prob. 49CRPCh. 4 - Prob. 50CRPCh. 4 - Prob. 1SICh. 4 - Prob. 2SICh. 4 - Prob. 3SICh. 4 - Prob. 4SICh. 4 - Prob. 5SICh. 4 - Prob. 6SICh. 4 - Prob. 7SICh. 4 - Prob. 8SICh. 4 - Prob. 9SICh. 4 - Prob. 10SICh. 4 - Prob. 11SICh. 4 - Prob. 12SI
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Similar questions
- Is it true that nobody has ever been able to mount a successful distributed denial of service attack?arrow_forwardComputer Science With respect to firewalls, what is the difference between default accept anddefault deny policies? When is one more appropriate than the other?arrow_forwardSuppose you receive a letter, which appears to come from your company’s mail server stating that the password for your account has been changed, and that an action is required to confirm this. However, as far as you know, you have not changed the password! What may have occurred that led to the password being changed? What type of malware, and on which computer systems, might have provided the necessary information to an attacker that enabled them to successfully change the password?arrow_forward
- Is it true that a distributed denial of service attack, often known as a DDoS attack, can only be carried out by one person?arrow_forwardIs it possible for a single person to carry out an attack that results in a distributed denial of service?arrow_forwardAssume that you will need to confirm that your account has been renewed after getting a message from the mail server that is associated with your organization. Yet, to the best of your knowledge, you have not altered the password in any way! The password was changed at some point for unknown reasons. What type of malware, and on what devices would it have been present, might have provided an adversary with the information they need to successfully reset the password?arrow_forward
- Describe in depth with the aid of a diagram what a Distributed Denial of Service (DDoS) attack is. Give the steps that could be followed by the banks in the event of the DDoS assault on their systems.arrow_forwardIs there a typical link between a network that cannot be trusted, a firewall, and a network that can be trusted, and how does this connection function?arrow_forwardAssuming that one of the attacks used to defraud Zambian banks was a DDoS attack, describe in depth with the aid of a diagram what a Distributed Denial of Service (DDoS) attack is. Give the steps that could be followed by the banks in the event of the DDoS assault on their systemsarrow_forward
- A "distributed denial of service attack" (DDoS) may be coordinated by one person. What's your opinion?arrow_forwardGiven have a firewall between the Internet (represented by a cloud) and your network router. And some active attacks are added from the list of active attacks; os exploits, viruses, trojans, etc. Please refer to the diagram attached. Are these attacks able to get to your network? Do you feel your system is secure? What’s wrong with this scenario? please don't copy the solution on Bartleby. it does not answer the questionarrow_forwardConsider the following scenario: Your company's mail server sends you an email alerting you that your password has been changed and that you must confirm the change. However, you are not aware that you have changed your password! A variety of events might have caused the password change. Was it a virus, and if so, which systems did it infect, that provided an attacker with the information they required to successfully reset the password?arrow_forward
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