Unit 8 Assignment

Complete the review questions: a - Unit 8 Assignment introduction. A(n) __power surge____ is a momentary increase in voltage due to lightning strikes, solar flares, or electrical problems. b. __Phishing____ occurs when a person attempts to glean access or authentication information by posing as someone who needs that information. c. ___Mirroring________ is a fault-tolerance technique in which one device or component duplicates the activities of another. d. __Clustering__ is a fault-tolerance technique that links multiple servers together to act as a single server. . ___Encryption______ is the use of an algorithm to scramble data into a format that can be read only by reversing the algorithm. 2. Using the seminar case; list some of the security breaches being practiced by the employees at the agency. A few security breaches that the employees practiced where visible and the sharing and displaying of username and password information on post it notes. They should not have this information in clear view and should change them often.

Employees where making the mistake of leaking information and visiting malware sites. They were also using common passwords which showed their lack of training. They need to be trained in network security and a strong policy needs to be enforced. 3. Create a security checklist for the Banana Tree Travel Agency! Checklist: * Are all the computers protected by virus software? * Is the virus software configured to scan all the important hard drives and files? * Does the virus program automatically update? Is there a backup plan implemented for in case a virus does infect a computer or the network? * Are all firewalls in place and enabled? * Is all the confidential information properly store on a safe and secure area of the network? * Is there at least a 6-12 mixed characters strong WEP OR WPA password on wifi network? * Are there user ID and passwords on all the computers to prevent unauthorized access? * Are all employees informed about network security & instructed to never give out the passwords, share them or write them down/send them via email? Passwords should be changed every 90 days * Are all computers updated regularly? * Are all employees trained in securing private data? * Confidential and private data needs to be encrypted * Are regular backups performed? * Is there a copy or mirror image of back up of each computer? * Is data also backed up on a secure separate server, computer, or hard drive? * Are all computers stored in a place that can be locked up? 4. List three viruses and how they affect network security, integrity and availability.

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More Essay Examples on Computer Rubric

File Infector Virus: This virus attaches itself to executable files and once that file runs it copies itself to the memory. This affects network security by infection numerous programs causing further damages. The integrity and availability is compromised by breaching the security through the opening of files. Trojan Horse Virus: This one is the most dangerous to me, because it is so “sneaky” hence the name Trojan virus. It is a back door virus that acts as if it is something harmless and useful and instead starts harming the computer.

Trojans compromise integrity and availability by causing serious destruction by breaching security and damaging computers. Worms: Worms are one of the worst they are a NUISANCE. Worms are viruses that run by themselves and can even travel between networks. For a business network this can infect every single computer on the network once it has infiltrated. They are silent but carry viruses and transport them. Worms can be picked up via email attachments or flash drives, or even from another network.

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