In this day and age, data breaches have increased in quantity and intensity. Therefore, it is essential that cybersecurity professionals assess situations that could threaten the security of an organization’s intellectual property.

Research a data breach, ransomware, or data exfiltration attack that has occurred within the last six months that successfully compromised an organization. Address the following:

1. Describe the failure of the security measures by detailing how the attacker made the breach.
2. Describe how the attacker was able to get in and out of the system, as well as the threat vector.
3. Examine and explain the effects of the attack on the various stakeholders. Include nontechnical elements of the entire organization (e.g., public relations, marketing, and/or sales). What are some of the complexities of integrating technical solutions into nontechnical business frameworks that are applicable to this situation?
4. Describe ethical practices related to data and system security supported by a Christian worldview perspective. Include the ethical practices the organization could have implemented, both prior to and after the attack. How might having a Christian worldview perspective impact the response sent to consumers for a security incident?

Make sure to support the summary with a minimum of three resources other than the textbook.

Prepare this assignment according to the guidelines found in the APA Style Guide, located in the Student Success Center. 

Download the assignment files, Lab 3 and Lab 3 Assessment Worksheet. Lab 3 contains the instructions.

You will create your own Lab Report file word document as part of the assignment. You will fill out the worksheet and upload both when you submit the assignment.

Lab 3 Assessment Worksheet.pdf

Lab 3.docx

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Question 1 

What is a link-layer frame? A network layer datagram? A transport-layer segment? an application-layer message?

Question 2 

Is it possible for an application to enjoy reliable data transfer even when the application runs over UDP? If so, how?

Question 3 

Consider a router that interconnects three subnets: Subnet 1, Subnet 2, and Subnet 3. Suppose all of the interfaces in each of these three subnets are required to have the prefix 223.1.17/24. Also, suppose that Subnet 1 is required to support at least 60 interfaces, Subnet 2 is to support at least 90 interfaces, and Subnet 3 is to support at least 12 interfaces. Provide three network addresses (of the form a.b.c.d/x such as 223.1.17/24) that satisfy these constraints, and how the steps of how to obtain your answers.

Question 4 Case study  

In this problem, you need to put together what you have learned about Internet protocols. Suppose you walk into a room outside CSU campuses, connect to Ethernet, and want to download Slides published in a Web page of the ITC 542 site in Interact 2. What are all the protocol steps that take place, starting from powering on your PC to getting the CSU Web page? Assume there is nothing in our DNS or browser caches when you power on your PC. (Hint: the steps include the use of Ethernet, DHCP, ARP, DNS, TCP, and HTTP protocols.) Explicitly indicate in your steps how you obtain the IP and MAC addresses of a gateway router.

Answers with APA format and with references.

Cracking an RC4 encrypted file

I. Download and install CrypTool Version 1 (A zipped file with the installer is included with this lab or find download it from the Cryptool site.

II. Download the hex file Cry-RC4-test.hex from this lab. This is a message I encrypted using RC4 encryption – the same encryption algorithm used for WEP security in WiFi systems.

III. You will use Cryptool to crack the security and retrieve the encrypted text

A. Open Cryptool (version 1.4)

B. Click File > Open

C. In the file type drop-down at the bottom of the window, click the down arrow and change the selection from text file (*.txt) to Binary file (*.hex)

D. Navigate to the Cry-RC4-text.hex file you downloaded and click Open.

E. In the menu at the top of Cryptool, click Analysis

F. Click Symmetric Encryption (Modern) > RC4

G. Since you do not know how many bits I used for the key length, leave it at 8, and click Start

H. Look through the Decryption column in the results. 

I. If any of them look like plain English text, highlight it and click Accept Selection.

J. If none of the results look like plain English, repeat the analysis using the next higher number of bits for the key.

K. Continue using higher and higher key lengths until you find the solution

L. What is the secret phrase in the message you eventually found????

Write a fully executed R-Markdown program and submit a pdf file solving and answering questions listed below under Problems at the end of chapter 13. For clarity, make sure to give an appropriate title to each section.

13.1 a and b.

13.2 c and d.

Mandatory:
1. Please provide me a PDF file after execution
2.  screenshot of the computer with R program opened. when executed

Please find the attached textbook and reference 13.1  and 13.2