Problem 1) [10 Points] We need to use our credit card information on the web to make purchases,

sometimes from new websites that we did not visit before. How do we know the credit card

information we provide on the web will be secure in transit? Head to your favorite online shopping

website (not the app) and show (by using screenshots) how do you know the connection to the website

is secure? Explain the technology/protocol that is commonly used by these websites to ensure the

security of your information.

Problem 2) [50 Points] Using the Terminal on your CentOS operating system (on your Virtual Machine)

complete the following tasks. Please provide screenshots for each step. Please use the Terminal to do

every task and not the graphical user interface.

1) Login as the user root, with the provided username and password (if you are currently not).

Problems 1.2 and 3 require you to albmit a sereenshot of the commands that you used and ehe output generated. Please make nure that the screenshota are readable (and in order) to make mure yoo receive the full point for each juroblem. Some pooblems below wonld require you to look for the anower online, if you had to une any source please AVOID any copy paating, even if the soutce was provided in the goention. Plisae read the source fint and they preride your undentanding. Please also give a link so the source you used! Problem 1) [10 Points) We need so uwe our credii saral insermacion on the web to make purchaves. sometimes from new wetsite that we did eot vieit before. How do we linow ehe credit ard infonmation we peovide on the web will be secure in uansir? Head to your frvorite online shopping website (nct the app) and show (fy uint keroenshess) how da yas know the cannection to the wribite is securet Explain the ecchnology/protecel that is commoely used by these websites to ensure the securiry of your informution. Problem 2) [50 Points] thiag the Teeminal on your CentOS eperaring system (en your Virtual Machine) complete the following tasks. Pleaie provide sertenahots for each atep. Mease sise the Terminal to da every tak and not the gruphical uier interface. 1) Login as the user 'root, with the providied wername and pusword (if you are currently not). Change directory to iroot/Donloads and create a foller named 'yournameFolderl" (e tcoarbehfolder1). Change direciory to the new folder you've just created and create a tent Cle named 'yourfirstsameteutilel itat' (e g. rouzbehoedfile] at). * Add a lime to the file which coetrains "Hello my name is your name" (e g- Hello my name is: Rouxbeh Rehnia and soday is tenser the date your are doing the asvignment'), save and esit. - Uie Vim to cecate the file, explain the stepn you've taken to crate the file (coetinands and asepe in Vim). - Pruvide sereenshor of all the utepo above 2) Now, while in directory yournamefoldert? create a foldeoldirnctory named 'yourname Folder?' (e. a. nowbehfolder?) - Change firectory bo the new folder and, aking Vim. create a file named yourfirstamedestfile2. pet', 3) Navigate to the firs Salder you creatid fyournameFolder1') and use the command to check the orunershig and permisions of the file you have crealed (yourfintnametestile 1 exa'). - Feoside screenshoss of the command you uee and the eurpats. 4) Now, change the awnenhip asd aroup of the file 'yourfirsnametentilel tat' 10 bob. Le. the owner and group associaned with the file will be bobk. - Peovide acreenshos of the commands you ve used and the ourpoits. - Again, sheck the ownership details of the file 8) Renaine the file "yourfirstnametestfilelCogy tax' to "nenamed.tat'. Pease provide screenshots. 9) Navigate to /rootDownloads, and from there, delete the fuller 'yournumefolder? and all of its content uning only ONE conmand. 10) Uking command \&s, what option can we wie so view the hidden files as welly How to have lo sor the resuls by time, newes firt? Problem 3) [10 Polnta] is it ponsible to line all the files with rpecific enensians (es, wa) that belong to a eenais user)? If not. pleane explain why. If yes. please list all the wat file on the hane directory of user 'root' that belong to the ver root. Pleave provide icrecashoss of the avemand you used. Problem 4) [15 Polnts] We are curreatly wueling in a finectory hoed Dem nloutw ThilicmFese, in this folder we have the following files: Hinn: You could creane auch folder and the above files using Vim to make sure your annwers do generate the requuired outpat. You do not need to provide acrerashor of these itepe if you deciled to do ao. Using shell expansions (tecture 3 , alide 23); 1. Write the command to list all the files with two letere extensions. 2. Write the command to list all the flles that start with the lester 's' with two lreser estensions. 3. Write the command to liat all the files that vant with lener g andl heve 3 letter eatensions that starts with the letter " t ". Problem 5) [15 Points] Read the following articles an the infamoas attack to the Colenial Pipeline and answer the following questions. 1. Explain what RaaS is by explaining what they aim te acoompliab and what censequences it might lave for the organizatiens? 2. The article indlicates three poseatial approaches in the initieing the attack. Esolain any of the three. 3. Explais aby four mitigation sepe that were recomanaded by CBs, and fat se reduce the riaks of compremise by rankemware attacks. screenshots. 9) Navigate to /rootDownbads, and froen there. delete the folder 'yournameFolder? and all of iss coetent using only ONE coenmand 10) Using command is what epeion can we use to view the hiddea files as weli? How to have bs soct the results by time, neweit first? Problem 3) [10 Points] is it possible to lint all the files with specific extensions (e f. - tat) that belong to a certain vser)? If not, please explain why. If yes. please list all the tou files on the hotne dirnciory of user 'root' that belopg to the user root. Please provide screensbots of the command you used. Problem 4) [15 Polnts] We are currently working in a directory /root/Dowaloadv Problemf car, in this folder we have the following files: Hint: You could create such folder and the above files using Vim to make sure your answen do gencrate the required outpat. You do not need to provide screenshot of these steps if yoa decided to do sa. Uving shell expansions (Lecture 3, slide 23) 1. Write the command to lis all the files with two letter extensioes. 2. Write the coemmand to list all the flles that start with the letter ' g ' with two lener cutenaions. 3. Write the command to list all the files that start with letter gand have 3 letter extensions that starts with the letter ' t ', Problem 5) [15 Polats] Read the following articles on the infamous attack to the Colonial Pipeline and answer the following equestions. The Colonial Bipsline. Banaomuate Atrack Iverpthing We Knen - Sccatio Boalcratll 1. Explain what RaaS is by explaining what they aim to accomplish and what cansequences it might have for the ergaaimations? 2. The article indicates three potential approuches in the inielating the atrack. Fxplain any of the three