ng exponential reliability growth model, determine the probability that the tware will continue to function after 8 hours?
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- Denial of Service attacks are estimated to happen once every six months (twice a year) in a mid-size company. One such company, XYZ, estimates the cost of recovering from a single DoS attack to be $12000. The company decides to apply a number of controls to counter these attacks. With these controls, the frequency of successful DoS attacks against the company reduces to once a year and the cost of recovering from an instance becomes $8000. The cost of implementing these controls is $7,000 a year. The annual loss expectancy (ALE) without controls is $ A . The annual loss expectancy (ALE) with controls is $Denial of Service attacks are estimated to happen once every six months (twice a year) in a mid-size company. One such company, XYZ, estimates the cost of recovering from a single DoS attack to be $12000. The company decides to apply a number of controls to counter these attacks. With these controls, the frequency of successful DoS attacks against the company reduces to once a year and the cost of recovering from an instance becomes $8000. The cost of implementing these controls is $7,000 a year. From a purely financial point of view, is it worth for the company to implement these controls? Calculate the prior and post ALE and do a cost-benefit analysis to answer the question. In your answer make sure that you indicate what ARO, SLE and ALE are with and without controls. State clearly whether the company should implement the controls and explain why.Denial of Service attacks are estimated to happen once every six months (twice a year) in a mid-size company. One such company, XYZ, estimates the cost of recovering from a single DoS attack to be $10,000. The company decides to apply a number of controls to counter these attacks. With these controls, the frequency of successful DoS attacks against the company reduces to once a year and the cost of recovering from an instance becomes $6,000. The cost of implementing these controls is $12,000 a year. From a purely financial point of view, is it worth for the company to implement these controls? O None of the these Yes, because the measures will save the company $2,000. ONo, because the measures will cost the company $2,000. No, because the measures will cost the company $4,000. Yes, because the measures will save the company save $14,000.
- Suppose that the IDS system examines each file that is downloaded. This IDS has a false alarm probability of 0.001. Suppose that on average, an employee downloads a file once an hour. If each alarm takes the IT team 2 hours to fully investigate, how bug does the IT team need to be for a 2000 employee company?You have observed the 10th unit in the batch takes 5 hours to make. The learning curve is 84% If you want to make 15 units in the batch. (Please use this information to complete the next three questions. What is the pivot percentage? 00.67 1.5 67% 150% Question 4 What is F-factor? 0.9030 1.1144 1.1371A well known cricket team has a schedule tour of XYZ country in some days. They want to make sure to provide good security to the national team. Different security members have visited this country to check security arrangements. Some are agreed while some has little concerns. There are 4 different members who have visited in different period of time. The tour can go as schedule if there are at-least 3 members have submitted the positive report about security arrangements but if two members submit positive report while two other members submit negative report then there will be a deadlock between decision so there can be a don’t care condition. Now you have to design a Combination Circuit which can satisfy this scenario. Steps needed: Truth Table for four variables, SOP simplification through K map with don’t care condition, Equation and circuit
- What kind of effects does it have on availability as the mean time between failures (MTTR) becomes closer and closer to zero? Is this the kind of scenario that lends itself to an accurate description?A B C D X1 a1 b1 c3 L X2 a2 b1 c1 L X3 a2 b2 c1 H X4 a2 b2 c2 H X5 a2 b1 c1 L X6 a2 b2 c1 H X7 a2 b1 c2 H X8 a1 b2 c2 L From the table above, assuming the min confidence is 35%, and minsup is 37%, which of the following rules are strong? a. a1 => c3 b. L => b1 c. a2, b2 => H d. a1, b1 => LIt is important to compile a list of all known hazard categories and rank them according to the frequency with which they occur, preferably with URL proof.
- A security system implementation company is contacted by DLD lab, for the implementation of authentication system so that BEE-2 students can get lab access. The system will utilize RFID based university card scanner, password entry and verification mechanism and a fingerprint scanner. The system should work as follows: the student should get its RFID card scanned by the system. If scanning is done successful (valid) then the system will ask you to provide password. Along successful scanning and a valid password, the access is granted. If in any case the above verification is avoided, then the student is required to pass through fingerprint scanning. Only on matched fingerprint, the student is granted access. LA=F (FP, PW, RFID) Where FP: fingerprint PW: password entry RFID: RFID scanner LA: lab access a) Compute the truth table for the system b) Using part(a) write the system Boolean function c) Simplify the system to minimum number of gates using K-map d) Design the system obtained in…Assume passwords are selected from four-character combinations of 26 alphabetic characters. Assume an adversary is able to attempt passwords at a rate of one per second. a. Assuming no feedback to the adversary until each attempt has been completed, what is the expected time to discover the correct password b. Assuming feedback to the adversary flagging an error as each incorrect character is entered, what is the expected time to discover the correct password?Given a system where passwords can consist of uppercase and lowercase letters, as well as numbers. And a computer that can test 1 million passwords per second. In the worst case scenario, how long will the computer spend cracking an 8-character password? Round the answer down to the nearest number of days.
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