CA2022Proposed solution included

CEC 461 Information Systems Security CA 2022

About this paper

CEC 461 Information Systems Security 2022 Mid-Semester Exam (Not stated semester, Level 400), College of Technology, University of Buea: RBAC.

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University of Buea

College of Technology - COT

Computer Engineering - CET

CEC4612022

Information Systems Security

CA · First Semester · Level 400

From this paper

  1. 4.

    A thief steals a smartphone that authenticates its owner using a 4-digit PIN, with no disabling, jailing or exponential back-off for making too many failed authentication attempts. Using Anderson’s formula, what is the probability that an attacker is able to log into the phone within 3 hours? Assume that the thief is able to try one PIN every 2 seconds. (6marks)

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At a glance

Course code
CEC461 (CEC 461)
Type
CA
Year
2022
Level
Level 400
Semester
First Semester
Proposed solution
Included

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