Cybersecurity - Security Architecture and Design
Given a threat with DREAD scores: Damage=4, Reproducibility=3, Exploitability=2, Affected users=5, Discoverability=1, what is the average DREAD score?
Given a threat with DREAD scores: Damage=4, Reproducibility=3, Exploitability=2, Affected users=5, Discoverability=1, what is the average DREAD score?
medium📝 Analysis Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Sum all DREAD values
Sum = 4 + 3 + 2 + 5 + 1 = 15Step 2: Calculate average score
Average = 15 / 5 = 3.0Step 3: Re-check values and options
3.0 is 3.0, but 3.4 is 3.4 which is incorrect based on calculation.Final Answer:
3.0 -> Option AQuick Check:
DREAD average = Sum/5 = 3.0 [OK]
Quick Trick: Average DREAD = sum of factors divided by 5 [OK]
Common Mistakes:
MISTAKES- Adding incorrectly or missing a factor
- Dividing by wrong number of factors
- Mixing up values for affected users and discoverability
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