A malicious entity learned that his target constructed his password by using characters in the set (a, b, c, 5, 7} and the password has 3 characters from this set. Each trial in a brute-force attack requires 0.5 seconds from this entity's computer. How many seconds does the attacker need to find the password of the target? O 7.5 seconds O 60 seconds O 13.5 seconds O 62.5 seconds

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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A malicious entity learned that his target constructed his password by using characters in the set (a, b, c, 5, 7)
and the password has 3 characters from this set. Each trial in a brute-force attack requires 0.5 seconds from
this entity's computer. How many seconds does the attacker need to find the password of the target?
7.5 seconds
60 seconds
O 13.5 seconds
62.5 seconds
Transcribed Image Text:A malicious entity learned that his target constructed his password by using characters in the set (a, b, c, 5, 7) and the password has 3 characters from this set. Each trial in a brute-force attack requires 0.5 seconds from this entity's computer. How many seconds does the attacker need to find the password of the target? 7.5 seconds 60 seconds O 13.5 seconds 62.5 seconds
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