FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A HACKER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Attempt to break a password by trying all possible words.
A
Social Engineering
B
Dictionary Attack
C
Key Logger
D
Password Cracker
Explanation: 

Detailed explanation-1: -A dictionary attack is a method of breaking into a password-protected computer, network or other IT resource by systematically entering every word in a dictionary as a password. A dictionary attack can also be used in an attempt to find the key necessary to decrypt an encrypted message or document.

Detailed explanation-2: -Dictionary attack definition: “A type of brute force attack where an intruder attempts to crack a password-protected security system with a “dictionary list” of common words and phrases used by businesses and individuals.”

Detailed explanation-3: -What’s a Brute Force Attack? A brute force attack uses trial-and-error to guess login info, encryption keys, or find a hidden web page. Hackers work through all possible combinations hoping to guess correctly.

Detailed explanation-4: -Examples of Dictionary Attacks A website fails to ensure that its password length and complexity requirements are secure enough. As a result, some users select extremely easy to guess passwords–like “abc123” or “987654, ” the first passwords often tried in a dictionary attack.

Detailed explanation-5: -A password attack refers to any of the various methods used to maliciously authenticate into password-protected accounts. These attacks are typically facilitated through the use of software that expedites cracking or guessing passwords.

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