Certified Information Systems Security Professional (CISSP) Practice Exam

Question: 1 / 1980

What type of attack attempts various inputs to gain access?

Phishing attack

Brute-force attack

A brute-force attack is a method used to gain access to a system by systematically trying all possible combinations of passwords or keys until the correct one is found. This approach does not rely on any specific vulnerabilities in the system but rather capitalizes on the lack of complexity or length in the password or security key. By attempting various inputs—such as alphanumeric combinations or symbol variations—a brute-force attacker can eventually find the valid credentials needed to bypass security mechanisms.

This method can be effective against weak or poorly secured accounts, making it essential for systems to implement measures like account lockout after repeated failed attempts, using multi-factor authentication, or enforcing complex password policies to mitigate such risks.

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DDoS attack

SQL injection

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