What is a common security threat in which an attacker attempts to overwhelm a targeted system by flooding it with Internet traffic?

What is a common security threat in which an attacker attempts to overwhelm a targeted system by flooding it with Internet traffic?
A . Ransomware
B . Distributed Denial of Service (DDoS) attack
C . Phishing
D . SQL injection

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Answer: B

Explanation:

Option 1: Ransomware is a type of malicious software that encrypts a victim’s files and demands a ransom in exchange for the decryption key. While it can cause damage to systems, it is not specifically designed to overwhelm a system with Internet traffic.

Option 2: Correct. A Distributed Denial of Service (DDoS) attack is a common security threat in which an attacker attempts to overwhelm a targeted system by flooding it with Internet traffic. This can result in a loss of service availability for legitimate users.

Option 3: Phishing is a type of social engineering attack in which an attacker masquerades as a trustworthy entity to trick individuals into providing sensitive information. It does not involve overwhelming a system with Internet traffic.

Option 4: SQL injection is a type of web application attack in which an attacker manipulates a SQL query to gain unauthorized access to a database. It does not involve overwhelming a system with Internet traffic.