Users in a company have complained about network performance. After investigation, the IT staff has determined that the attacker is using a table of words that potentially could be used as passwords. What is the type of network attack?

The type of network attack described, where an attacker uses a table of words that potentially could be used as passwords, is a dictionary attack.

Explanation:

• A dictionary attack involves trying to break into a password-protected system or decrypt a file by systematically entering every word in a pre-compiled list of likely passwords. This list, often referred to as a “dictionary,” contains common words, phrases, and potentially commonly used passwords.

Incorrect Options:

• A SYN flood is a specific type of DoS attack targeting the TCP three-way handshake process, unrelated to password cracking.
• A zero-day attack exploits vulnerabilities that are unknown or unpatched, which is different from trying to guess passwords using a dictionary.
• DNS poisoning involves corrupting the DNS