Common Causes of Account Lockouts

account if the number of failed logon attempts occur within a specified period of time, based on the security policy lockout settings.

Answer: A is incorrect.

Brute force attack is the most likely cause of the account lockouts.

In a brute force attack, unauthorized users attempt to log on to a network or a computer by using multiple possible user names and passwords.

Windows 2000 and other network operating systems have a security feature that locks a user Spoofing is a technique that makes a transmission appear to have come from an authentic source by forging the IP address, email address, caller ID, etc.

In IP spoofing, a hacker modifies packet headers by using someone else's IP address to hide his identity.

However, spoofing cannot be used while surfing the Internet, running on the TCP/IP protocol.

It is a protocol-level attack that can render a computer's network services unavailable.

A SYN attack is also known as SYN.

The most likely cause of the account lockouts in this scenario is a brute force attack.

A brute force attack is an automated method of attempting to guess a password by systematically trying different combinations until the correct one is found. Attackers often use automated tools to launch brute force attacks, which can result in multiple incorrect login attempts and account lockouts.

In this case, if multiple users are reporting being locked out due to multiple incorrect login attempts, it is likely that an attacker is trying to guess passwords using a brute force attack. The attacker could be targeting specific user accounts or using a list of commonly used passwords to try to gain access to any account.

Spoofing, SYN attacks, and PING attacks are all different types of network attacks, but they are less likely to cause account lockouts. Spoofing involves impersonating another user or device, while SYN attacks and PING attacks are denial-of-service attacks that can disrupt network connectivity. However, these types of attacks are not typically associated with multiple incorrect login attempts and account lockouts.

Therefore, the most likely cause of the account lockouts in this scenario is a brute force attack.