An employee successfully avoids becoming a victim of a sophisticated spear phishing attack due to...

 Role of Security Awareness Training:

Training controls enhance employees' ability to recognize and avoid sophisticated threats like spear phishing.

 Effective Utilization:

In this case, the employee's ability to avoid the attack demonstrates the success of the corporate information security awareness program.

 Supporting Reference:

CCISO materials emphasize the importance of training as a control to reduce human-related risks in security.