Please if you are not sure from your answer 100% do not answer the question. Thanks in advance.

A company has gone through a round of phishing attacks. More than 200 users have had their workstationss infected because they clic ked on a lik in an email. An incident analysis has determined an executable ran and compromised the administrator account on each workstation Management is demanding the information security team prevent this from happening again Which of the following would BEST prevent this from happening again? Antivirus Log monitoring Application whitelisting Awareness training O C