The Chief Executive Officer (CEO) of a large insurance company has reported phishing emails that contain malicious links

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The Chief Executive Officer (CEO) of a large insurance company has reported phishing emails that contain malicious links are targeting the entire organization.
Which of the following actions would work BEST to prevent against this type of attack?

A. Turn on full behavioral analysis to avert an infection.
B. Implement an EDR mail module that will rewrite and analyze email links.
C. Reconfigure the EDR solution to perform real-time scanning of all files.
D. Ensure EDR signatures are updated every day to avert infection.
E. Modify the EDR solution to use heuristic analysis techniques for malware.