What should the Security Engineer do to block the malicious bot?

A Security Engineer receives alerts that an Amazon EC2 instance on a public subnet is under an SFTP brute force attack from a specific IP address, which is a known malicious bot.

What should the Security Engineer do to block the malicious bot?
A . Add a deny rule to the public VPC security group to block the malicious IP
B . Add the malicious IP to IAM WAF backhsted IPs
C . Configure Linux iptables or Windows Firewall to block any traffic from the malicious IP
D . Modify the hosted zone in Amazon Route 53 and create a DNS sinkhole for the malicious IP

View Answer

Answer: A