Meera, part of the Incident Handling & Response (IH&R) team, identifies an ongoing phishing campaign...

In the ECIH email incident response framework, eradication extends beyond internal cleanup and includes threat intelligence sharing. Option B is correct because sharing phishing indicators with trusted security communities helps disrupt attacker infrastructure and prevents reuse of the same campaign against other organizations.

Option A is unrelated. Option C is ineffective against phishing. Option D is overly destructive and unnecessary.

ECIH promotes collaborative defense as part of post-detection eradication and prevention.