Network Attack Exploiting SNMP Vulnerability

A.

The FIRST step that a cybersecurity analyst should take when a network attack exploiting a vulnerability in the SNMP is detected is to temporarily block the attacking IP address (Option D). This step aims to prevent further exploitation of the vulnerability by the attacker and reduce the potential damage caused by the attack.

Option A, applying the required patches to remediate the vulnerability, is an essential step to prevent similar attacks from happening in the future. However, it is not the first step to take because it takes time to identify and apply the patch, and the attacker can exploit the vulnerability again while waiting for the patch to be deployed.

Option B, escalating the incident to senior management for guidance, is not the first step to take because it can cause a delay in responding to the incident, which can further expose the organization to risks. Escalation should be done after the immediate threat is mitigated.

Option C, disabling all privileged user accounts on the network, is not the first step to take because it can cause disruption to legitimate users who require those accounts to perform their duties. Disabling privileged user accounts should be done as a last resort and only if it is necessary to prevent further damage to the network.

In summary, the FIRST step that a cybersecurity analyst should take when a network attack exploiting a vulnerability in the SNMP is detected is to temporarily block the attacking IP address (Option D). After that, the analyst should proceed with identifying the vulnerability, applying the necessary patches, and escalating the incident to senior management if necessary.