212-89 Leak Questions

Software as a Service (SaaS) offers the least amount of security responsibility for the end-user or organization, as the service provider manages the underlying infrastructure, software maintenance, security patching, and updates. Choosing a SaaS application means the colleague's organization would not be responsible for the physical servers, operating systems, or the application's security configurations, making it the best option for minimizing their security responsibilities.

In a disassociation attack, the attacker sends disassociation frames to a wireless access point (AP) using a spoofed MAC address of a client or to the client pretending to be the AP. This forces the target to disconnect and often reconnect, causing a disruption in the wireless connectivity. Such attacks can be used to create a denial-of-service condition for the client, making the network resource unavailable. The primary objective of this attack is not to eavesdrop but to disrupt the normal operation of the wireless connection between the client and the AP.

The Microsoft Baseline Security Analyzer (MBSA) is a tool designed to assess a computer or network's security state by checking for missing security updates and common security misconfigurations. In the scenario with Finn, who is working in the eradication phase of an incident response process, the use of MBSA makes sense. The tool's ability to detect missing security patches and recommend the installation of the latest patches is crucial for eliminating vulnerabilities in the Windows operating system that could be the root cause of the incident.

MBSA scans the system for missing security updates, misconfigurations, and other vulnerabilities and provides detailed reports and recommendations for remediation. This step is vital in the eradication phase, where the goal is to remove the root causes of the incident and secure the system against future attacks. By ensuring that all necessary patches are applied, Finn is addressing any security gaps that could be exploited by attackers.

The responsibility of first responders does not include shutting down or rebooting the victim’s computer as a measure to preserve temporary and fragile evidence. In fact, such actions can potentially alter or destroy volatile data that could be crucial for the investigation. The primary responsibilities of first responders include protecting and identifying the crime scene, and ensuring the preservation of evidence in its original state as much as possible, which may involve isolating affected systems from the network but not necessarily shutting them down or rebooting them without proper forensic readiness and consideration.