A tabletop exercise is the most effective way to quickly assess a cybersecurity team's readiness to respond to a threat scenario. CompTIA Security+ SY0-701 describes tabletop exercises as discussion-based simulations where incident response team members walk through a realistic scenario to evaluate procedures, decision- making, communication, and coordination. These exercises are specifically designed to be conducted in a short timeframe while still providing meaningful insight into preparedness.
Executing a tabletop exercise allows management to observe how the team identifies threats, escalates incidents, assigns roles, and follows the incident response plan. Documenting performance results helps formalize findings, identify gaps, and improve playbooks and procedures without the complexity of a live incident or full-scale simulation.
Option A is informal and does not test real-time decision-making. Option B focuses on vulnerability discovery, not response readiness. Option D can be effective but is time-consuming and not suited for rapid assessment.
Therefore, C: Execute a tabletop exercise and document the performance results is the correct answer.

Shadow IT is the term used to describe the use of unauthorized or unapproved IT resources within an organization. The marketing department set up its own project management software without telling the appropriate departments, such as IT, security, or compliance. This could pose a risk to the organization's security posture, data integrity, and regulatory compliance1.
References: CompTIA Security+ Study Guide: Exam SY0-701, 9th Edition, Chapter 2, page 35.

Detailed Explanation:This scenario highlights the need for training on the secure use of removable media.
Users should learn to avoid using untrusted external storage devices to prevent malware infections. Reference:
CompTIA Security+ SY0-701 Study Guide, Domain 4: Security Operations, Section: "Removable Media Controls and User Awareness Training".

A vulnerability scan is the most likely method to identify legacy systems. These scans assess an organization's network and systems for known vulnerabilities, including outdated or unsupported software (i.e., legacy systems) that may pose a security risk. The scan results can highlight systems that are no longer receiving updates, helping IT teams address these risks.
Bug bounty programs are used to incentivize external researchers to find security flaws, but they are less effective at identifying legacy systems.
Package monitoring tracks installed software packages for updates or issues but is not as comprehensive for identifying legacy systems.
Dynamic analysis is typically used for testing applications during runtime to find vulnerabilities, but not for identifying legacy systems.