What does the acronym SIEM stand for?

The acronym SIEM stands for Security Information and Event Management. This term refers to a comprehensive solution that provides real-time analysis of security alerts generated by applications and network hardware. SIEM systems combine security information management (SIM) and security event management (SEM) functions into one unified product.

In practice, SIEM solutions are designed to collect, analyze, and manage security data from various sources within an organization. This includes logging data, security alerts, and compliance assurance capabilities. By doing so, they assist organizations in detecting threats, responding to incidents, and maintaining the overall security posture.

The other options, while they involve management and monitoring concepts, do not align with the established terminology related to cybersecurity and information security practices that SIEM represents. Thus, it's clear why "Security Information and Event Management" is the accurate definition of the acronym SIEM.