In what scenario would Security Center primarily initiate a workflow?

Security Center primarily initiates a workflow upon detecting security threats. This involves proactive measures to address potential vulnerabilities or attacks on the system. When a security threat is identified, such as suspicious activity, malware detection, or unauthorized access attempts, Security Center triggers automated responses to mitigate the issue. These responses can include isolating affected resources, notifying administrators, and initiating remediation processes to safeguard the environment.

In contrast, user-reported issues would typically follow a different workflow that relies on user input rather than automated threat detection. Updating service documentation is a routine administrative task that does not involve security monitoring and response. Routine maintenance checks, while important for overall system health, focus on performance and operational efficiency rather than immediate security threat mitigation. Therefore, the correct answer emphasizes the proactive nature of Security Center's response capabilities in the context of security management.