Which of the following is NOT a common type of alert in Tenable.SC?

In Tenable Security Center, the primary focus is on identifying vulnerabilities and streamlining the response to security issues through various alerts. Alerts are typically associated with ongoing processes that require user attention or indicate actionable insights regarding security health.

When examining the options, generating a report does not prompt an alert in the same proactive manner as launching a scan, assigning a ticket, or generating a syslog. Alerts are generally about immediate actions or reactions to security findings, whereas generating a report is an ongoing data presentation task that does not necessitate immediate user intervention as part of the alerting mechanism.

Launch scan, assign ticket, and generate syslog are all operations tied directly to monitoring and responding to security events. These functions help users stay informed and take action based on the current security landscape, thus making them integral parts of the alerting process within Tenable.SC.

In summary, while generating reports is essential for understanding security trends and outcomes, it does not fit into the category of common alert types designed for immediate operational responses, making it the correct choice in this context.