A recently installed application update caused a vital application to crash during the middle of the workday. The
application remained down until a previous version could be reinstalled on the server, and this resulted in a
significant loss of data and revenue.
Which of the following could BEST prevent this issue from occurring again?
Application configuration baselines
Application access controls
Application patch management
Patch management is the process of maintaining the latest source code for applications and operating systems
by applying the latest vendor updates. This helps protect a system from newly discovered attacks and
vulnerabilities. A part of patch management is testing the effects of vendor updates on a test system first to
ensure that the updates do not have detrimental effects on the system, and, should the updates have no
detrimental effects on the test systems, backing up the production systems before applying the updates on a