Change Management
o The process through which changes to the configuration of information systems are monitored and controlled, as part of the organization's overall configuration management efforts o Each individual component should have a separate document or database record that describes its initial state and subsequent changes
* Configuration information
* Patches installed
* Backup records
* Incident reports/issues
o Change management ensures all changes are planned and controlled to minimize risk of a service disruption Change management is a process that ensures changes to systems or processes are introduced in a controlled and coordinated manner. Change management helps to minimize the impact of changes on the business operations and avoid unintended consequences or errors3 Change management can help prevent the issue of utility installation affecting the web server cluster by ensuring that the utility is properly planned, tested, approved, documented, communicated, and monitored.

The security analyst should review the message in a secure environment first. This will help determine if the message is indeed spam or if it contains any malicious content, such as malware attachments or phishing links. Reviewing the message in a secure environment means using a sandbox or an isolated system that can prevent any potential harm to the analyst's system or network. If the message is confirmed to be spam or malicious, then the analyst can take further actions, such as blocking the sender, deleting the email, or notifying the users3.

What is the difference between VPN and VPC?
Just as a virtual private network (VPN) provides secure data transfer over the public Internet, a VPC provides secure data transfer between a private enterprise and a public cloud provider.
VPN (Virtual Private Network) is a technology that provides secure connectivity from the corporate network to a cloud environment. VPN creates an encrypted tunnel between the two networks, allowing developers to access servers in all three tiers of the cloud environment without exposing their traffic to interception or tampering. VPN can also provide authentication and authorization mechanisms to verify the identity and permissions of the developers.

Resource exhaustion is most likely occurring on the server. Resource exhaustion is a condition where a system runs out of resources, such as CPU, memory, disk space, or network bandwidth, due to excessive demand or consumption by one or more processes. Resource exhaustion can cause performance degradation, system instability, or denial-of-service. The server statistics show that the CPU usage is 100%, the memory usage is 99%, and the disk usage is 98%. These indicate that the server is under heavy load and has little or no resources available to handle incoming requests or perform other tasks.