When a legacy device is no longer receiving updates or patches, it is considered to be at the end of life (EOL). This means the manufacturer has ceased support for the device, and it will no longer receive updates, security patches, or technical assistance. EOL devices pose security risks and are often decommissioned or replaced.
End of support may seem similar but typically refers to the cessation of technical support, whereas EOL means the device is fully retired.
End of business and End of testing do not apply in this context.

An intrusion prevention system actively detects and blocks malicious network traffic. Since the organization already has a firewall but is still being attacked, adding prevention capability provides stronger protection against repeated network-based attacks.

Data sovereignty refers to the principle that data stored in another country remains subject to the originating country's laws. This is a common concern in cloud computing.

By using APIs will allow for increased speed of data transfer compared to file based transfer methods liker SFTP.

File integrity monitoring detects unauthorized changes to static files by comparing them against known baselines. A web application firewall helps prevent unauthorized modifications by filtering and blocking malicious requests targeting the web server.