A security analyst receives the below information about the company's systems. They need to prioritize which systems should be given the resources to improve security.

Host

OS

Key Software

AV

Server 1

Windows Server 2008 R2

Microsoft IIS

Kaspersky

Server 2

Ubuntu Server 22.04 LTS

Apache 2.4.29

None

Computer 1

Windows 11 Professional

N/A

Windows Defender

Computer 2

Windows 10 Professional

N/A

Windows Defender

Which of the following systems should the analyst remediate first?