It is important to have an IT Due Diligence Checklist as it ensures that all the necessary elements of a business’s IT infrastructure are examined before any corporate transaction or investment. The checklist helps identify potential risks, gaps in security, compliance requirements, and other issues related to IT systems that could otherwise be overlooked. By having this list in place, organizations can make informed decisions when it comes to their IT investments, ensuring that they are secure and compliant with industry standards and regulations.