Microsoft offers a free online course that addresses issues like this: https://docs.microsoft.com/en-us/learn/paths/tech-resilience/ https://docs.microsoft.com

Microsoft offers a free online course that addresses issues like this: https://docs.microsoft.com/en-us/learn/paths/tech-resilience/ https://docs.microsoft.com/en-us/learn/paths/tech-resilience... It is long, detailed and deals with exactly the situation you describe.