Anyone who went the route of Network Engineer to Cyber security?

If there is anyone who went the route of Network engineer to Cyber security, I am wondering how you were able to do it, how long were you a network engineer for, before deciding to head into Cyber security and if so what were the steps you took, did you have a CCNA then went to get another certification to then going on the job hunt, what advice would you give someone trying to do this

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