Should I give up on keeping myself cybersecure?

I know almost nothing about cybersecurity. Nothing actually…
Now that I’ve got that out of your way, I’d like to know if it’s worth trying, for an internet user that has most-likely lost access to more than 300 personal accounts (of which 12-14 are e-mail accounts, all of them being linked to each other in some kind of way or another), to sit down and begin working on his „situation“. I won’t be touching on the subject of how that …

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