Some documents in my macbook changed file name to another saved file’s name without me doing it. I just wanna know, how and why this has happened?

Is this a sign of my computer being hacked or just some random error? Fyi, i was using this laptop for work and do receive emails from some of my (maybe-not-so-trustworthy) subordinates. What are some tell-tale signs of macbooks being hacked? Appreciate some light being shed on this matter. Cheers!

submitted by /u/royalflush59
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from hacking: security in practice https://ift.tt/OwR3hre