How to know if your PC has been compromised?

I have reason to believe that my laptop has been compromised. This past week I’ve gotten security alerts for one of my bank accounts and trading platforms about an un-authorized login by a 3rd party. My twitter account was also logged into and I got an alert. These are all platforms I constantly use on my laptop, and I have 2FA enabled for everything.

I’ve changed my password, but for my trading platform, it was still logged into and they disabled my account for security.

What could this be, and what can I do?? How can I protect my information?

If this doesn’t belong in this sub please tell me what sub to go to.

submitted by /u/BasedTradster
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from hacking: security in practice https://ift.tt/GkU8Hev

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