Indicators your computer has been hacked

15 pts.
Tags:
cybersecurity
Hacking
What are some indicators that your PC (XP) has been/is being hacked. EX: I was surfing (MozFire) and the browser seemed to freeze momentarily. I closed and reopened, but when I ended my session I noticed my PC clock had frozen for an hour, I started session at 11:10. I ended at 1:05 but the clock read 12:09 until I closed the browser and started to open Task Master to research activity and then the clock updated. Is this a possible sign of hacking? This clock thing has happened before. What other signs might indicate hacking. I've downloaded Process Exp and Process Monitor but I don't know what I am looking for. Please advise.

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One of the best ways to know if your system has been hacked is to go to the Task Manager.  When you are on your system and it is slow or lagging, go there and see what other programs are running in the background.  If you see something that you are not sure of, Google it, read what it is.  If it is a bogus program, like adware, simply stop the process.  Now you have the fun task of finding the file that is causing all of your problems.

Good luck

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  • TomLiotta
    Indications would be that your firewall logs show unexplained accesses from external addresses, or that AV/anti-malware scans show infections, or files show up on your system that shouldn't exist, or processes run that you didn't start, and similar things. Simple misbehavior of programs can be and probably are from lots of things totally unrelated to being "hacked" (which is very unlikely for a personal/home PC anyway). -- Tom
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  • jinteik
    can it be due to virus too? if you are worried, resetup your pc again from scratch
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  • TomLiotta
    One of the best ways to know if your system has been hacked is to go to the Task Manager.  When you are on your system and it is slow or lagging...   The proposed 'Answer' is unlikely to answer the actual question.   The Task Manager can show you if some unexpected process is running or if a recognized process is using an excessive amount of processor or other resources. But by itself, that's not evidence of being 'hacked'. If the process should not exist nor be using as much resources, a far more likely cause is a virus/trojen/etc. infection, most likely introduced by user actions than by being 'hacked'.   Without supporting evidence from a firewall log or similar, there should be no reason to consider 'hacking' as a cause for Task Manager activity.   Tom
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