Hacking News How do you know if you have been hacked?

Published on July 14th, 2019 📆 | 7715 Views ⚑

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How do you know if you have been hacked?

Hacking is a broad term that generally refers to unauthorized access into the data of a person or organization. Digital gadgets can get hacked, as well as accounts on various platforms, and the primary aim of hackers stealing information is to make money.

 

Depending on the suspected hacked platform, this post continues from my previous article on what happens when you are hacked. We will first look at how to know if you have been hacked on specific platforms or gadgets, and then talk about the general symptoms that usually mean you have been hacked.

 

 

If you suspect that your email is hacked, here is what to do. Thankfully, Gmail and Apple email have settings that allow you to confirm all the locations where your account has been logged in from.

 

Although some hackers usually use VPNs to mask their location, on the log, if you see that your email account was accessed from a strange state or country, you were probably hacked. HaveIBeenPwned.com and Breachalarm.com allow you to check for yourself.

 

 

Just like Gmail and Apple Mail, you can check sign-in locations on all major social media accounts. The first thing hackers do when they breach your account is to change the password, so that is a way you can be sure your account has been hacked – if your ID or password is changed.

 

check sign-in locations

 

Social media getting hacked is tricky because the perpetrators can carry out a whole lot of activities, from defrauding family and friends in your name to sending and accepting friend (or follow) requests.

 

So, if you have access to the account, log in and check your birthday, friends, messages, pictures, posts, etc. Delete the posts that you did not make if any; apologize to important people that were defrauded and explain to everyone in a post or tweet.

 

 

You can get a hint that your social phone or tablet has been hacked if you see installed apps you don’t remember installing. Also, phone malware runs in the background most of the time, even when the phone is not in use; so, your battery dying too quickly can mean the phone has been hacked.

 

 

Computers are inviting to hackers because of the sheer amount of data these machines hold. I will elaborate on these signs because they are the most severe. These types of hacks are not targeted at your social accounts, banks, or electronic funds transfer services; they aim to compromise your computer.

 

These have the most severe impacts because if your computer is hacked, all your accounts, their passwords, credit cards, etc. are at risk.

 

Most PCs have been hacked and compromised at some point.  Except for some stealth-mode viruses, a hacked computer usually exhibits odd signs, including the following:

 

 

A recent ransomware attack is WannaCry. Your files and folders are encrypted. Encrypted files almost always translate to a ransomware attack, where the perpetrator encrypts all your data and hold you to ransom until you pay them to decrypt your files.

 

They also usually have a countdown timer set to a date on which they threaten to delete all your data permanently if you have not paid. Unlike the other attacks on this list, ransomware is probably one of the most dangerous, because most times, when it infects your computer, your only ways out are either completely formatting your computer or shelling out huge bucks to pay the hackers.

 

My computer was once a victim of this aggressive malware. I, one day, discovered that all the files on my computer were encrypted and saw this persistent prompt asking me to pay $300 in Bitcoin to be able to decrypt my files.

 

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I kept trying out various techniques to remove this infection, and when the timer on the prompt finished counting down, all my files were deleted, and I ended up formatting my hard drive.

 

 

Your computer gets slow and not work at times. This happens when your PC is a botnet or zombie system, which is used to carry out distributed attacks. It could also be as a result of virus activities in your system.

 

 

If you suddenly start getting random pop-ups on your internet browser when you visit every page, you have probably been hacked. Some sites usually show ads, but then if you see pop-ups when you visit a website that you are sure does not have those pop-ups, you can suspect that your computer has been compromised.

 

 

If you start to see toolbars in your browser which you do not remember installing, you can be almost sure that your computer has been hacked. These annoying toolbars usually are of no use to you, but they usually mess with your browser and PC.

 

For instance, another sign of hacking that generally comes together with the strange toolbars is that your homepage changes to a weird looking website.

 

Strange Browser Toolbars

 

 

The catch here, for the hackers, is that through these toolbars, they can create a back door to install other malicious software that can log your keystrokes or even control your computer remotely.

 

A way to identify malicious toolbars on your browser is that they would act spammy and often interrupt your browsing regularly forcing you to either download or purchase something. If you get these, there is a high chance that your browser is being monitored. The first thing to do if you suspect a toolbar is to uninstall it because the longer they stay in your computer, the higher the chances of the malware spreading in your system.

 

 

This is a variation of the strange toolbars. If you have ever noticed installations of unknown applications start on their own, you have been a victim of a cyber attack. The scariest thing about these kinds of malware is that by starting the installations automatically, you can see that they have privileges on your computer; privileges that can include modifying your computer’s registry or even disabling your antivirus software. Both are dangerous because they leave your system’s defenses weak and allow other malware to get in.

 

 

One of the surest signs that say you have been hacked is a persistent warning alert from your antivirus or some other protection tool, saying that your computer is at risk. If you have used your antivirus software for long enough, you would recognize its alerts and tell which are simply fake.

 

Attackers send these alerts to cajole you into clicking a link and installing their Trojan that is disguised as the protection software you need. Sometimes, the warnings do not link to protection software, but know that they may also try to get you to pay for something and steal your credit card details in the process.

 

These alerts are brought about when hackers exploit old applications or outdated software on your computer, and these are clear signs that your system has been compromised severely. Immediately you notice these; you need to scan your computer with good antivirus software to trace the root of the hack and measure the damage done.

 

 

This is a tricky one because technical glitches can cause random mouse pointer movement. However, there’s a difference between arbitrary, bouncy mouse pointers and one that is carefully navigating your screen, opening files and folders, and installing stuff. The latter clearly indicates that some other person is controlling your computer remotely.

 

Hackers can gain remote access to your mouse pointer and even your mic and webcam in most cases. Most of these remote attacks are carried out at times when your computer is in an idle state or when you are asleep.

 

If you observe any weird mouse movements, shut down your computer (you can use the power button) and remove your battery. This stops any remote user from using your PC in the meantime, while you get help.

 

Other notable mentions are strange financial transactions, disabled antivirus protection, unexpected invalid password, website auto redirects in the browser, etc. Basically, if you notice any strange behavior on your computer or notice something that was not there previously, you should be wary of your information security. Also, if you experience any of the above signs, refer to this post on what to do when you have been hacked.

 

 



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