If you notice that some of your files have suddenly been encrypted without your knowledge, it could be a sign that your computer has been hacked. If the hacker demands money from you in exchange for decrypting these files, then you have a classic ransomware attack on your hands.

if you’re experiencing unusually slow internet speeds, it could be a sign that your network has been hacked. Hackers often use ‘stolen’ bandwidth to carry out their attacks and reduction in your connection speed could be a sign that you’re dealing with data breaches, external file transfers or malware.

One of the most common signs that you’ve been hacked is an increased number of complaints from your contacts or customers about unusually high email traffic from your account. This usually happens because the hacker has accessed your email account and is sending out spam or phishing emails from it. This is a common tactic used by hackers as they know that users are less likely to report spam emails if they come from a trusted email address..

If your passwords stop working, it may indicate that someone has hacked into your system and stolen your login credentials. This is a common tactic used by hackers, as it allows them to access your accounts unhindered and can be used to launch a ransomware attack.

If your browser settings are odd or the browser has new toolbars and plugins, it could open you up to malicious applications, websites and search redirection, which is what cybercriminals use to generate traffic and make money.

When annoying popup ads refuse to close or go away, it’s typically a bug and not a feature on a website.

Unwanted and unexpected software installs may appear on your system and are another common symptom of a cyber hack. Most modern malware programs are Trojans and worms and install along with legitimate programs.

Read software license agreements to determine if they’ll be installing more than one program. Opt out of other programs, if possible, or disable unrecognized programs after you check your installed programs.

Either you or someone else discovers your confidential data is up for sale on the internet or dark web. If you’re informed by a third party, you’ll need to verify that it’s true