The contemporary world is now a world of the internet and cybersecurity. The ease that comes with the internet also cleared the ground for cyber intrusion and internet crime.

Hackers employ various means to get access to private data, files and servers. Some of the known methods they use are computer viruses, worms, spyware, ransomware, trojan horse, etc.

Some hackers have also deployed stealth and effective means of accessing credentials through email attachments and phishing.

Unethical hackers also spread computer viruses through pirated software programs. They also intrude on users' privacy by exploiting unfixed bugs in a software program.

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