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5 Most Malicious Types of Cybercrimes


Cybercrime is estimated to cost the world $6 trillion annually by 2021. Those with bad objectives are organizing cyber-attacks at organizations, governments, and consumers worldwide. But skilled technical security experts are not in plenty. The various techniques which the criminals use to operate online are startling. Let us take a look at the 5 most malicious types of cybercrime which affects both individuals and companies.


Hackers wants to violate the defenses and exploit weaknesses in a computer system or network. The situations become bad when a hacker accesses systems and leaks or use personal sensitive data. This will lead to reputational and financial damages. Besides the General Data Protection Regulation (GDPR), will fine huge amount to the organizations.

It is important to note that ethical or white hackers should not be confused as criminals or black hat hackers. Ethical hackers help the organizations by simulating attacks on systems, in order to find out any weak spots and decide ways to improve their security measures. There are cases where criminal hackers turn to become security professionals. US hacker Kevin Mitnick spent five years in prison for various computer crimes and then he later decided to use his talents for something good.

Online Identity Theft

Identity theft is nothing but deliberately using someone else’s identity, as a method to do fraud jobs. As it is easy to commit online identity theft it is very commonly practiced by criminals. Example, scammers may create a fake online profile of a beautiful person and ask for money or create fake accounts to harass political parties. On Twitter, many fake accounts of US politician Sarah Palin were created and there was one account which invited followers to her home for a barbecue. The security personnel had to rush to her home to stop unwanted visitors.

Malicious Software

Malware or malicious software are hostile or intrusive software. The different forms of malware are

  • Computer viruses which replicates itself and infects other systems.
  • Trojan horses are computer programs that misleads users of its true intent. There are some which act as a backdoor to the affected computer.
  • Ransomware is a software that frighten the victims to publish their data or block access to his computer until they pay a ransom.
  • Spyware is a software which collects information about a person or organization without them knowing.

An infamous example of a virus is The ILOVEYOU computer worm which attacked tens of millions of Windows personal computers beginning in May 2000. It was spread as an email message with the subject ‘ILOVEYOU’ and the recipients couldn’t resist opening an email with such a subject line.


Phishing is a method of obtaining sensitive information such as usernames, passwords, and credit card details of users. It is performed by sending fake emails and the users are directed to enter personal information on a fake website.

Cyber Stalking

Stalking is a pretty old method and Cyber stalkers use false accusations, defamation, slander and libel to harass their victims A wicked form of cyberstalking is called doxing which is spreading personal information about victims online.

Priyanka R
Cyber Security Enthusiast, Security Blogger, Technical Editor, Author at Cyber Safe News

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