CEH Module 7: Malware Threats

Module 7 of CEH: Malware Threats explains the basics of different types of harmful software (malware) and how they can negatively affect computers and networks. It describes the usual methods attackers use to spread this harmful software on the internet and talks about unwanted programs that users might unintentionally install.

What is Malware?

The word malware is a combination of two words: mal+ware, which means malicious+software that damages the user’s computer system or network or even takes over control from the user. Some of the most common types of malware are viruses, worms, Trojans, backdoors, rootkits, botnets, ransomware, spyware, adware, and many more. This malicious software can cause significant harm by deleting files, slowing down the computer’s performance, stealing sensitive information, and even locking the user out of their own system. These malicious programs are used to:

• Spy on the web browsing and watch which websites you’re visiting.
• Make the computer drag along slowly and not work as well as it should.
• Take private details, such as who you know and other personal info.
• Get rid of important files you have, causing you to lose a bunch of stuff.
• Use the infected computer to go after other computers.
• Fill the email with lots of annoying junk ads.

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