Learn: Types of Malware

Welcome!Today we'll explore types of malware and how they affect IT systems. This lesson is tailored to help you understand key concepts step by step.

What is Malware?Malware refers to malicious software designed to damage, disrupt, or gain unauthorised access to computer systems. It can cause harm to individuals and organisations by stealing data, slowing down systems, or spreading across networks.

VirusesA virus is a type of malware that attaches itself to legitimate programs or files and spreads when the infected file is opened. It can delete files, corrupt data, or slow down the computer.

WormsWorms are malware that replicate themselves and spread across networks without needing to attach to other files. They can overload systems and networks by creating excessive traffic.

TrojansTrojans disguise themselves as harmless software but contain malicious code. Once installed, they can provide unauthorised access to your system or steal sensitive data.

SpywareSpyware is malware designed to monitor your activities and collect sensitive information, such as passwords or browsing habits, often without your knowledge.

RansomwareRansomware encrypts your files or locks your system, demanding payment (a ransom) to restore access. It can be devastating for both individuals and businesses.

AdwareAdware displays unwanted advertisements on your device. While it may not always be harmful, it can slow down systems and compromise privacy.

Review Time!Great work! You've learned about different types of malware, including viruses, worms, Trojans, spyware, ransomware, and adware. Let's test your understanding with a few final questions.