Malware

Malware, short for "malicious software," refers to any invasive programme created by cybercriminals (hackers) intending to disrupt a computer, server, client, or computer network via:

• leak private information
• gain unauthorised access to information or systems
• deny users access to information
• inadvertently compromise a user's computer security and privacy.

Malware defence tactics vary depending on the type of malware, but the majority may be blocked by installing antivirus software, firewalls, and other security software.

Types

• computer viruses
• worms
• trojan horses
• ransomware
• spyware
• adware
• rogue software
• wiper 
• scareware.