10 Questions
What is the primary function of spyware?
To snoop on a user's activity and send back the information gathered to a hacker
What happens when a computer is infected by a worm?
The processing speed slows down, and tasks become unstable
What is the purpose of a trojan horse?
To conceal itself inside the software that seems legitimate
What is ransomware used for?
To encrypt data and demand ransom
What is the function of a rootkit?
To gain administrator access to the host system
What is the primary function of an antivirus software?
To detect and remove malware from a computer system
What happens when a computer virus infects a computer in a network?
The virus spreads to other systems in the network
What does the term 'VIRUS' stand for?
Vital Information Resources Under Seize
What is the main purpose of a firewall in a computer network?
To control the incoming and outgoing network traffic
Why is it essential to have an Internet connection to update antivirus software?
To update the antivirus software with the latest known viruses
Study Notes
Malware
- Malware is a type of malicious program designed to damage or carry out unwanted actions on a computer system.
- The term 'malware' can be remembered as 'badware' since 'mal' in Spanish means 'bad'.
Types of Malware
- Computer worm: a type of malware that can replicate itself without human interaction, consuming memory space and slowing down the computer's processing speed.
- Trojan horse: a type of malware that conceals itself inside legitimate software, activating and infecting the host system when installed.
- Spyware: a type of malware that snoops on a user's activity and sends gathered information back to a hacker.
- Ransomware: a type of malware that accesses the host system's data by encrypting it, demanding payment in exchange for access.
- Rootkit: a type of malware that gains administrator access to the host system, hiding but retaining special access to the system.
- Computer virus: a piece of code or program developed to corrupt data or program files on a computer system.
Computer Viruses
- A computer virus enters a computer without the user's permission, potentially spreading to other systems if the computer is part of a network.
- Viruses can hamper the normal functioning of computer resources, such as processing power, memory, and installed programs.
- A virus can slow down the computer's speed or even damage the hard disk, making it unrecoverable.
- VIRUS stands for Vital Information Resources Under Seize.
Protection from Malware
- Antivirus software: a set of programs that identify and remove malware, detecting and preventing viruses from copying themselves on the computer system.
- Regular updates are necessary to detect the latest known viruses, requiring an internet connection.
- Firewall: a software or hardware-based network security system that controls incoming and outgoing network traffic, preventing unauthorized access to a computer network.
Learn about malware, its types, and how they affect computer systems. Understand the different types of malware including worms, trojans, spyware, and more.
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