Computer Security

Viruses, worms and trojan horses are all?           

Maelezo ya Majibu

Viruses, worms, and trojan horses are all examples of malicious software, also known as malware. Malware is software that is designed to harm or exploit a computer system. A virus is a type of malware that infects a computer file and then spreads to other files on the same computer or to other computers on the same network. A worm is similar to a virus in that it can spread from computer to computer, but it does not need to attach itself to a specific file. Instead, it can create its own network connections to spread. A trojan horse is a type of malware that is disguised as a legitimate software program. When the program is installed, the trojan horse is activated and can then steal sensitive information or cause other harm to the computer system. In summary, viruses, worms, and trojan horses are all malicious software that can harm computer systems, and it is important to protect your computer from these types of threats by using anti-virus software and being cautious when downloading and installing programs.

One of the following is not a good way to prevent virus.

Maelezo ya Majibu

Carelessly exposing your vital and personal information is not a good way to prevent viruses.
Exposing your vital and personal information without caution makes it easier for hackers and malicious software to gain access to your sensitive data. This can lead to various cyber threats, including viruses, malware, and identity theft. It is crucial to protect your information by practicing safe browsing habits, being cautious about sharing personal details online, and avoiding suspicious websites or links.
However, encryption, the use of a firewall, and antivirus software are effective ways to prevent viruses:
- Encryption involves converting your data into a coded form that can only be accessed with a decryption key. It ensures that even if someone gains unauthorized access to your data, they won't be able to understand or use it. Encryption is commonly used for secure communication and storage of sensitive information. It adds an extra layer of protection and makes it difficult for viruses or unauthorized users to exploit your data.
- A firewall acts as a protective barrier between your computer network and the outside world, monitoring incoming and outgoing traffic. It helps block suspicious or potentially harmful connections, preventing viruses and other malicious software from entering your system. A firewall can be physical hardware or software-based, often included in modern routers and operating systems.
- Antivirus software is designed to detect, prevent, and remove malicious software, including viruses. It scans files and programs for known patterns or behaviors associated with malware, blocking or quarantining infected items to protect your computer. Antivirus software should be regularly updated to stay up to date with the latest threats and provide maximum protection. It is an essential tool in safeguarding your computer and data against viruses.
In summary, while carelessly exposing your vital and personal information puts you at risk, encryption, the use of a firewall, and antivirus software are effective measures to prevent viruses and maintain a secure computing environment.