One way to avoid the loss of data due to hard disk crash, accidental removal or due to virus attack is to take regular backup of your data on the CD-ROM, hard drives, USB drive or any other medium. If you have lost your critical data then there are many ways to recover it you just need to find a data recovery specialist in your area.
The key areas that are involved in the computer security are integrity, confidentiality, privacy and authentication. Computer security deals with the development of the security measures that are required for a computer. Firewall software provides a security mechanism that protects your computer from the unauthorized access and hackers’ attacks.
There are different security mechanisms that can be applied to protect the network such as install up-to-dated antivirus program, make regular backup of the critical data, use a strong firewall program, keep your system patched, use strong passwords, install and configure file encryption program, place your network server at very secure place and only authorized users should be allowed to enter in the server room.
Internet Security Threats
There are many known internet threats that can invade any computer that is connected to the internet. If you have not installed and configured any internet security suite then your computer can host many viruses, spyware and adware. The best safeguard against the internet security threats is to install a internet security software, install firewall software or hardware, monitor incoming emails, disable scripting features in the email programs, disable Java and ActiveX and monitor the activities of the users’ on the internet.
Windows Security
Windows XP Professional and Windows 2000 Professional provides the excellent security features such as EFS, strong authentication password and firewall but due to the weak default settings Windows XP Professional has security holes. The following tips provide the basic security measures in Windows XP Professional and Windows 2000 Professional operating systems.
1. Install up-to-dated antivirus program.
2. Use strong passwords.
3. Don’t leave your computer unattended.
4. Enable default firewall settings in Windows XP.
5. Keep your operating system up-to-dated.
6. Encrypt your critical files.
7. Take regular backup of your data.
8. Limit the access of users.
9. Increase the security settings in the browsers.
10. Disable annoying startup programs.
11. Install the latest service packs.
12. Regularly scan your computer for the vulnerabilities and security holes.
13. Adjust event viewer settings.