How To Secure Computer Network

Computer network is susceptible to the security vulnerabilities and internal and external threats like viruses, spyware, adware, Trojan horses, intruders and the hacker’s attacks.  Securing a computer network is the most important job responsibilities of the network administrators.  Security solutions are different for the different types of the network infrastructures.   Before implementing a security solution to your network you need to know the common threats. The most common threats to a computer network include the following.

Common Threats

• Viruses.
• Spyware.
• Adware.
• Sniffers.
• Hackers.
• Trojan horses.
• Eavesdropping.
• Unauthorized Access.
• Dangerous Macros.
• Packet Sniffing
• Email Spoofing.
• Denial of Service.
• Hidden File Extension.
• Physical Theft.

There are numerous security solutions that can be implemented based on the infrastructure of your network.

Security Solutions

• Install up-to-dated antivirus software and regularly scan all the computers with it.
• Install anti spyware program.
• Update your operating system with the latest services packs ad the security patches.
• Increase the security level of your browsers.
• Implement a software or hardware firewall on the gateway computer.
• Use Internet security suite software by Symantec, McAfee, Panda Antivirus or Trend Micro Office Scan.
• Use the combinations alphanumeric strong passwords.
• Use network analyzer, networking monitoring software to monitor the activities on your network.
• Block unused ports and the network services.
• Train your employees about the potential physical and online security threats.
• When you are using wireless network, use robust passwords, disable SSID broadcast, map the IP addresses of the individual computers with the MAC address of the computer and change the default password of the wireless router.