Network & Server Security Basics

Network and server security is as simple as adhering to a set of predefined rules. In another word, network security refers to any kind of activity performed and/or designed to make sure that your network isn’t exposed to possible vulnerability that can impose risks to your sensitive data. These activities are supposed to protect your network’s usability, reliability, integrity, and safety. An effective network security targets a specific variety of threats and prevents them from entering and spreading in your network. Now that you have a basic overview of network security, let’s go to the actual rules and implementations required to make a network secure.

Before we begin, let me tell you that this is not for enterprise-level network security. This post is aimed towards small businesses and individuals who wanted to make sure that their network is safe from vulnerabilities and threats. Okay, let’s start.

What Are The Threats?

There are many network threats that are spreading through the internet. Some of them are the following:

  • Viruses, worms, and Trojan horses
  • Spyware and adware
  • Zero-day attacks, also called zero-hour attacks
  • Hacker attacks
  • Denial of service attacks
  • Data interception and theft
  • Identity theft

With an effective security, you can avoid being a victim of any one of the above. Here are some of the general ideas and things to consider in making sure that your network is secured:

  1. Firewall and router – an effective firewall can block any incoming malicious connections. By setting up rules to block any malicious incoming connections, you are greatly reducing your security risk. There are a lot of router options to choose from, each comes with an effective firewall and logging features to enable you to control your network performance.
  2. Use a solid host – If you’re using a third party (you likely are) to host your network make sure they’re offering a high quality server. This doesn’t have to be expensive, this is an example of a solid windows VPS.
  3. Content filtering – it’s best way to avoid facing security risks rather than trying to prevent them from penetrating the system. Content filtering ensures that your network has restricted access to potentially malicious websites that often contains malware.
  4. Use strong passwords – a good password can greatly secure your network. A good password is nonsensical: consider using an acronym from a long phrase as your password. One phrase example is, “Stay Away Malicious Hackers Because You Can’t Breach My Unparalleled Security”, which will translate as samhbycbmus, a very nonsensical password. Obscure it further by making it look like this: $@mhbycbmu$.
  5. Backup – there are times where you can’t stop a virus or malicious software spreading and the only way to prevent or end it is by doing a backup restoration. This is always a good thing to do to make sure that all of your data are safe. Ensure regular backups are in place and write down your passwords in case your forget them.

There are techniques that are more advanced, hardware and software that you can implement if you want to further your network security. But for small business users, this will work.

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