What is Network Security?
Network security is any activity designed to protect the usability and integrity of your network and data. It includes both hardware and software technologies. Effective network security manages access to the network and targets a variety of threats to stop them from entering or spreading on your network.
The Layered Approach
Like a bean dip, your security should be layered. Network security combines multiple layers of defenses at the edge and in the network. Each network security layer implements policies and controls. Authorized users gain access to network resources, but hackers are blocked from carrying out threats.
The layered security approach is a simple concept: the more hoops a hacker has to jump through, the less likely they are to be successful. The trick is to create a layered bean dip with the right consistency so your chip doesn’t break off. In other words, while you want hackers to have a hard time breaking into your systems, you want to keep your security simple and seamless for users.
6 Layers of Security
1) Response Plan – The first layer, the foundation, is the response plan. In the event of a breach, having a clear response plan in place will help ensure that you address all of the necessary pieces of remediation. Without a plan, you are more likely to miss something as you hastily try to patch holes, leaving your company still vulnerable.
2) Monitoring & Alerting – The second layer is monitoring and alerting. Monitors to help ensure complete coverage of a solution and the networks on which it runs and alerts help ensure that system failures and other issues are dealt with quickly. Without monitoring and alerting, you may never know a hacker has infiltrated your system.
3) Data Encryption & User Permissions – The third layer is like the lettuce and tomato – two ingredients that combine to make one layer. Data is most likely the most important piece of your business, so data encryption and user permissions are essential layers of security.
4) Applications – Data lives within applications, so naturally this is the next layer of security. Ensuring access to applications is accurate and limited, in addition to practicing secure coding methods will help protect your application layer.
5) Operating System – Applications are usually accessed from a desktop, laptop, tablet, or mobile device – so it’s important to make sure these devices are secure. Antivirus software, security policies and patching add security to operating systems.
6) Network – The last layer is the network. Setting up firewalls, intrusion detection systems and user authentication technologies are a few ways to protect your network from potential hackers.
The Bottom Line
Layers of security make your network safer. The better you layer your approach, the safer your network will be.
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You need to work with someone who is keeping their eye on the shifting technology landscape – it’s worth working with a trusted adviser to navigate the options, especially when money is a consideration.