Many people still get confused over what inbound and outbound means in various industries, let alone network security. You still see attempts at explaining inbound and outbound marketing, and even in physical labor industries. In the realm of online security, it's perhaps a little more confusing since some assume inbound threats are more important than anything outbound.
If you're new to the network security industry, it's time to learn the difference between inbound and outbound security so you see why the latter is sometimes as important as the former.
You also need to know these two network security parts aren't necessarily separated from each other. They should work hand in hand to properly weed out issues. Inbound alone is not enough anymore.
Here's a detailed look at the ins & outs of network security and how you can bring them together to find real threats to your online community.
What is Inbound Security?
Inbound security can be defined as protecting our users and infrastructure from the Internet.
There isn't any question that the world now has more inbound network security threats than ever before. Recent statistics show issues like data breaches, ransomware, and browser plug-ins are three of the most egregious inbound threats companies face through this year and beyond.
With proper inbound security tools like firewalls, IDSs, spam filters or classic malware scanners many of these get blocked. But as we all already know, we can not create 100% security and there will always be threats that are to early, unknown or just to clever for the security measure we have in place.
This leads to compromised hosts within our infrastructure which are threatening everybody else.
What is Outbound Security?
Outbound security can be defined as protecting the Internet from our users and infrastructure.
These compromised hosts within our own infrastructure run the same attacks on other networks, which most likely use the same inbound security mechanisms as we do. On the outbound security side, there is not as many possibilities available. One very well known and meanwhile mandatory outbound security tools are outbound spam filters. Those make sure compromised hosts or stolen user credentials are not able to send huge amounts of spam through our infrastructure.
Filtering is a good way to minimize the harm, but it's not solving the problem. We need to remediate the problem and make sure the compromised hosts get fixed or the stolen user credentials be reset.
Making Inbound and Outbound Security Work Together
This remediation process is based on detection, which is based on external and internal data. Parts of this data is collected on firewalls, spam filters, IDSs (inbound) and for example your outbound spam filters. Learn how SpamExperts and Abusix work together for this.
Analyzing these data points will give you the information you need to detect, mitigate and remediate your internal issues and make your network a safer place for your customers and anybody else on the internet.
We are happy to help you with both of those tasks. Receiving and analyzing the right data to mitigate and remediate as well as sending information of attacks towards your network to the right people to help them remediate their customers. See AbuseHQ in action. Get started with a 30 day free trial.