Security Strategies
Are You Leaving Your Doors Open? The Hidden Danger of Public-Facing Ports
Robin Hill
December 30, 2024
Summary
Public-facing ports often fly under the radar for many businesses, but they can pose significant security risks if left unchecked. Ports meant for internal use, such as database and firewall configuration tools, should never be exposed to the internet. Changes to your attack surface can happen quickly and without warning, making continuous monitoring essential. Tools like DarkInvader’s DarkInsight portal can help businesses discover, track, and secure their public-facing assets, providing the visibility needed to stay ahead of potential threats. Remember, you can’t protect what you don’t know exists.

When was the last time you checked your public-facing ports? For most businesses, the answer is likely somewhere between “not recently” and “never.” It’s not surprising. Ports don’t exactly scream for attention, and unless you’re deeply entrenched in cybersecurity, they probably don’t feel like a top priority. But here’s the thing: your ports can be a quiet gateway to some very loud problems.

Imagine this: your IT team has everything locked down. Firewalls? In place. Passwords? Stronger than steel. But one day, an attacker discovers a port left unintentionally exposed. It could be something seemingly benign, like a forgotten database port or a firewall configuration tool. For the bad guys, though, it’s an open door.

Public-facing ports are a bit like the windows of your house. They let the world in, which is great when that’s their purpose—a web server, for instance. But a database port? That’s like a window into your bedroom, and it’s meant to be private. If left open to the internet, it’s only a matter of time before someone tries to climb in.

What makes the situation trickier is how often these ports can change. Businesses evolve, new software gets installed, configurations get tweaked, and without proper monitoring, a new public-facing port can appear overnight. Often, it happens without anyone realising until it’s too late.

So, what’s the big deal with these “internal-use only” ports? Let’s break it down. Ports like database access points, firewall admin panels, and similar tools are designed to be used within your secure network. They’re not built to withstand the kind of poking and prodding they’ll get from the open internet. If they’re exposed, they become glaring vulnerabilities. Attackers can brute force their way in, exploit outdated software, or even just eavesdrop on unsecured connections. All roads lead to bad news.

The good news? You don’t have to navigate this minefield on your own. This is where tools like DarkInvader’s DarkInsight portal come into play. DarkInsight helps businesses with external attack surface management (EASM), a fancy way of saying it keeps an eye on your public-facing assets. It tracks what you have, flags when something changes, and gives you the heads-up if something looks out of place. Think of it as your friendly neighbourhood watch for ports and other external risks.

Why is this important? Because without asset discovery and monitoring, it’s almost impossible to know what’s out there. Your IT team can only fix what they know about. DarkInsight bridges that gap, ensuring you stay informed and proactive. It’s not about replacing your current security measures; it’s about giving them an extra layer of intelligence and awareness.

At the end of the day, cybersecurity isn’t just about strong defences; it’s about visibility. You can’t secure what you can’t see. And for many businesses, public-facing ports are an unseen risk that’s just waiting to be exploited. But it doesn’t have to be that way. A little attention, the right tools, and a commitment to monitoring can make all the difference.

Robin Hill

Robin Hill, a co-founder of DarkInvader, brings over 20 years of success in corporate sales, primarily within the enterprise sector. He previously co-founded RandomStorm, a cybersecurity company that was successfully acquired by Accumuli PLC in 2014. Throughout his career, Robin has demonstrated a strong sales focus, driving growth and building lasting client relationships. His deep expertise in sales and his experience leading innovative security firms have positioned him as a key figure in both the business and cybersecurity landscapes.

Sign Up for Your Free Account

Unlock continuous, real-time security monitoring with DarkInsight. Sign up for your free account today and start protecting your external attack surface from potential threats.

Create My Free Account