Cybercrime Is Changing and It’s Catching Businesses Off Guard
Richard Watts • February 25, 2026

Cyber attacks aren’t just becoming more advanced. In many cases, they’re becoming easier to launch. Recent incidents show attackers using readily available AI tools to compromise hundreds of business firewalls in a short space of time. These weren’t highly complex, movie-style hacks. They were large-scale, automated attacks that focused on very ordinary weaknesses.


What This Wasn’t: Zero-Day Exploits

You’ll often hear the term “zero-day exploit” in the news. This refers to a brand-new software vulnerability that even the manufacturer doesn’t yet know about, meaning there’s “zero days” to fix it. Those attacks do exist, but that’s not what’s worrying security teams right now.


What Is Happening Instead?

Rather than hunting for rare, unknown flaws, attackers are using AI to:


  • Scan thousands of networks automatically
  • Identify misconfigured firewalls or exposed services
  • Test weak or reused passwords at machine speed


In other words, they’re exploiting things that already exist, just doing it faster and at scale.


The Set-and-Forget Firewall Problem

For many organisations, the firewall is treated as a one-time installation. It’s set up, signed off, and then largely forgotten unless something breaks.

Unfortunately, that assumption is exactly what modern attackers rely on.

Business networks change. New users, new systems, remote access, cloud services and suppliers all add complexity over time. If firewall rules, access permissions and credentials aren’t reviewed regularly, gaps slowly appear — and automated tools are very good at finding them.


Why Perimeter Security Needs Ongoing Attention

Today, perimeter security isn’t about having a firewall. It’s about actively managing it.

That means:

  • Regular firewall configuration reviews
  • Removing outdated or overly-permissive access rules
  • Auditing admin accounts and credentials
  • Monitoring external exposure so issues are spotted early


These simple, proactive steps dramatically reduce the risk of falling victim to large-scale, automated attacks.

A Simple Sense Check

If you haven’t reviewed your firewall configuration or external network exposure in the last six months, it’s worth asking a straightforward question:


Would your setup stand up to today’s threats — or yesterday’s?


How Quicksmart IT Helps

At Quicksmart IT, we help businesses move away from reactive, fire-fighting security and towards a posture designed for the reality of modern cyber threats. including automated, AI-driven attacks and have a range of products that can help you protect yourself and your business. Why not start by checking you domain? With our free domain checker.


If you’d like to sanity-check your current setup, now is a sensible time to start that conversation.


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By Quicksmart IT January 30, 2026
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