Updates and patch management: the dullest measure that stops the most attacks

Of all security measures, this may be the dullest, and at the same time one of the most effective: keeping your software up to date. A large share of successful attacks exploits a vulnerability for which an update had long existed, but which was not installed. That is low-hanging fruit you can easily remove.

Why updates matter so much

Software contains flaws, and some of them are security vulnerabilities. As soon as a vendor closes a hole with an update, that hole becomes public, and attackers actively look for systems that do not yet have the update. Every day you wait therefore increases your risk. “Patching” is nothing more than closing that door in time.

What “patch management” means in practice

You do not need to set up a big department for it. For SMBs it comes down to a few agreements:

1. Enable automatic updates where possible, on operating systems, browsers, and apps.
2. Do not forget the less visible things: your router and firmware, printers, cameras, and other devices with software.
3. Prioritise what is reachable from the internet. That is where the risk is greatest; install those updates with priority.
4. Keep a simple overview of your main systems and whether they are current.

Watch out for outdated equipment

Software that is “end of life” no longer receives updates and therefore remains permanently vulnerable. Think of an old operating system or a device the manufacturer no longer supports. Such systems are a lasting risk; plan timely replacement or isolate them from the rest of your network.

Balance between speed and stability

Sometimes businesses hesitate to update out of fear that something will break. It is fair to test on critical systems first, but do not let that become an excuse to do nothing for months. The risk of not updating is almost always greater. A good backup (see backup strategy) also gives you the confidence to push ahead.

Part of the basics

Update policy belongs to the same basic hygiene as MFA and backups, and deserves a place in your IT policy. Together they cover the vast majority of everyday threats.

Help setting it up?

We help you set up a simple, workable update process that fits your organisation. See our cybersecurity service or book a conversation.