Cyber Security for Small Business: What Perth Business Owners Need to Know

There's a common misconception that cyber attacks only happen to big companies. They don't. In fact, small businesses are frequently targeted precisely because attackers assume they have weaker defences.

Here's what you need to know — without the jargon or the fear-mongering.

Why Small Businesses Are Targeted

Large companies have security teams, dedicated budgets, and sophisticated defences. A Perth small business with 10 staff often has none of those.

Attackers know this. Automated tools scan the internet constantly looking for easy targets — outdated software, weak passwords, unpatched systems. If you're on the internet (and you are), you're in scope.

The Most Common Threats

Phishing is the number one entry point for attacks. An email arrives looking like it's from Microsoft, the ATO, or a supplier. Someone clicks a link, enters their credentials, and the attacker now has access to your email or systems.

Ransomware encrypts your files and demands payment to restore access. For a small business, this can mean days or weeks of lost access to critical data.

Business Email Compromise (BEC) involves attackers gaining access to an email account and using it to redirect payments, issue fake invoices, or extract sensitive information.

What Actually Helps

The good news: the fundamentals cover the majority of real-world attacks.

1. Multi-Factor Authentication (MFA)

Enable MFA on your Microsoft 365, email, and any cloud apps. Even if a password is stolen, the attacker can't log in without the second factor. This is the single highest-impact thing you can do.

2. Email Filtering

A good email security layer blocks most phishing attempts before they reach your team's inbox. Combined with training, this dramatically reduces your exposure.

3. Patch Your Software

Most successful attacks exploit known vulnerabilities in software that hasn't been updated. Keeping Windows, applications, and firmware current closes these gaps.

4. Good Backups

If ransomware hits, a tested backup means you recover. An untested (or non-existent) backup means you're paying the ransom or starting from scratch.

5. Train Your Team

Your team is both the biggest risk and the best defence. Regular security awareness training — including simulated phishing — makes a measurable difference.

The Essential Eight

The Australian Signals Directorate (ASD) publishes a framework called the Essential Eight — eight strategies that, if implemented, significantly reduce cyber risk for Australian businesses. We use it as a baseline when assessing security for our clients.

Where to Start

If you're not sure where your business sits on the security spectrum, an IT security review is a good starting point. We look at what you have, identify the gaps, and prioritise what to fix first based on your actual risk — not a generic checklist.

Get in touch and we'll have a straight conversation about where you stand.