Cyber Security for Cafes and Restaurants: What Hospitality Businesses Need to Know

Running a cafe or restaurant is all-consuming — rosters, suppliers, orders, customers, and compliance already fill the day. Cyber security probably isn't front of mind. But hospitality businesses face real digital threats, and the consequences of ignoring them range from fraudulent invoices to customer payment card data being stolen under your nose.

This post covers what you actually need to know — no unnecessary jargon, just practical steps you can take to protect your business.

Why Hospitality Businesses Are Targeted

Cybercriminals follow the money and the opportunity. Hospitality businesses offer both:

• Card payment data: Cafes and restaurants process hundreds or thousands of card transactions. If a criminal can get malware onto your point-of-sale system, they can silently harvest card numbers over weeks or months.
• Multiple online platforms: You're likely signed into Square or Lightspeed for payments, Menulog and UberEats for online ordering, Deputy or Tanda for rostering — each of these accounts holds financial and operational data.
• High staff turnover: The hospitality industry has some of the highest staff turnover of any sector. If you don't remove system access when staff leave, you're handing ex-employees an ongoing window into your business.
• Busy, distracted environment: A phishing email or a fake invoice is easy to miss when you're slammed during a lunch rush.

The Threats You're Most Likely to Face

Fake Invoice Scams from "Suppliers"

One of the most common attacks on small businesses is the fake invoice scam. You receive an email that looks like it's from a regular supplier — your coffee roaster, your linen supplier, your cleaning company — with a slightly changed bank account number. You pay it without checking, and the money goes to a scammer. These emails often look convincing because they use the supplier's real name, logo, and even reference previous orders. Always call your supplier on a number you already have — not one in the email — to verify any change to their bank details.

POS Malware Stealing Card Data

Point-of-sale malware is software that secretly captures card data as it's processed. It typically gets onto your system via a compromised network, a phishing attack, or a malicious USB device. Using a reputable, cloud-based payment platform like Square or Lightspeed significantly reduces your exposure because card data is handled by the platform's secure infrastructure rather than being stored on your own devices — but your network security still matters.

Ex-Staff Retaining Access

A former employee who still has login credentials to your Square account, Deputy roster, or Menulog merchant portal can access sensitive information, change settings, or cause financial harm — even if they left on good terms. This is one of the most overlooked risks in hospitality, and it's entirely preventable.

Guest Wi-Fi Exposing Your Business Network

If your customer Wi-Fi and your POS system are on the same network, a customer (or someone sitting outside with a laptop) could potentially reach your payment systems. Keep your guest Wi-Fi separate from your business network — your router or internet provider can help you set this up, and it's often a simple configuration change.

Quick Wins: What to Do This Week

Separate Your Networks

Talk to your IT provider or internet provider about setting up a separate network (VLAN or second Wi-Fi network) for your point-of-sale terminals and business devices, with a different guest network for customers. This is a basic but important step in protecting payment data.

Enable MFA on Payment and Delivery Platforms

Turn on multi-factor authentication for your Square, Lightspeed, Menulog, and UberEats merchant accounts. This means even if someone gets your password, they can't log in without a second verification step. It takes five minutes to set up and significantly reduces your risk.

Offboard Staff Immediately

Create a simple offboarding checklist for when staff leave: remove access to Square, Lightspeed or Kounta, Deputy, Tanda, Menulog, UberEats, and any shared email or social media accounts. If you've been using shared logins, change the password and enable MFA when someone leaves. Ideally, set up individual logins for each staff member so you can simply deactivate their account rather than changing shared credentials every time someone leaves.

Be Suspicious of Invoice Emails

If you receive an email from a supplier with updated bank details, don't act on it without calling them directly — on a number you already have, not one in the email. Make this a standard practice for anyone in your business who pays invoices. It's the most effective defence against fake invoice scams.

A Word on PCI DSS

If you accept card payments — which almost every cafe and restaurant does — you have obligations under the Payment Card Industry Data Security Standard (PCI DSS). This sounds more complex than it is for most small hospitality businesses. If you use a reputable payment platform like Square and don't store card numbers yourself, your compliance burden is relatively light. The key requirements for your situation are: use a secure network for payments, keep your payment software updated, don't write down card numbers, and use the payment tools as they're designed to be used. Your payment provider can give you more specific guidance and a self-assessment questionnaire.

Cyber security for a cafe or restaurant doesn't require a dedicated IT team or significant investment. The basics — MFA, separate networks, staff offboarding, and invoice verification — are within reach for any operator. Putting these in place now means one less thing to worry about when the next busy season hits.