Security & Compliance

Securing your SME: where to start without being an expert

Cybersecurity scares SMEs because it seems reserved for experts and big budgets. Wrong. A few well-chosen priorities already protect the essentials, and support schemes fund a good part of the bill.

Clabaut Medhi
Published on 23 April 2026 · 8 min read

SMEs think they are too small to interest cybercriminals. That is exactly what makes them ideal targets: poorly protected, they are easy to attack, and ransomware can bring a company to its knees in a few hours. The good news is that you do not need to be a multinational to protect yourself properly.

Secure before you accelerate

Before deploying any AI, you need a healthy foundation. Adding artificial intelligence on top of a vulnerable infrastructure is like building a floor on cracked foundations. Security is not an option that comes afterwards: it is the condition for doing AI with peace of mind.

The priorities that really matter

Access: the number one entry point

Most attacks go through weak or stolen credentials. Three simple measures change everything: strong, unique passwords via a manager, two-factor authentication wherever possible, and immediate removal of access when someone leaves the company.

Backups: your safety net

A regular, tested backup, and above all one disconnected from the network, is your best insurance against ransomware. If your data is backed up elsewhere, an attacker who encrypts your files has no leverage over you.

Updates: the silliest flaw

Many intrusions exploit known flaws for which a patch already exists but has not been applied. Keeping your software, your website and your servers up to date closes the door to a huge share of automated attacks.

A security audit tests your website, application or infrastructure the way an attacker would. It reveals the flaws before they are exploited, and ranks them by severity so you fix what matters first.

The GDPR is part of security

Protecting your data also means being compliant. An SME in order on personal-data processing has already done half the security journey: it knows what it holds, where it is stored, and who accesses it. Security and compliance go hand in hand.

NIS2: the new landscape

The European NIS2 directive extends cybersecurity obligations to many companies, including SMEs in sectors deemed essential or important. Even if you are not directly concerned, your clients and principals may be, and will ask you for guarantees. Anticipating means avoiding having to endure.

Support to fund your security work

Getting secure does not mean going bankrupt. Bpifrance funds up to 50% of a cybersecurity assessment. Depending on your region, other schemes exist. A well-run assessment gives you a prioritised roadmap: you know exactly what to fix, in what order, and for what budget.

An SME's cybersecurity is not solved in a day, but it starts with simple, high-impact actions. Lock down your access, back up, update, and get audited. You will already have eliminated most of the risk, and you can deploy AI with peace of mind.

Key takeaways

SMEs are easy targets, not unlikely ones.
Secure before deploying AI: security is the foundation, not the option.
High-impact priorities: access (strong password + 2FA), disconnected backups, updates.
An audit reveals your flaws and ranks them by severity before an attacker finds them.
Bpifrance funds up to 50% of a cybersecurity assessment.

Security & Compliance

GDPR made simple: the essentials for an SME

Guides

Where to start with AI when you are an SME