A practical guide to cybersecurity for small and medium-sized businesses: the biggest risks, what you can handle yourself and how to keep your website or app secure without an IT department.
Why cybersecurity matters for small businesses too
Many owners think attackers only target large companies. In practice most attacks are automated: programs that scan the whole internet for weak spots. A small business is just as likely to be hit.
The difference is that small businesses rarely have a security team. That's why getting a few basics right pays off.
The biggest risks for small businesses
What you can handle yourself
- Turn on two-factor authentication for email, accounting and hosting.
- Use a password manager.
- Keep software and plugins up to date.
- Set up automatic backups and test restoring them.
- Have your website or app checked for vulnerabilities regularly.
Add uptime monitoring so you know when your app is unreachable.
Your own website or app
More and more business owners build their own app or customer portal, often with AI tools. That's fast, but security doesn't come along automatically. Think of databases anyone can read or keys left in the code.
An automated scan shows what's wrong and how to fix it, in plain language.
Start with the question: is my app safe?
Laws and regulations
If you process personal data, the GDPR applies. A data breach that puts people at risk must be reported to the authorities within 72 hours. Good basic security lowers that chance.
Frequently asked questions
Is cybersecurity expensive for a small business?
No, the basics cost little: two-factor authentication, a password manager, updates and backups. For your website or app you can use an automated scan instead of an expensive pentest.
What are the biggest cybersecurity risks for small businesses?
Phishing, weak passwords, outdated software, leaky websites or apps and missing backups.
Do I need an IT specialist?
Not for the basics. Many measures you can set up yourself. For your app or website, a tool that finds problems and explains how to fix them helps.
Do I have to report a data breach?
If it puts the people whose data you hold at risk, you must report it to the data protection authority within 72 hours.