Cybersecurity for teams: Simple rules for your business
21 August 2026 · Updated: 21 August 2026
Cybersecurity in a company does not start with expensive software, but with people's habits. The most damage is caused by fake emails, shared passwords, and changed bank account numbers on invoices. Here is a simple set of rules you can start using in one week, even without your own IT team.
Many business owners think cybersecurity is about expensive technology. In practice, however, damage happens differently. Someone clicks a link in an email, or someone sends a payment to the wrong account.
Three things that cost companies the most money
The first is a fake email with an invoice. An attacker watches the communication and sends a new invoice with a changed bank account number at the right moment.
The second is a shared password. Five people log into the warehouse system under one name. When someone leaves the company, they still have the password.
The third is a lost laptop or phone without a lock. Customer data is gone even without a direct attack.
Password rules that people can follow
Do not ask people for complex passwords that no one can remember. Ask for a long password and turn on two factor authentication.
Start using a password manager for the whole team. The accountant and the warehouse worker will then have their own access, and the company knows who is logging in where.
When an employee leaves, turn off their access on the same day. Make this a step in your exit process.
Verify payments by phone
Introduce one strict rule. Every change of a bank account number must be verified by phone using a contact you have used before.
This rule also applies to the CEO. Attackers often write to the accountant in the boss's name and push for speed. When the rule is the same for everyone, no one is afraid to call and ask.
Teach the team to recognize fraud
A fake email almost always has the same signs. An urgent tone, a link to log in, and a sender address with a small change in the name.
Try a practice test in your company. Send your own harmless email and see who clicks on it. Do not discuss the results using names, but talk about it together at a meeting.
A reporting culture is important. If an employee is afraid of punishment, they will hide the mistake and the damage will grow.
Backups and a plan for when something happens
Back up your data so that one copy is outside the main system. Try to restore it once in a while. A backup you have never restored is not a backup.
Write a one page plan for a crisis. Who to call first, who disconnects the system, and who informs the customers.
If personal data is leaked, you also have duties to the authorities. You can find basic information at the National Security Authority and on the website of the Office for Personal Data Protection.
How to start in one week
On Monday, turn on two factor authentication. On Tuesday, stop using shared passwords. On Wednesday, agree on the rule for verifying payments.
On Thursday, check your backups. On Friday, sit down with the team for an hour and look at examples of fake emails.
How we can help
At Future of Work, we train regular employees in cybersecurity, not IT experts. We show real messages sent to Slovak companies and practice how to react.
If you want training for your team, fill out this short application. We will get back to you and suggest a plan based on your company size.
Frequently asked questions
- Where should a small company start?
- Turn on two factor authentication for email and internet banking. Then stop using shared passwords that multiple people know.
- How do we recognize a fake email?
- Look for pressure to act fast, changes in bank account numbers, and senders that only look like a familiar address. If in doubt, call your partner on a number you already know.
- What to do if an employee clicks a fake link?
- Report it immediately, change your password, and disconnect the device from the network. Punishment does not help. Reporting it fast does.
- Is antivirus enough to protect data?
- It is not enough. Antivirus is only one layer. Without rules for passwords, backups, and payment verification, the company remains at risk.