Antivirus is still an essential part of protecting every computer in a company, although just installing the first program from the network doesn't get the job done. What matters in business is not only how effectively the tool detects threats, but also whether it has a convenient, central panel to manage all the jobs - this makes life easier for the administrator and reduces the risk of human error. Modern products do more than just scan files; you can expect protection against ransomware, control of running applications, firewall or traffic monitoring - for example, blocking suspicious scripts in email attachments or scanning a file server. In practice, entrepreneurs often face a choice: free antivirus or a paid enterprise-class solution? Free software may be enough for a one-person company, but often gives a false sense of security; when the team grows, tools for collective policy management, automatic updates and detailed incident reporting come in handy. You also need to consider technical aspects - the impact on performance, compatibility with the software you use, or integration with your existing IT infrastructure. Some antiviruses can interfere with CRM systems, local ERP, email clients or database servers and slow down operations; in my experience, it's worth testing the solution in a controlled environment first to avoid surprises. Here you'll learn how to recognize these pitfalls and choose protection better suited to your company's specific needs - because the loudest advertisement doesn't always mean the best fit.