Security

IT services for companies, prostoIT Warsaw
Security

3-2-1 Backup – How It Works and Why It's Worth Having in Your Company

Imagine turning on your company computer one morning to discover that all your files—offers, contracts, customer data—are inaccessible. A disk has crashed, an employee accidentally deleted a folder, or an outsider has encrypted your resources in a ransomware attack. This isn't a movie script—these situations happen.

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Security

How often should you back up your company's data? Risk vs. cost

In our daily work, it's clear that most businesses are aware of the need for backups, but few know how to choose the appropriate frequency. This factor determines whether a company loses a few minutes of work, an entire day, or even an entire contract in the event of a failure. Therefore, when advising clients as part of our service,

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Antivirus for companies, IT services for companies Warsaw
Security

9 Criteria for Choosing an Antivirus for Businesses: Comparison, Differences, and Implementation

Digital security has become a key challenge for business owners and management. Just a few years ago, antivirus for businesses was primarily associated with protecting computers against viruses and Trojans. Today, the range of threats is much broader, including ransomware that locks down entire systems, phishing attacks targeting office workers, and even leaks.

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Phishing scams in practice: How to recognize a fake message step by step
Security

Phishing scams in practice: How to recognize a fake message step by step

Imagine receiving an email that looks like a regular message from a friend, a business partner, or someone who knows a surprising amount about you. It doesn't contain a virus, doesn't have a suspicious attachment, and yet—that one click could open the door to your files, accounts, company data, and image. That's right.

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IT security in the company, IT support Ożarów Mazowiecki
Security

IT security is not just about systems – how can you protect your company from costly mistakes?

When you hear the phrase "IT security," what comes to mind? Most often, it's antivirus software, firewalls, and perhaps passwords for computers or servers. Many companies—especially smaller and medium-sized ones—understand data protection in this way. We install antivirus software, configure the router, and… we feel safe. Unfortunately, it's an illusion.

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Windows 10, thumbnail prostyit
Security

Microsoft Extends Support for Windows 10 – Everything You Need to Know

Although Windows 10 officially ends support in October 2025, Microsoft surprised many users by announcing a new, unusual approach to security. Instead of closing the door, it left the door open – for up to a year, and in the case of companies, even longer. It provided three paths that allow you to keep your system secure until 13

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Security

NIS Directive 2 – Everything You Need to Know in 2025

Over the past few years, cybersecurity has become a key topic for companies operating in the European Union. The number of cyberattacks is constantly growing, and their consequences can be catastrophic - both financially and in terms of image. It is no wonder that the EU has decided to tighten regulations on the security of networks and information systems.

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ProsteIT - IT support Ożarów Mazowiecki, selection of voice communicators in the company
Security

Voice Messenger Security: A Comparison of the Most Popular Apps in 2025

In the digital age, where communication takes place mainly through mobile applications, the security of voice calls becomes a key issue. Many people, both in their private and professional lives, use messengers such as Microsoft Teams, Signal, WhatsApp or Telegram, without realizing the potential risks associated with their use.

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