Centrum wiedzy VOL System
Practical knowledge of IT outsourcing, cybersecurity, NGFW, backup, and networks. Concrete calculations, calculators, scenarios. No fluff.

Phishing accounts for over 90% of security breaches. Modern attacks are indistinguishable from real mes...

Multi-site companies pay heavily for MPLS links. SD-WAN offers comparable reliability at 40-60% lower...

How much does NGFW deployment cost? Concrete calculations for small, medium, and large companies. Hardware, licenses, deployment, 3-year TCO.

IT Helpdesk — what it is, how to price it, what it costs, and when outsourcing beats an in-house hire. Online calculator.

What does professional IT outsourcing really cost? Detailed calculations, hourly rates, and comparison with in-house hires.

In-house IT or external partner? IT outsourcing is not just cost cutting — it's access to expertise ...

Three copies of data, two different media types, one off-site location. The 3-2-1 strategy is the minimum that protects compa...

Most corporate LAN networks were built ad hoc — a bit of cable here, a switch there. Such a network costs many...

An IT audit is a tool that gives a reliable picture of a company's security. We explain when it's worth doing,...

MFA eliminates 99% of attacks based on stolen passwords. Deployment sounds complicated — in practice it's a proj...

Ransomware remains the biggest threat to companies of all sizes. In 2024 the average attack cost amount...