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Practical pieces on networks, cloud and security, newest first.
Outsourcing
Changing Your IT Provider Without Losing Access or Data
The fear that stops most companies from changing their IT provider sounds the same every time. The old team holds every password. A handover done in the right order takes that risk away.
July 2026Read
Outsourcing
Network and server monitoring, or what a provider reports
Almost every IT support contract mentions monitoring. It is far rarer to know what is actually watched, who receives the alerts and what the client gets to see.
June 2026Read
Servers
Windows Server administration after 2016 end of support
Windows Server 2016 stops receiving security updates on 12 January 2027. Before that date you need to know how many such machines you run and what happens to each one of them.
March 2026Read
Security
Firewall Configuration for Business and the Old Rule Review
In most companies the firewall works correctly. The trouble is that its rules describe the company of several years ago, along with projects and people that are long gone.
November 2025Read
Backup
Disaster Recovery for Business, RTO and RPO Without Jargon
The backups run, yet nobody in the company knows how long it would take to get back to work after a failure. Two numbers answer that, and the board sets them, not IT.
June 2025Read
Backup
Backup Restore Test, or How to Know Your Copies Work
A backup you have never restored is not protection. It is an assumption. A restore test turns that assumption into knowledge, and the first attempt usually stings.
February 2025Read
Networks
Seven Signs It Is Time for a LAN Network Modernisation
A network rarely fails overnight. First it gives signs that are easy to mistake for everyday nuisance. Here are the seven most common ones.
September 2024Read
Networks
VLAN Network Segmentation, or Separating Guests from Data
A visitor connects a phone to the office Wi-Fi and lands in the same network as the database server and the finance workstation. That is a flat network, and it can be fixed without stopping the company.
March 2024Read
Security
VPN SSL vs OpenVPN vs Zscaler
Three approaches to secure access, and when each one makes sense.
September 2023Read
Cloud
A Guide to Migrating from On-Premises Infrastructure to Google Cloud Platform (GCP)
Moving from on-premises infrastructure to Google Cloud Platform (GCP) does not have to be complicated. This guide walks you through the entire process, from assessing your current infrastructure to optimising your cloud environment.
July 2023Read
Cloud
How to Improve the Security of Cloud-Based Infrastructure
In today's fast-moving digital landscape, securing cloud-based infrastructure is essential. We explain how to protect your data, applications and sensitive information against cyber threats.
May 2023Read
Cloud
Planning an on-premises server migration to Azure
Migrating on-premises servers to Azure takes careful planning and preparation to avoid potential problems. Here is how to assess your infrastructure, choose a migration method, and carry out the move securely.
May 2023Read
Cloud
How to Move Your Infrastructure to Google Cloud Successfully
Migrating on-premise servers to Google Cloud can bring your business real benefits: better performance, security and scalability of your infrastructure. To succeed, however, the process needs careful planning tailored to your company's individual needs.
April 2023Read
Outsourcing
Why work with an external IT company for business
More and more companies, both large and small, run their own IT networks and rely on software such as email, invoicing, task management and data storage systems. Keeping these systems running smoothly requires a team of highly qualified specialists.
March 2023Read
Outsourcing
IT support and outsourcing for hotels in Warsaw
A hotel today runs on technology just as much as it runs on service. This article covers what IT outsourcing gives a hotel, how to choose a provider and what the support usually includes.
February 2023Read
Networks
What does a secure WAN architecture involve?
A WAN connects computers spread across a whole country or even the entire world. The right architecture helps protect it against external attacks and keeps it running smoothly.
January 2023Read
Networks
What does a secure LAN architecture involve?
A secure LAN (Local Area Network) architecture matters because the LAN handles communication between computers in a small area, such as an office or home. The right architecture helps protect the network from external attacks and keeps it running smoothly.
January 2023Read
Outsourcing
An IT company in Warsaw working across Poland
C4PL is an IT company based in Warsaw that works with businesses across Poland. This article covers what we do, the technologies we work with and where we can help.
December 2022Read
Security
Vulnerability Management in Your Organization
Vulnerabilities in software and hardware are weaknesses that, when exploited, can lead to data loss or ransom demands. Here is how to manage them in your organization, from CVSS scoring to the Kenna Security Platform.
November 2022Read
Project
Full network and server infrastructure migration
How we move a company's whole infrastructure, from analysis to stable operations.
October 2022Read
Outsourcing
What Is Network and Server Infrastructure Outsourcing?
Reliable, well-secured IT infrastructure is an inseparable part of every fast-growing company. Here is what network and server infrastructure outsourcing means and when it is worth using.
August 2022Read
Software
How leave management software works in a company
In many companies leave requests travel by email and on paper. A workflow system brings them into one place. This article shows how such a setup works and what to ask a provider.
August 2022Read
Software
Business travel management software explained
A business trip is more than the journey. It is bookings, approvals and per diems to settle. A workflow system pulls all of that into one document. This article shows how such a setup works.
August 2022ReadLet us start with a conversation
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