SPF, DKIM and DMARC: how to set up email for your business domain
SPF, DKIM i DMARC to trzy rekordy TXT w DNS domeny. Ich zadanie jest proste: potwierdzić serwerom odbiorców, że wiadomość naprawdę wysłała Twoja firma. Bez
Category: Cybersecurity
SSL certificates valid for 200 days: what changes from 15 March 2026
Od 15 marca 2026 nowo wydany publiczny certyfikat podziała najwyżej 200 dni. Tak stanowią wymagania bazowe CA/Browser Forum. Maksymalna ważność certyfikatu SSL spada więc poniżej
Openclaw.ai - how a real AI agent differs from an ordinary assistant
For a long time the world of AI tools revolved around a single pattern: the user asks a question, the model answers. ChatGPT, Claude, Gemini
WordPress for business in 2026: what to know before you decide
WordPress is still one of the most commonly chosen ways to launch a company website or an online store, but in 2026 “WordPress” means two
Web application security - what should a software house guarantee?
A web application is rarely just a page with a contact form these days. Most often it is the heart of the company. Customer data,
Two-Factor Authentication in WordPress: How to Protect Admin Accounts
Two-factor authentication in WordPress adds a second factor to the password. It can be a code from a phone app or a hardware key. Suddenly
The complete guide to API security in mobile and SaaS applications
The API is the heart of every mobile application and every SaaS system. Period. Through that single channel flow user data, payments and the entire
The complete guide to web application security in a software house
At Web Systems we have been building web applications for over twenty years. E-commerce platforms, B2B systems handling thousands of transactions a day, extensive customer
The most common mistakes to avoid when building web applications
Building web applications is a complex process that requires not only technical skills, but also an understanding of user and market needs. Many developers, especially