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Blog.

AI, security and the web – briefly and in plain words.

Security

How to spot a cloned-voice scam

A phone call, a familiar voice, an urgent plea for money. Today a voice can be cloned from a few seconds of audio. Here's how not to get caught.

13 Oct 2026 – 4 min read
AI

5 things you should never paste into ChatGPT

AI chatbots save hours of work. You just need to know what doesn't belong in them.

13 Oct 2026 – 3 min read
Websites

HTTPS, SPF and DMARC: three acronyms your company's trust depends on

The padlock in the browser and emails nobody can fake. What the acronyms mean and how to find out whether you have them.

13 Oct 2026 – 4 min read

© 2026 Matyáš Průša – Brno

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