Latest articles
When your own voice becomes a weapon: The rise of AI-powered audio fraud
Artificial intelligence is making the classic grandparent scam more dangerous than ever. Criminals need only a few seconds of audio material from social media to perfectly clone voices. This article examines the technology behind "deepfake calls," presents real-life case studies, and explains effective protective measures such as the family safeword.
Ad-free home network: Install Pi-hole on Windows
Say goodbye to ads on smart TVs and in apps: Pi-hole software turns your Windows laptop into a network filter. This article explains step-by-step how to install it via Docker and configure the necessary DNS settings in your FRITZ!Box.
How to tune your FRITZ!Box into a professional call server
A professional telephone system can be built using a FRITZ!Box and a laptop. This article shows step by step how to use the free software "Phoner" to schedule announcements and record calls – including important legal information (§ 201 StGB).
Why to-do lists are a waste of time
Do you feel unproductive at the end of the day, even though you've worked hard? Your to-do list is to blame. It tempts you to focus on easy tasks and ignores your limited time. This article explains why lists are "self-deception" and why professionals use a calendar instead.
Smartphone Wi-Fi security: Public hotspots vs. home network
Is smartphone Wi-Fi a security risk? This article analyzes in detail threats such as evil twin attacks and explains protective measures for when you're on the go. We also clarify why home Wi-Fi is usually secure and how you can effectively separate your smart home from sensitive data using a guest network.
Google’s nightmare: Perplexity becomes a shopping machine
Traditional online shops are a thing of the past. With its PayPal integration, Perplexity is transforming AI search into a sales machine. Why direct purchasing via chat ("Buy with Pro") is now putting massive pressure on Google and Amazon.
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How smart home devices spy on us
Smart home devices make everyday life easier, but they also collect and transmit sensitive data. This article examines the risks of surveillance through smart home technologies and provides tips on how to protect your privacy.
Federal Council votes for Whistleblower Protection Law
With the decision of the Federal Council, the Whistleblower Protection Act will come into force. As a result, whistleblowers in Germany will be better protected.
When is a smartphone insurance worthwhile – With calculator
Smartphones are becoming more and more powerful, but also more expensive. We clarify with reference calculator if a mobile phone insurance is worthwhile.
The Xreference function – difference to Sreference and Wreference
Pretty much everyone who uses Excel knows the Vreference and the Wreference. On the other hand, something newer is the X reference, which can be used to iron out some of the weaknesses of the functions used up to now. We explain the differences between Xreference and Sreference & Wreference.
Include RSS feeds in Outlook and your browser
The so-called RSS feeds, which seem almost as outdated as the teletext of the TV station, but the RSS feed is currently experiencing a renaissance among website operators and interested readers.


























