The TNSystem journal

Good to Know

Understanding IT. Making sense of AI development.

IT in practice

7 articles

Symbolic illustration of possible powerline interference with a VDSL router, not an installation diagram.

IT in practice10 Oct 202610 min read

FRITZ!Box and VDSL: When powerline disrupts the internet connection

Powerline and VDSL: investigate FRITZ!Box DSL interruptions, check events, compare direct LAN access and consider safe alternatives.

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Phishing awareness illustration showing a laptop with a suspicious message, a fishing hook and a protective shield.

IT in practice9 Oct 202612 min read

Recognising phishing: How to protect ourselves from fraudulent messages

Recognise phishing and respond effectively: emails, texts, QR codes, passkeys and practical steps after a click, stolen credentials or a fraudulent payment.

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Network technology illustration with an Ethernet switch, fibre and wireless networking, a laptop and a connected digital globe.

IT in practice9 Oct 202613 min read

Future network technology: Speed alone is not enough

Plan future-ready networks: Wi-Fi 7 and 8, fibre, 5G and 6G, edge computing, IPv6, Zero Trust and AI-assisted network management explained clearly.

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Safer browsing illustration with a laptop, an encrypted connection and a glowing protective shield.

IT in practice9 Oct 202613 min read

Safer browsing: What really matters when visiting websites

Browse more safely: browser updates, HTTPS, passkeys, downloads, ClickFix, incognito, VPNs and public Wi-Fi. Practical advice for protecting accounts and data.

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Staff training illustration with a trainer, a team and a presentation on digital skills, security and efficient tools.

IT in practice9 Oct 202612 min read

Well-trained employees work more efficiently and make fewer mistakes

Plan useful staff training: digital skills, IT security, AI tools, practical exercises and measurable outcomes rather than attendance alone.

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Secure software architecture illustration showing components, vulnerabilities, updates and support.

IT in practice9 Oct 202610 min read

Secure software starts with architecture

Understand the Cyber Resilience Act: 2026 reporting duties, 2027 requirements, SBOMs, support periods, security updates and software architecture.

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Illustration of a modern IT environment with a server, network plan and workstations for secure, scalable infrastructure.

IT in practice6 Oct 202613 min read

Rethinking IT: Building infrastructure that supports everyday work

Plan IT infrastructure effectively: consider networks, cloud services, virtualisation, data protection, backups, recovery and ongoing operations together.

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