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Arnaud Fortier
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Join date: May 1, 2025
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Cybersecurity: Secrets from a Pro with 20 Years of Experience
How can you protect your data in a world where cyber threats are exploding?
Arnaud Fortier, ICT Security Manager at the University of Fribourg and Linux expert, shares his strategies, methods, and practical advice to strengthen your security... and avoid the worst!
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Posts (5)
Oct 13, 2025 ∙ 2 min
Understanding Data Protection: Your GDPR Rights and the LPD in Switzerland
Since May 25, 2018, the General Data Protection Regulation (GDPR) has been in effect in the European Union. Its goal is both simple and ambitious: to protect personal data and make its use more transparent. For development and operations teams, this means thinking "privacy by design" and "privacy by default" when writing code, configuring services, and managing logs.
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Sep 15, 2025 ∙ 3 min
Crises, Leaks, and Uncontrollable AI: The Real State of Cybersecurity in 2025
With the holidays over, the past year has served as a reminder of an often-overlooked fact: our defenses can themselves become points of failure. In July 2024, faulty update content in CrowdStrike's Falcon agent triggered a global wave of blue screens on Windows,
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Aug 11, 2025 ∙ 2 min
Rethinking Cybersecurity: Foundations, Trust Models, and Risk
Beyond practical guides and manuals, cybersecurity is based on a conceptual architecture combining mathematics, social sciences, and the philosophy of technology. A major theoretical milestone was set by Claude Shannon with informational cryptography, which demonstrates that a system can be "unconditionally secure" if the entropy of the key exceeds that of the message. This approach continues to inspire modern protocols, even when unique keys are abandoned in favor of public-key cryptography...
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