Welcome to CyberSphere
An introduction to the blog and its editorial line: understanding cybersecurity through analysis — threats, geopolitics, regulation and strategy.
31 October 2026 · Brahim LamjaradRead the article
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CyberSphere
Cybersecurity analysis and explainers: threats, geopolitics, regulation and strategy — with the occasional technical deep dive.
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BriefNotable incidents
Crédit Mutuel Arkéa: what is established, and what is not
The bank confirms a cyberattack of about 100 million euros. On-chain analysis traces the funds, but the point of entry remains unknown at this stage.
5 November 2026 · Brahim Lamjarad
AnalysisNotable incidents
Vehicle inspection data: three incidents in two weeks, eighteen years of records
Three incidents in two weeks at vehicle inspection suppliers, eighteen years of records, and no simple way to find out whether you are among the affected.
5 November 2026 · Brahim Lamjarad
AnalysisNotable incidents
From supermarket freezers to blood banks: the cold chain as a target
Hundreds of French supermarkets in October, eleven countries in November, then the blood service. What the campaign against connected cold storage shows.
4 November 2026 · Brahim Lamjarad
ExplainerEU regulation
NIS2: what the directive actually requires, and where France stands
Wider scope, accountable directors, 24-hour incident reporting: what NIS2 actually requires, and why France's delay in transposing it excuses nothing.
26 October 2026 · Brahim Lamjarad