Mass cyberattack in France leaves these companies paralysed this week
The hackers struck hard. Here is how they did it.

According to our information, the story has taken an unexpected turn and is already disrupting the established balance around cybersecurity. Those involved are issuing a stream of sometimes contradictory statements while observers try to separate fact from fiction.
The first reactions came quickly: elected representatives, experts and public figures seized on the subject within hours. The controversy is growing on social media, fuelling a wave of passionate comment that is dividing the country.
Behind the media noise, the reality is more complex. Our journalists gathered several exclusive accounts that cast new light on the real issues surrounding cybersecurity. What our investigation reveals challenges several long-held assumptions.
The rest of this investigation reveals confidential information that the newsroom corroborated with sources close to the matter. Our journalists obtained previously unseen documents that cast new light on the exact circumstances and the responsibilities at every level of the decision-making chain. Testimony, often given anonymously, presents a far more complex picture than the one made public so far.
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