Posts

cryptographie, nombres aléatoires, random numbers

Cryptography: what are the random numbers for?

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Hervé Debar, Télécom SudParis – Institut Mines-Télécom and Olivier Levillain, Télécom SudParis – Institut Mines-Télécom The original purpose of cryptography is to allow two parties (traditionally referred to as Alice and…
cybersécurité, attaques informatiques, attacks

Governments, banks, and hospitals: all victims of cyber-attacks

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Hervé Debar, Télécom SudParis – Institut Mines-Télécom Cyber-attacks are not a new phenomenon. The first computer worm distributed via the Internet, known as the “Morris worm” after its creator, infected 10% of the 60,000…
zero-click attacks

Zero-click attacks: spying in the smartphone era

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Zero-click attacks exploit security breaches in smartphones in order to hack into a target's device without the target having to do anything. They are now a threat to everyone, from governments to medium-sized companies. “Zero-click…
Facebook

Facebook: a small update causes major disruption

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Hervé Debar, Télécom SudParis – Institut Mines-Télécom Late on October 4, many users of Facebook, Instagram and WhatsApp were unable to access their accounts. All of these platforms belong to the company Facebook and were all…