Author: Gérôme Billois

Gérôme Billois is a Partner at Wavestone in the Cybersecurity and Digital Trust practice. He graduated from the National Institute of Applied Sciences in Lyon. He has deep expertise in risk management and cybersecurity, developed over more than 15 years of experience. Gérôme is a board member of CLUSIF, a member of the ISO JTC1/SC27 committee, responsible for information security standardisation, and a founding member of Club27001, a non-profit dedicated to promoting the ISO 27001 standard. He holds CISA, CISSP and ISO 27001 PA certifications. Gérôme co-authored several books on cybersecurity (Eyrolles, Cepadues, Wiley & Sons, Larcier), is a regular media and conference speaker (Assises de la Sécurité, ISACA, CLUSIF, CNIS, etc.), and gives university lectures.

2025 Radar of Post Quantum Safety Solutions 

Quantum computing threatens today’s asymmetric cryptography and would render current algorithms obsolete, both RSA and ECC. As for symmetric cryptography, (AES, hash functions) doubling the key size ensures maintained security guarantees. To address the threat, the NIST has standardized three…

Post-quantum cryptography is here: what are the consequences and actions for large organisations? 

This summer's post-quantum news: what you need to know  This summer marks a major breakthrough in cybersecurity with the publication of the NIST standards for post-quantum cryptography. This publication is the culmination of many years of work, the standardisation process…

Episode 2 Create a relationship of trust with the executive committee

Create a relationship of trust with the executive committee: step 2, solidify the organisation's posture and explain the lines of action Creating a relationship of trust with the executive committee is a long-term action. After a first step that often involves raising awareness and putting the cyber risk into perspective…

CISO, between post-COVID world and persistent threats, what are the priorities for 2021?

Since the last edition of the radar, the world has been hit hard by an unprecedented viral pandemic. This has piled on the pressure to fast track digital transformations set in a context of increasingly active cybercriminals and an ever-growing threat. Against…

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