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Data study ·

CISOs pressed to balance AI, compliance and supplier dependencies

Original title, in French: “Les RSSI sommés d'arbitrer entre IA, conformité et dépendances fournisseurs”

Publication
Silicon.fr (France)
Author
Philippe Leroy
Published on
17 September 2026 · read in the page structured data · updated on 17 September 2026

Summary

According to a CESIN survey conducted through 21 weekly mini-polls of its CISO members for the first half of 2026, generative AI governance is struggling to keep pace with its growing adoption in companies. 27% of respondents, mostly in mid-sized organisations, have not defined any usage policy for generative AI, and only 18% of organisations have a specific policy for AI-enhanced development environments. The study also notes an increase in malicious uses of generative AI, with 54% of large companies having suffered a deepfake attack, compared with 19% of mid-sized companies and 5% of micro-businesses and SMEs. In addition, regulatory compliance ranks first among 2026 priorities, particularly for smaller organisations. CESIN chairman Fabrice Bru points to a CISO role that is becoming more complex rather than a decline in maturity.

Summary based on the full text of the article.

Read the article on Silicon.fr →

Figures cited

  • 27 %

    share of respondents with no generative AI usage policy

    CESIN members, mostly mid-sized organisations, H1 2026

    « 27 % des répondants, plutôt issus d’organisations de taille intermédiaire, n’ont défini aucune politique d’usage de l’IA générative. »

    Source: CESIN, Instantanés S1 2026

  • 18 %

    share of organisations with a specific policy for developers using AI

    CESIN members, H1 2026

    « seuls 18 % des organisations disposent d’une politique spécifique pour les développeurs »

    Source: CESIN, Instantanés S1 2026

  • 54 %

    share of large companies that have suffered a deepfake attack

    large companies, CESIN members, H1 2026

    « 54 % des grandes entreprises interrogées déclarent avoir déjà subi une attaque de type « deepfake » contre 19 % des ETI et 5 % des TPE/PME. »

    Source: CESIN, Instantanés S1 2026

  • 19 %

    share of mid-sized companies that have suffered a deepfake attack

    mid-sized companies, CESIN members, H1 2026

    « 54 % des grandes entreprises interrogées déclarent avoir déjà subi une attaque de type « deepfake » contre 19 % des ETI et 5 % des TPE/PME. »

    Source: CESIN, Instantanés S1 2026

  • 5 %

    share of micro-businesses and SMEs that have suffered a deepfake attack

    micro-businesses and SMEs, CESIN members, H1 2026

    « 54 % des grandes entreprises interrogées déclarent avoir déjà subi une attaque de type « deepfake » contre 19 % des ETI et 5 % des TPE/PME. »

    Source: CESIN, Instantanés S1 2026

  • 46 %

    share of large companies ranking compliance among their top three priorities for 2026

    large companies, CESIN members

    « Elle figure parmi les trois chantiers prioritaires pour 46 % des grandes entreprises, 61 % des ETI et 72 % des TPE/PME. »

    Source: CESIN, Instantanés S1 2026

Classification

Country
France
Company size
Large companies, Mid-sized companies, SMEs
Industries
Software vendors, IT services companies, telecoms · All industries, or industry not specified
Companies
CESIN (study author)
Keywords
ai governance, cybersecurity, ciso, deepfake, regulatory compliance, generative ai

Entry written by Marsanne Studio from the cited article, with the help of an AI model (claude-sonnet-5). The rights to the article and its illustrations belong to Silicon.fr and its author. Entry translated from French by Claude Sonnet 5.5.