Legal information
Legal notice
Last updated: 31 October 2026
Document to be validated by a lawyer. Items marked [À VALIDER] must be completed and the whole text reviewed by a legal professional before commercial launch. Only the French version of this document is legally binding.
The website kayzen-security.vercel.app (the “Site”) presents the Kayzen Security cybersecurity platform. It is published by Tarek BELHADJ EI, trading under the name KAYZEN (“KAYZEN”), whose identification appears below.
Publisher identification
- Publisher
- Tarek BELHADJ EI, sole proprietor trading under the name KAYZEN
- Legal form
- Sole proprietorship (micro-enterprise), registered in the National Business Register [À VALIDER: number and register]
- Registered office
- 6 rue Pierre Termier, 69009 Lyon, France
- Premises
- 6 Rue de Bourgogne, 69009 Lyon, France
- SIRET
- 493 857 262 00098
- SIREN
- 493 857 262
- APE code
- 62.01Z
- VAT
- VAT not applicable, art. L. 233-3 du CIBS (franchise en base) [À VALIDER pour les offres professionnelles]
- Telephone
- +33 4 87 77 68 61
- Publication director
- Tarek BELHADJ
- Website host
- Vercel Inc., 440 N Barranca Ave #4133, Covina, CA 91723, United States (vercel.com), telephone [À VALIDER]
- Domain name
- Subdomain kayzen-security.vercel.app provided by Vercel Inc.; final domain name [À VALIDER]
Publisher's status for the software
The Site is published by the sole proprietorship KAYZEN. The entity that will publish and sell the Kayzen Security software (a dedicated legal entity or the existing business) has not yet been decided. This notice will be updated if the publisher changes. [À VALIDER]
Intellectual property
All content on the Site (text, illustrations, logos, trademarks, interfaces, code) is the exclusive property of KAYZEN or is used under licence. Any reproduction, representation, adaptation or use, in whole or in part, without prior written permission is prohibited and constitutes infringement, punishable under articles L. 335-2 et seq. of the French Intellectual Property Code.
The name “Kayzen Security” is the subject of a prior-rights search with a view to filing a trademark application. [À VALIDER]
The flags shown in the language selector come from the flag-icons library, published under the MIT licence.
Liability
KAYZEN endeavours to publish accurate and up-to-date information. The Site describes a product under development: features presented as “in development” or “planned” are not available and do not constitute a commitment to deliver by any given date.
KAYZEN cannot be held liable for damage resulting from a fraudulent intrusion by a third party who has altered the information on the Site, nor for the content of third-party websites to which the Site links.
Personal data and cookies
The processing of personal data collected through the Site is described in the privacy policy. The Site does not set any cookies; details are given on the Cookies and trackers page.
Reporting content and vulnerabilities
Any unlawful content can be reported to contact@kayzen-lyon.fr. Security vulnerabilities should be reported in accordance with the responsible disclosure policy published on the Site.
Governing law
This legal notice is governed by French law. In the event of a dispute, and after an attempt at amicable resolution, jurisdiction is vested in the competent courts of Lyon, subject to mandatory rules protecting consumers.