Legal Notice & Terms of Use
This website is owned and published by:
OSTARA.WORK
Trading name of
Simão Pedro do Espírito Santo Brás Silva
Entrepreneur individuel (micro-entreprise) established in France.
SIRET: 103 484 648 00011
SIREN: 103 484 648
Website
The main OSTARA.WORK website is provided for informational purposes and presents software projects, digital commons, publications and related services.
Every reasonable effort is made to keep the information accurate and up to date. However, no guarantee is given regarding completeness, availability or suitability for a particular purpose.
Security Testing Resources
This website or associated websites, such as the XSS Lab, may include educational resources intended to demonstrate common web application security issues, including intentionally vulnerable examples of Cross-Site Scripting (XSS) and other client-side behaviours.
These materials are provided exclusively for educational, research and defensive security purposes. They are designed to help developers, students and security professionals understand how vulnerabilities arise and how they can be identified and mitigated.
Users are solely responsible for ensuring that any testing activities are carried out only against systems they own or are explicitly authorised to assess. OSTARA.WORK does not authorise or encourage the use of these materials against third-party systems without written permission.
Klasker AITA
Klasker AITA is an experimental website-analysis service operated by OSTARA.WORK. The service analyses publicly accessible technical characteristics of websites submitted by users.
Klasker AITA may retrieve publicly accessible resources from a submitted website, including HTTP responses, security headers, HTML metadata, structured data and other technical information made available by the target website.
Klasker analysis results are provided for informational, educational and research purposes. An analysis does not constitute a professional security audit, penetration test, legal assessment, accessibility certification, performance certification or guarantee of the security, quality or compliance of the analysed website.
Use of Klasker AITA
Users may submit only website URLs that they are legally entitled to submit for automated analysis. By submitting a URL, the user represents that the submission does not knowingly violate applicable law, contractual restrictions, access controls or the rights of third parties.
Users must not submit URLs containing passwords, authentication credentials, access tokens, session identifiers, confidential information or other private information that they do not have permission to disclose or process.
Klasker must not be used to circumvent authentication, access controls, technical restrictions or other security mechanisms. Users must not use the service to intentionally cause excessive load, disruption or interference with third-party systems.
Klasker Observatory
The Klasker Observatory provides publicly accessible experimental analyses of selected websites. Analysis results displayed through the Observatory may include technical observations derived from publicly accessible website responses.
The Observatory is intended for publicly accessible websites and technical research. Users must not submit confidential, private, authenticated or otherwise restricted resources for public analysis.
OSTARA.WORK may refuse, limit, remove or discontinue an analysis or Observatory entry where necessary for security, legal, operational or other legitimate reasons.
Klasker Infrastructure
Klasker uses third-party infrastructure and service providers to operate its website-analysis service. These may include Cloudflare for website delivery and API infrastructure, hostUNO for scanner infrastructure, Ably for realtime analysis status and results, and TiDB Cloud for storage of analysis data.
The availability and operation of Klasker may therefore depend on the availability of these third-party infrastructure providers.
Klasker Availability and Results
Klasker is an experimental service and is provided on an availability basis without any guarantee of uninterrupted operation, response time, completeness or continued availability of any particular analysis feature.
Technical characteristics of websites may change at any time. Consequently, Klasker analysis results represent observations made at the time of analysis and may become outdated or inaccurate as the analysed website changes.
OSTARA.WORK does not guarantee that Klasker AITA will identify every security, technical, performance, accessibility, SEO, eCommerce or other issue affecting an analysed website.
Online Store
Digital products, memberships and related commercial services are displayed in the OSTARA.WORK online store by Payhip.
Purchases, payment processing and customer account management are handled through Payhip and its payment providers. Their respective Terms of Service and Privacy Policies apply to those services.
Intellectual Property
Unless otherwise stated, the content of this website, including text, graphics, software, logos, images and other original material, is the intellectual property of OSTARA.WORK or its respective authors and is protected by applicable copyright and intellectual property laws.
Open source software is distributed under its respective licence. Licence information is provided with each project where applicable.
Hosting
This website is hosted through
Cloudflare, Inc.
101 Townsend Street
San Francisco, CA 94107
United States of America
Limitation of Liability
OSTARA.WORK makes every reasonable effort to maintain the availability, security and accuracy of this website. However, uninterrupted access cannot be guaranteed.
To the fullest extent permitted by applicable law, OSTARA.WORK shall not be liable for any direct or indirect damages arising from the use of this website, interruption of service or reliance upon its content.
In particular, OSTARA.WORK shall not be responsible for damages arising from reliance upon Klasker analysis results, temporary or permanent unavailability of Klasker, changes to analysed websites, or actions taken by users or third parties on the basis of an analysis.
Privacy
Information concerning the processing of personal data is available in the Privacy Policy.
Contact
Electronic Mail: [email protected]
Legal Notice updated on 21 August 2026.