Privacy Policy

Privacy Notice 

Last Updated: January 26, 2026 

This Privacy Notice explains how Deep Fission, Inc. (“Deep Fission,” “we,” “our,” or “us”) collects, uses, discloses, and otherwise processes personal data in connection with any websites, products, services, or applications that reference or link to this Privacy Notice (collectively, the “Services”). 

This Privacy Notice does not address our privacy practices relating to job applicants, employees, contractors, or other employment-related individuals, nor does it apply to data that is not subject to applicable data protection laws (such as deidentified or publicly available information in certain jurisdictions). This Privacy Notice is not a contract and does not create any legal rights or obligations beyond those provided by applicable law. 

1. Our Collection and Use of Personal Data 

  The categories of personal data we collect depend on how you interact with us and our Services. We collect personal data directly from individuals, automatically through use of our Services, and from other sources and third parties. 

We use personal data to operate, maintain, and improve our Services; to communicate with you; to provide customer support; to conduct analytics and research; to enhance security and prevent fraud; to comply with legal obligations; and for other legitimate business purposes as permitted by applicable law. 

2. Personal Data Provided by Individuals 

We may collect contact information, including first and last name, phone number, email address, mailing address, and communication preferences that individuals provide to us directly. We use this information to respond to inquiries, provide requested information, manage communications, send administrative or transactional messages, and, where permitted by law, send marketing communications in accordance with your preferences. 

3. Personal Data Automatically Collected 

We, and our service providers and partners, automatically collect information about how you access and use our Services through cookies and other automatic data collection technologies. 

The categories of personal data we automatically collect may include: 

  • Information about your device and network, including device type, manufacturer and model, operating system, IP address, browser type, Internet service provider, and unique identifiers associated with your device or network. Where permitted by applicable law, we may use technologies that recognize when multiple devices are associated with the same individual. 
  • Information about your use of the Services, including referring and exit pages, frequency of access, pages viewed, content interacted with, emails opened or links clicked, communications through the Services, and other browsing or usage activity. 
  • Information about your location, including general geographic location derived from your IP address. 
  • We use this information to operate and improve our Services, personalize user experiences, conduct analytics and research, monitor performance and usage trends, enhance security, diagnose technical issues, and improve the effectiveness of our communications and offerings. 

4. Usage Data 

 We may collect diagnostic, technical, usage, and performance information related to your interaction with our Services (“Usage Data”). To the extent permitted by applicable law, Usage Data is owned by Deep Fission and may be used for lawful business purposes, including operating, maintaining, improving, securing, and analyzing our Services, and sharing aggregated or deidentified insights with third parties. 

5. Personal Data from Other Sources and Third Parties 

We may receive the same categories of personal data described above from other sources, including in connection with corporate transactions such as mergers, acquisitions, reorganizations, financings, or asset sales. 

6. Our Disclosure of Personal Data 

We may disclose personal data in the following circumstances: 

  • Service providers and business partners. We may disclose personal data to vendors, consultants, contractors, and other service providers who perform services on our behalf, such as hosting, analytics, communications, marketing, security, and technical support. 
  • Business transactions. We may disclose personal data in connection with a merger, acquisition, financing, reorganization, sale of assets, or similar transaction, including during due diligence and negotiation. 
  • Legal obligations and rights. We may disclose personal data to legal advisors, regulators, law enforcement, or other third parties as necessary to comply with applicable law, respond to lawful requests, establish or defend legal claims, enforce our agreements and policies, prevent fraud, protect rights and property, or protect the safety of individuals. 
  • With your consent or direction. We may disclose personal data to third parties or publicly when you consent or direct us to do so, such as publishing a testimonial with your permission. 

7. Your Privacy Choices 

You may have choices regarding the collection and use of personal data. These may include adjusting browser or device settings to limit certain automatic data collection technologies, unsubscribing from marketing communications, or contacting us to exercise applicable privacy rights. 

Where required by applicable law, you may have the right to request access to, correction of, or deletion of your personal data; to opt out of certain processing activities; or to limit the use or disclosure of certain data. Requests may be submitted by contacting us using the information provided below. We may take reasonable steps to verify your identity before responding to a request. 

8. Additional Information for California and Other U.S. State Residents 

Residents of California and certain other U.S. states may have additional rights under applicable privacy laws, including the right to know, access, correct, or delete personal data; to opt out of the sale or sharing of personal data; and to not be discriminated against for exercising privacy rights. 

We do not sell personal data for monetary consideration. We may share personal data for purposes such as analytics or advertising in a manner that may be considered “sharing” under California law. Where required, you may opt out of such sharing by contacting us. 

Authorized agents may submit requests on behalf of individuals where permitted by law. We may require verification of the agent’s authority and the identity of the individual. 

We retain personal data for as long as reasonably necessary to fulfill the purposes described in this Privacy Notice, unless a longer retention period is required or permitted by applicable law. 

9. Children’s Personal Data 

Our Services are not directed to children under the age of 13, and we do not knowingly collect personal data from children under 13. If we learn that personal data has been collected from a child under 13, we will promptly delete such information. Parents or guardians who believe their child has provided personal data to us may contact us to request deletion. 

10. Third-Party Websites and Services 

Our Services may include links to or integrations with third-party websites, applications, or services. This Privacy Notice does not apply to the privacy practices of those third parties, and we are not responsible for their practices. We encourage you to review the privacy notices of any third-party services you use. 

11. Updates to This Privacy Notice 

We may update this Privacy Notice from time to time. When we do, we will update the “Last Updated” date above. If we make material changes, we may provide additional notice as required by applicable law. Continued use of the Services after an update constitutes acceptance of the revised Privacy Notice. 

12. Contact Us 

If you have any questions, concerns, or requests regarding this Privacy Notice or our privacy practices, please contact us at info@deepfission.com.