Effective Date: January 30, 2026
Last Updated: January 30, 2026
1. Introduction
ISOPT – International Society of Oncology Prevention and Treatments (“ISOPT,” “we,” “us,” or “our”) is committed to protecting your privacy and handling your personal information responsibly and transparently.
This Privacy Policy explains how we collect, use, store, share, and protect your information when you access or use the ISOPT website, platform, and services (collectively, the “Services”).
By creating an account, accessing our content, or using our Services, you acknowledge that you have read and understood this Privacy Policy. Where required by law, we obtain your explicit consent through affirmative action.
Use of the Services is also governed by ISOPT’s Terms and Conditions.
2. About ISOPT
ISOPT is an international educational platform dedicated to cancer prevention and treatment awareness, providing video-based educational content created by leading doctors and medical professionals worldwide.
Access to content requires free user registration.
ISOPT does not provide medical diagnosis or treatment and does not replace professional medical advice.
3. Information We Collect
3.1 Information You Provide Directly
When you sign up for an ISOPT account, we collect the following information:
Full name
Email address
Password (stored in encrypted/hashed form)
Country
City
Region or state
Occupation
Disease(s) of interest
Record of consent to the Privacy Policy and Terms
Providing this information is required to create an account and access protected content.
3.2 Automatically Collected Information
When you use the Services, we may automatically collect limited technical data, including:
IP address
Device type and browser type
Operating system
Date and time of access
Pages viewed and interactions with content
This information is collected for security, analytics, and performance optimization purposes.
3.3 Cookies and Similar Technologies
ISOPT uses cookies and similar technologies to:
Maintain login sessions
Enhance site functionality
Improve performance and security
You may control cookie settings through your browser. Disabling cookies may affect certain features.
Where required by law, ISOPT obtains user consent before placing non-essential cookies.
4. How We Use Your Information
We use your information to:
Create and manage your user account
Authenticate users and secure access to content
Provide educational video content
Personalize content based on disease interests
Communicate important service-related messages
Improve website functionality and user experience
Maintain platform security and prevent misuse
Comply with legal and regulatory obligations
We do not sell or rent your personal information. ISOPT does not engage in automated decision-making or profiling that produces legal or similarly significant effects on users.
5. Medical and Health-Related Information
Certain fields (such as disease of interest) may relate to health topics. This information is:
Used only to personalize educational content
Not used for diagnosis, treatment, or profiling
Not shared with advertisers or third parties
ISOPT does not provide medical care and does not act as a healthcare provider.
6. Data Storage and Security
6.1 Infrastructure
ISOPT is hosted on Amazon Web Services (AWS)
User data is stored in Amazon RDS databases
6.2 Security Measures
We use industry-standard security practices, including:
Encrypted data transmission (HTTPS/TLS)
Password hashing and authentication safeguards
Access controls and role-based permissions
Secure server and database configurations
Regular updates and security monitoring
Despite our efforts, no system is 100% secure. You are responsible for safeguarding your account credentials.
In the event of a personal data breach that poses a risk to user rights, ISOPT will notify affected users and relevant authorities as required by applicable law.
7. Data Sharing and Disclosure
We do not share your personal information except in the following limited circumstances:
Service providers that help operate the platform (e.g., hosting, security), under strict confidentiality obligations
Legal compliance, when required by law, regulation, or valid legal request
Protection of rights, safety, or security of ISOPT, users, or the public
We do not share data for advertising or marketing purposes.
8. International Users
ISOPT serves users worldwide, including the United States, Europe, Asia, and other regions.
By using the Services, you understand that your data may be processed and stored in countries with different data protection laws, including the United States. We apply appropriate safeguards to protect your information.
9. Your Rights and Choices
Depending on your location, you may have rights including:
Accessing your personal data
Updating or correcting your information
Requesting deletion of your account
Withdrawing consent (where applicable)
Requesting information about data usage
You may update most information directly through your account settings.
To request account deletion or exercise other rights, contact us using the information below.
10. Data Retention
We retain personal information:
For as long as your account remains active
As necessary to provide Services
As required by legal or regulatory obligations
When an account is deleted, data is securely removed or anonymized unless retention is legally required.
11. Children’s Privacy
ISOPT is not intended for children under the age of 13.
We do not knowingly collect personal data from children. If we become aware that such data has been collected, we will delete it promptly.
12. Third-Party Links and Content
The ISOPT platform may include links to third-party websites or content.
We are not responsible for the privacy practices or content of external sites.
13. Changes to This Privacy Policy
We may update this Privacy Policy from time to time.
Changes will be posted on this page with an updated “Last Updated” date.
Continued use of the Services after changes constitutes acceptance of the updated policy.
14. Contact Information
If you have questions about this Privacy Policy or how your data is handled, please contact:
ISOPT – International Society of Oncology Prevention and Treatments
Email: [privacy@isopt.health]
Website: [https://isopt.health/]
Regulatory Compliance and Regional Data Protection Rights
ISOPT is committed to complying with applicable data protection laws, including but not limited to:
General Data Protection Regulation (GDPR) (European Union)
Personal Information Protection Law (PIPL) (People’s Republic of China)
Where required by law, ISOPT provides additional disclosures, consent mechanisms, and user rights protections based on the user’s location.
If there is any conflict between regional notices and the general provisions of these Terms or the Privacy Policy, the regional notice shall prevail for users in that jurisdiction.
Legal Basis for Processing (GDPR Article 6)
Where we rely on legitimate interests, we consider and balance our interests against your rights and freedoms and implement appropriate safeguards.
ISOPT processes personal data of users located in the European Economic Area (EEA) on the following legal bases:
Consent – for account creation, optional profile fields, and sensitive data
Performance of a contract – to provide access to registered Services
Legitimate interests – to ensure platform security, prevent abuse, and improve Services
Legal obligations – where required by applicable law
Users may withdraw consent at any time without affecting the lawfulness of processing prior to withdrawal.
Special Categories of Data (GDPR Article 9)
Certain information, such as disease(s) of interest, may be considered special category (health-related) data under GDPR.
ISOPT processes such data:
Only with explicit user consent
Solely for educational personalization
Not for medical, diagnostic, or profiling purposes
GDPR User Rights
EU users have the right to:
Access their personal data
Rectify inaccurate data
Request erasure (“right to be forgotten”)
Restrict or object to processing
Data portability
Withdraw consent at any time
Lodge a complaint with a supervisory authority
Requests can be submitted via [privacy@isopt.health].
China-Specific Privacy Notice (Mainland China Users)
This section applies only to users located in the People’s Republic of China (excluding Hong Kong, Macau, and Taiwan) and supplements the Privacy Policy above. Where there is a conflict, this section prevails for Mainland China users.
ISOPT processes personal information of Mainland China users in accordance with the Personal Information Protection Law of the People’s Republic of China (PIPL) and related regulations.
1. Personal Information We Collect from Mainland China Users
In addition to information described elsewhere in this Privacy Policy, ISOPT collects the following personal information from Mainland China users during account registration and use of the Services:
Name
Email address
Password (stored in encrypted/hashed form)
Country, city, and region
Occupation
Disease(s) of interest
Account activity and access logs
2. Sensitive Personal Information
Under PIPL, certain information is classified as Sensitive Personal Information.
For ISOPT, this includes:
Disease(s) of interest
This information is collected solely for educational content personalization and not for diagnosis, treatment, profiling, or commercial purposes.
We collect and process sensitive personal information only after obtaining your separate, explicit consent, as required by law.
3. Purpose and Necessity of Processing
We process personal information of Mainland China users only for the following purposes:
Creating and managing user accounts
Authenticating access to protected educational content
Personalizing educational videos based on disease interests
Ensuring platform security and preventing misuse
Complying with legal obligations
We do not use personal information for advertising, marketing, or automated decision-making.
4. Cross-Border Transfer of Personal Information
ISOPT’s servers and databases are hosted outside Mainland China, including in the United States, using secure cloud infrastructure provided by Amazon Web Services (AWS).
By registering for an account and providing consent, you explicitly acknowledge and agree that:
Your personal information will be transferred outside Mainland China
The destination country may have different data protection laws
ISOPT applies reasonable technical and organizational safeguards to protect your data
You may withdraw your consent to cross-border data transfer at any time by requesting account deletion.
5. Your Rights Under Chinese Law
As a Mainland China user, you have the right to:
Access your personal information
Correct or update inaccurate information
Request deletion of your personal information
Withdraw consent at any time
Request an explanation of ISOPT’s personal information processing rules
Requests may be submitted using the contact information below. We will respond within the timeframe required by applicable law.
6. Data Retention
We retain personal information of Mainland China users:
For as long as the account remains active
As necessary to provide the Services
As required by applicable laws
When personal information is no longer required, it is securely deleted or anonymized.
7. Consent and Withdrawal
Mainland China users are required to provide separate and explicit consent for:
Collection and processing of personal information
Processing of sensitive personal information
Cross-border transfer of personal information
You may withdraw your consent at any time. Withdrawal may limit or terminate your ability to access the Services.
8. Data Security Measures
ISOPT implements reasonable and appropriate safeguards, including:
Encrypted data transmission (HTTPS/TLS)
Password hashing and authentication controls
Access controls and security monitoring
Secure cloud infrastructure
Despite these measures, no system can guarantee absolute security.
9. Contact for Mainland China Privacy Matters
For questions, concerns, or requests related to personal information of Mainland China users, please contact:
ISOPT – International Society of Oncology Prevention and Treatments
Email: [privacy@isopt.health]
10. Language
This China-Specific Privacy Notice may be provided in both English and Simplified Chinese.
In the event of inconsistency, the Simplified Chinese version shall prevail for Mainland China users.