399b takes your personal data seriously. This privacy policy explains what information we collect, why we collect it, and how it is protected.
Last Updated: January 2026All your data is protected with 256-bit SSL encryption.
This privacy policy applies to the 399b (https://399b.onl) platform. By using the platform, you are considered to have accepted this policy. Please read it carefully.
399b is a trusted online gaming platform for users in Bangladesh. We believe protecting your personal privacy is a core part of our responsibility. This privacy policy clearly explains what data 399b collects, why it is collected, how it is used, and the steps taken to keep your information secure.
Our privacy policy is written to be simple and transparent, so every user understands exactly what happens with their data. 399b never sells your information or transfers it to third parties without authorization. Our goal is to give you a safe and enjoyable gaming experience where your data remains entirely in your control.
This policy was last updated in January 2026. Any future changes will be posted on this page, and registered users will be notified.
399b only collects data that is strictly necessary for operating the platform, ensuring security, and delivering services to users.
We never store your full payment PIN, password, or bank account details.
399b collects information through several methods. Below are the main sources of data collection:
| Method | What Information Is Collected | Reason |
|---|---|---|
| Registration Form | Name, Email, Mobile Number, Date of Birth | Account Creation & Verification |
| KYC Upload | NID/Passport scan, proof of address | Identity & Age Verification |
| Payment Gateway | Mobile number, transaction records | Secure Financial Transactions |
| Cookies / Trackers | Browsing behavior and preferences | Service Quality Improvement |
| Customer Support | Communication Content | Issue Resolution & Record Keeping |
| Device / App | IP, Device ID, App Version | Security & Fraud Prevention |
399b uses your data only for defined and legitimate purposes. The main reasons we process your information are:
If you do not wish to receive marketing messages, you can opt out by contacting customer support. However, transaction and security-related messages cannot be turned off.
399b uses cookies and similar technologies on its website and app. Cookies are small data files stored on your device that help improve your experience on the platform.
You can manage cookies through your browser settings. However, disabling essential cookies may cause certain platform features to stop working.
399b uses industry-leading security technology to protect your data. The core components of our security framework are:
No technology is 100% impenetrable. Keep your password strong and never share it with anyone. If you notice any suspicious activity, contact us immediately.
399b does not retain your data indefinitely. Specific retention periods are defined for each type of information:
| Data Type | Retention Period | Reason |
|---|---|---|
| Account Information | 5 years after account closure | Legal Obligation |
| Transaction Records | 7 Years | AML & Financial Compliance Policy |
| KYC Documents | 5 years after account closure | Proof of Identity Verification |
| Customer Support Records | 3 Years | Dispute Resolution |
| Cookie Data | Session end or 30 days | Remembering Preferences |
| Log Files | 90 Days | Security Monitoring |
Once the retention period expires, data is automatically deleted or anonymized.
You have the following rights over your personal data on the 399b platform. To exercise any of these rights, please contact customer support:
You can request to see what information we hold about you.
You can request corrections to any inaccurate or outdated information.
You can request deletion of your data under certain circumstances.
You can request that we stop using your data for specific purposes.
You can request an export of your data in a structured format.
You can object to your data being used for marketing or profiling purposes.
We generally respond to rights requests within 30 business days of receipt. Some data may not be deletable due to legal obligations.
399b strictly prohibits anyone under the age of 18 from using the platform. We do not knowingly collect any data from minors.
If you believe a minor is using 399b, please [email protected]to let us know.
399b may update this privacy policy from time to time. Changes may occur due to legal requirements, the addition of new services, or the need to strengthen user protection.
For any questions, complaints, or requests to exercise your rights regarding this Privacy Policy, please contact us:
For more information, visit our FAQ Page View or Terms & Conditions Read.
We do not just follow the rules — protecting your data is at the heart of how we operate.
Every transaction and piece of personal data is protected with 256-bit SSL encryption — banking-grade security guaranteed.
399b never sells your personal data to third parties. Your data belongs to you.
We are transparent about what data we collect and why. No hidden agendas — everything is clearly laid out on this page.
You have the right to view, correct, delete, or port your data at any time. Submit a request to our support team whenever you need.
You are free to disable marketing and analytics cookies. The platform remains fully usable with essential cookies only.
Your data is not stored indefinitely. Once the defined retention period ends, it is automatically deleted or anonymized.
Your privacy is our top priority at 399b. Enjoy the best online gaming experience in Bangladesh in a secure environment.