Data Protection

399d Privacy Policy — Your information is completely safe with us

When you create an account or use the 399d platform, we collect certain information. This Privacy Policy clearly explains what that information is, why it is collected, how it is used, and how it is kept secure.

Last Updated: January 2026
Privacy Core Security Principles

Here is a quick overview of the core principles we follow to protect your personal data at 399d.

End-to-End Encryption

All your personal information and payment data at 399d is protected with 256-bit SSL encryption. No card numbers or passwords are ever stored as plain text on our servers.

Not Sold to Third Parties

Your data is never sold to third parties. Under the 399d Privacy Policy, information is used solely for service improvement and legal compliance.

Right to Opt Out

You can opt out of marketing emails or notifications at any time. You may also submit a request to have your data deleted.

Regular Security Audits

399d's systems are regularly audited by independent third-party cybersecurity experts. Resolving any vulnerabilities promptly is a top priority for us.

Minimal Data Collection

We only collect the data necessary to provide our services. Collecting unnecessary personal information is against 399d policy.

Scheduled Data Deletion

Your data is securely deleted once it is no longer needed to provide our services or when the required legal retention period has passed. We maintain a clear data retention policy.

1 What Data We Collect

When you create an account or use the 399d platform, we collect certain personal information. In line with this Privacy Policy, we only collect what is genuinely needed to provide you with our services. Data is collected in three main ways: information you provide at registration, data collected automatically while you use the platform, and documents submitted during the KYC process.

At registration, we collect your name, email address, mobile number, date of birth, and country. A copy of your national ID or passport may be requested for KYC verification. Mobile banking account details may also be verified for deposits and withdrawals.

Types of Information Example Reason for Collection
Identity Information Name, Date of Birth, NID KYC & Age Verification
Contact Information Email, Mobile Account Management
Financial Information Mobile Banking/Nagad Number Payment Processing
Usage Information Login Time, IP Address Security Monitoring
Device Information Browser, OS, Device ID Technical Support

399d will never ask for your password or full card number over the phone or by email. If anyone does, report it to our support team immediately.

2 How Your Collected Information Is Used

Under the 399d Privacy Policy, your data is used only for specific, legitimate purposes. We never use your information for commercial gain or unrelated activities. The main purposes are detailed below.

  • For account creation, verification, and secure management.
  • To process deposits, withdrawals, and other financial transactions.
  • To provide customer support and resolve technical issues.
  • To detect and prevent fraud, money laundering, and other illegal activities.
  • To fulfill legal obligations required by regulatory authorities.
  • To inform you about promotions and offers, with your consent.
  • To personalize your platform experience and improve the quality of our services.

Marketing Communications: You can opt out of promotional emails or SMS at any time. This can easily be changed from your account settings.

3 Who We Share Your Information With

The most important aspect of the 399d Privacy Policy is this — we do not sell your data. However, limited data may be shared with trusted parties to operate our services. In every case, data is shared only for a specific purpose, and the relevant parties are bound by the same standard of confidentiality.

  • Payment Processor: Information necessary to process financial transactions is shared with Mobile Banking, Nagad, or other approved payment gateways.
  • Legal Authorities: Data may be disclosed in compliance with valid instructions from a court or government regulatory body.
  • Technology Partner: Limited technical data is shared with technology service providers to keep the platform running.
  • Security Agency: When cooperating with specialist agencies for fraud detection and prevention.

399d never sells or transfers your personal information to advertising companies, data brokers, or social media platforms.

4 Cookie & Tracking Policy

399d uses cookies on its website to enhance your experience. Cookies are small text files stored in your browser. They are used to keep you logged in, remember your language preferences, and ensure the platform functions correctly.

We use three main types of cookies. First, essential cookies — the platform cannot function properly without these, so they are always active. Second, performance cookies — these help us monitor site speed and functionality. Third, functional cookies — used to remember your preferences and settings.

You can manage cookies from your browser settings. However, disabling essential cookies may prevent some platform features from working. Under the 399d Privacy Policy, data collected via cookies is never shared with third-party advertisers.

5 Data Security Measures

399d uses industry-leading technology to protect your data. Our security infrastructure is built to ensure maximum protection against unauthorized access, data theft, and breaches.

  • 256-bit TLS/SSL encryption applied to all data transfers.
  • Sensitive data stored on our servers is protected with AES-256 encryption.
  • Two-factor authentication (2FA) is available for all accounts.
  • Automatic alerts and account lockout triggered by suspicious login attempts.
  • Regular third-party penetration testing and vulnerability scanning.
  • Physical security and access logs maintained for server rooms.

In the event of a data breach, 399d is required to notify the relevant authorities and affected members within 72 hours.

6 Your Privacy Rights

399d believes every member should have full control over their own data. We therefore guarantee you the rights listed below. To exercise any of these rights, please contact our support team.

Right to Access Your Information

You can request to know what information we hold about you.

Right to Rectification

You can request corrections to any inaccurate or incomplete information.

Right to Erasure

You can request deletion of your information under certain circumstances.

Right to Restrict Processing

You can request that processing of your information be restricted for specific reasons.

Right to Data Portability

You may request a copy of your data in a portable format.

Right to Object

You can object to your data being used for marketing or profiling.

7 Third-Party Services & Links

The 399d platform may integrate services from various game providers and technology partners. These third-party services have their own privacy policies. The 399d Privacy Policy applies only to our own platform.

Game software providers (such as slots or Live Casino game developers) may collect certain technical data to operate their games. This data collection is governed by their own policies and 399d is not responsible for it. We do, however, always work with reliable and reputable partners.

8 Protection of Minors

399d strictly prohibits use of the platform by anyone under 18. We do not knowingly collect data from minors. Age is verified at registration, and additional ID may be requested if there is any doubt.

If a minor has created an account by mistake and we become aware of it, that account is immediately closed and any collected data is deleted. Parents or guardians who become aware of such an account are encouraged to contact our support team right away.

399d takes responsible gaming seriously. To learn about our detailed policy on protecting minors, Responsible Gaming Visit the page.

9 Data Retention Period

Under the 399d Privacy Policy, your data is not retained longer than necessary. While your account is active, data is stored to provide our services. After account closure, certain data may be retained for a defined period to meet legal and regulatory obligations.

  • Account & identity information: up to 5 years after account closure.
  • Financial transaction records: up to 7 years as required by law.
  • Customer support conversations: up to 3 years.
  • Logs & technical data: retained for up to 12 months.
  • Marketing preferences: updated immediately upon opt-out.

Once the retention period expires, your data is securely deleted or anonymized so you can no longer be identified.

10 Contact & Complaints

For any questions, requests, or complaints regarding this Privacy Policy, please contact our dedicated privacy team. We are available in English 24 hours a day, 7 days a week. We aim to resolve all privacy-related requests within 30 days.

Privacy enquiries: [email protected]  |  Live Chat: available directly on the platform

399d reviews and updates this Privacy Policy on a regular basis. Members will be notified in advance of any significant changes. The date of the latest update is always displayed at the top of this page.

General FAQ

Answers to the most frequently asked questions about our Privacy Policy.

No, 399d never sells your personal information to third parties. As outlined in our Privacy Policy, your data is used solely for service delivery, payment processing, and legal compliance.

Yes. At 399d, all payment information is secured with 256-bit SSL encryption. Card numbers and mobile banking PINs are never stored on our servers. All payments are processed through authorized gateways.

Yes, you have the right to request deletion of your data. However, certain information may need to be retained for a specified period due to legal or regulatory obligations. To submit a request, please contact our support team.

Yes, 399d uses cookies to ensure the platform functions properly. You can disable optional cookies through your browser settings. However, disabling essential cookies may affect your ability to log in or play games.

You will be notified in advance of any significant changes via your registered email and platform notifications. The date of the latest update is always shown at the top of this page.
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399d is always committed to protecting your data. We are here for you with secure payments, transparent policies, and 24/7 support.

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