Where your personal data goes, who can see it, and how long it's kept — 399db is always transparent about all of this. Our full Privacy Policy is laid out clearly on this page.
Six layers through which 399db protects your privacy
All your personal data is secured with 256-bit SSL encryption — one of the most robust data protection methods in the world, used by banks and government institutions alike.
399db never sells your personal information to third parties. Sharing data with advertisers, data brokers, or any commercial entity is strictly prohibited.
399db only collects information that is genuinely necessary for account management and security. No unnecessary data is ever requested.
All data is stored on servers meeting international security standards. Regular security audits and penetration testing are carried out.
Only authorized 399db personnel may access user data, and only for specific, legitimate purposes. Every access is logged and audited.
You may request to close your account and delete all associated data at any time. 399db will action this within 30 days.
Note: By accessing or using the 399db website or app, you are deemed to have read and accepted this Privacy Policy.
This privacy policy applies to the 399db platform and all its services — including the website, mobile app, and any services delivered through digital channels.
399db's core commitment is to protect your personal data with the utmost care. As a platform trusted by millions across Bangladesh, we understand that your data is more than just information — it represents your identity and your trust.
This policy is built in accordance with the international GDPR (General Data Protection Regulation) guidelines. While GDPR is primarily European legislation, we adopt it as a global best practice.
399db collects only the following information, which is strictly necessary to operate the platform:
| Data Type | Example | Reason for Collection |
|---|---|---|
| Identity Information | Name, date of birth, NID number | Age Verification & KYC |
| Contact Information | Mobile number, email address | Account Verification & Support |
| Financial Information | Mobile Banking Number | Payment Processing |
| Device Information | IP address, browser type | Security & Fraud Prevention |
| Usage Data | Login timestamps, bet history | Account Management |
We never store your password in plain text — only an encrypted hash is kept. No 399db employee can view your password.
399db collects information through the following methods:
399db uses your data exclusively for the following purposes:
Marketing Communications: If you'd rather not receive promotional SMS or emails, you can opt out at any time from your account settings.
399db uses cookies to improve the platform and personalize your experience:
You can manage or disable cookies through your browser settings. However, disabling essential cookies will prevent you from logging into your account.
399db does not retain your data longer than necessary:
Your rights regarding your data on 399db:
You can request to know what information 399db holds about you.
You can request that any incorrect or outdated information be corrected.
You can request to close your account and have all your data permanently deleted.
You can request that the use of your data be restricted to specific purposes.
You can request a copy of your personal data to download.
You can object to your data being used for marketing or any other purpose.
To exercise any of the rights listed above privacy@399db.biz. 399db will respond within 30 days.
399db follows industry-leading security standards to protect your information:
In the event of a data breach, 399db will notify all affected users within 72 hours.
For any privacy-related questions, concerns, or to exercise your rights, please reach out to the 399db data protection team:
Using online platforms in Bangladesh often comes with a nagging concern — "Where is my data going?" It's a fair question. Many platforms in the country illegally sell user data or misuse it for other purposes. 399db takes a firm and transparent stance against this.
A user from Mymensingh once asked, "If I register with my bKash number, will it be shared with anyone?" The answer is clear — no, never. At 399db, your mobile number is used solely for sending OTPs and processing payments.
399db's data security team consists of cybersecurity experts who work every day to ensure the platform has no vulnerabilities. Every three months, independent third-party specialists conduct a full system review — known as penetration testing. Any gaps found are patched promptly.
A regular member from Sylhet shared: "Since opening my account on 399db, I've never received an irrelevant message — only bet updates and bonus notifications." That's exactly what 399db aims for: relevant communication only, never spam.
399db follows international GDPR standards for data protection. This means you have the right to view, correct, or even permanently delete your data at any time. Simply send an email and 399db will fulfill the request within 30 days.
If 399db makes any significant changes to this Privacy Policy in the future, you will be notified in advance via SMS or email. If you do not wish to continue using the platform after such changes, you are entirely free to close your account.
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