Privacy & Security

Sunwin Privacy Policy – Your Data is Safe With Us

Learn exactly how your personal and financial information is collected, used, and kept secure — all presented transparently in English.

Last Updated: January 2026

Why Is Your Information Safe at Sunwin?

We protect your privacy through technology and policy

SSL Encryption

Every transaction and login is protected with 256-bit SSL encryption. Your data remains completely unreadable to anyone outside.

No Sale of Data

Sunwin never sells your personal information to third parties. Your data is used solely to improve our services.

You're in Control

You can view, update, or request deletion of your information at any time. Your data belongs to you.

Secure Servers

Our databases are secured with enterprise-grade firewalls and anti-intrusion systems, with 24/7 monitoring to prevent unauthorized access.

Cookie Transparency

We clearly explain which cookies we use and why. Except for essential cookies, you have full control over the rest.

Regular Audits

Sunwin's security systems are regularly verified through independent third-party audits. We consistently uphold international standards.

Our Commitment: Sunwin believes privacy is a fundamental right. We will never misuse your data and will always operate with full transparency.

1 Introduction & Purpose

This Privacy Policy ("Policy") describes how information is collected and used between the operator of the Sunwin platform (sunwin-baji.net) and its users ("you").

Sunwin operates as a trusted online betting and gaming platform in the Bangladesh market. We believe our users have the right to know how their information is managed — and this Privacy Policy is designed exactly for that purpose.

By creating or using an account on this platform, you agree to this Privacy Policy. It forms part of our Terms & Conditionstogether form a complete legal framework.

We only collect information that is necessary to provide our services. Collecting excessive or unnecessary data goes against our policy.

2 What Information We Collect

Sunwin collects your information in several ways. Each method is explained in detail below:

Information Provided Directly

Information you provide during registration and account use:

Data Type Example Why It's Needed
Identity Information Name, date of birth, national ID number Age Verification & Identity Confirmation
Contact Information Mobile number, email address Account Notifications and Security Alerts
Financial Information BKash/Nagad number, bank details Payment Processing
Address Details Division, district, full address KYC Verification and Legal Requirements

Automatically Collected Information

  • IP Address and Device Type (Mobile/Desktop)
  • Browser type and operating system
  • Platform Access Time and Session Data
  • Betting History and Transaction Records
  • Information Collected from Cookies and Web Beacons

We never store your full payment card number or bank password. Payment information is always kept in encrypted form.

3 Use of Information

Sunwin uses your information only for specific, legitimate purposes. We will never misuse it.

Purposes of Data Use

  • Account Management: For registration, login, and profile updates.
  • Service Delivery: To provide betting, lottery, and other gaming services.
  • Payment Processing: To process deposits and withdrawals securely.
  • Ensuring Security: To prevent fraud, money laundering, and unauthorized account access.
  • Legal Obligation: To comply with the requirements of government regulatory authorities.
  • Customer Support: To help resolve your issues quickly.
  • Service Improvement: To analyze and improve the user experience.
  • Bonuses & Offers: To send you relevant offers based on your preferences.

We never sell or share your information with third parties for marketing or advertising purposes. Your data is used strictly for the purposes outlined above.

4 Data Sharing & Third Parties

Sunwin does not sell, rent, or trade your personal information. However, data may be shared in certain specific circumstances:

Data Sharing Scenarios

  • Payment Gateway: Necessary information is shared with bKash, Nagad, or other payment providers to complete transactions. They are also bound by their own privacy policies.
  • Legal Authorities: Information may be disclosed when required by court order, government investigation, or other legal obligations.
  • KYC Verifiers: Minimal data may be shared with approved third parties for identity and age verification purposes.
  • Technology Partners: Server hosting and technical service providers are bound by strict confidentiality agreements.

Before sharing data with any third party, we ensure they adhere to equivalent privacy and security standards. Protecting your information is our top priority.

5 Cookies & Tracking Technologies

Sunwin uses cookies and similar technologies on its website. Cookies are small text files stored in your browser.

Cookie Type

  • Essential Cookies: Required to maintain your login session and ensure platform security. Without these, the platform will not function properly.
  • Functional Cookies: To remember your preferred language, theme, and settings.
  • Analytics Cookies: To understand which parts of the platform are used most. This data is fully anonymized.
  • Marketing Cookies: To show you relevant offers based on your preferences. You can turn these off at any time.

Cookie Controls

You can delete or disable cookies at any time through your browser settings. However, disabling essential cookies may cause certain platform features to not function properly.

6 Data Storage & Security

Sunwin uses internationally recognized technology to keep your data secure.

Security Measures

  • 256-bit TLS/SSL encryption on all data transmissions.
  • Sensitive data stored in our database is protected with AES-256 encryption.
  • Account protection via two-factor authentication (2FA).
  • 24/7 security monitoring and threat detection on all servers.
  • Regular security audits and penetration testing.

Data Retention Period

Your data is retained according to the following periods:

Data Type Retention Period
Account Information 5 years after account closure
Transaction Records Minimum 7 years as required by law
KYC Documents 5 years after account closure
Support Conversations 2 Years After Resolution
Betting History For the duration of active account + 3 years

7 Your Rights

As a Sunwin user, you have several important rights over your own information:

Right to Access

You may request to see what information we hold about you. Contact our support team and we will respond within 30 days.

Right to Rectification

If any of your information is incorrect, you may request a correction. We will update it as promptly as possible.

Right to Erasure

You may request that your data be deleted under certain circumstances. However, some information may need to be retained due to legal obligations.

Right to Object to Processing

You may object to your data being used for marketing or analytics purposes. We will respect your decision.

Right to Data Portability

You may request a download of your data in a standard format (CSV or JSON).

To exercise any of the rights above, email us at support@sunwin-baji.net. We typically respond within 7 business days.

8 Child Protection

Sunwin strictly prohibits anyone under the age of 18 from using the platform. We do not knowingly collect any information from minors.

  • Age verification is mandatory at the time of registration.
  • If a minor is found to be using an account, that account will be immediately suspended and all associated data deleted.
  • If a parent suspects their child is using the platform, please contact our support team immediately.

9 Privacy Policy Updates

Sunwin may update this Privacy Policy as needed. When changes are made:

  • The date of the latest update will be noted on this page.
  • A notice will be posted on the platform for any significant changes.
  • Notice of significant changes may be sent to your registered email address.
  • Continued use of the platform after any changes will be considered acceptance of the updated policy.

We recommend revisiting this page every few months. When you stay informed, it helps us act more responsibly as well.

10 Contact Us

For any privacy-related questions, complaints, or requests, please reach out to our Data Protection Team:

Email
support@sunwin-baji.net
Response Time
Within 7 business days
Live Chat
Available 24/7
Location
Dhaka, Bangladesh

For more information about our privacy practices, please visit our FAQ Page or Terms & Conditions You may also visit the page.

Play Safe, Win with Confidence

Your data is fully protected at Sunwin. Register now and experience Bangladesh's most secure betting platform.

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