Ef77 takes your personal data seriously. This Privacy Policy explains in detail how your data is collected, used, and protected.
Core pillars of privacy
A quick overview of our six core privacy principles.
All your personal data and financial transactions are protected with 256-bit SSL encryption, making it virtually impossible for hackers or third parties to access.
Ef77 never sells your personal data to third parties. Your data is used exclusively to improve ef77's own services.
You can view, correct, or request deletion of your data at any time. You have full control over your personal information.
Ef77's servers are hosted in internationally certified data centers, protected by firewalls and anti-intrusion systems.
Your mobile number or email will not be used for unsolicited ads or spam. Only essential account notifications will be sent.
Ef77 only collects information necessary to provide its services. No excessive or irrelevant data is requested.
Ef77 (ef77.win) is an international online gaming and Sports Betting platform serving users in Bangladesh. We believe your privacy is a fundamental right — not a privilege.
This Privacy Policy explains what information ef77 collects, why it is collected, how it is used, and how it is kept secure. Please read this policy carefully before using the ef77 website or app.
This policy applies to ef77's Terms and Conditions' applies in conjunction with this document. Together, both documents form the complete legal basis governing your relationship with ef77.
Important: Continuing to use ef77 means you agree to this Privacy Policy. Any updates will be communicated on this page.
Ef77 collects two types of information from you — data you provide directly, and data collected automatically.
| Type of information | Example | Reason for Collection |
|---|---|---|
| Identity information | Name, date of birth | Account Creation & KYC |
| Contact Information | Mobile Number | Verification & Notifications |
| Financial Information | Mobile Banking Number | Payment processing |
| Device information | IP, Device Model, OS | Security verification |
| Gaming activity | Bet History, Wins/Losses | Service improvement |
| Cookie data | Session tokens, preferences | Experience Improvement |
Ef77 will never ask for your full mobile banking PIN, password, or OTP. Anyone requesting this information is not an ef77 representative — report it to support immediately.
Note: As part of the KYC process, a copy of your national ID may be requested. This document is stored in secure, encrypted storage and used solely for identity verification.
Ef77 collects your data only for specific, legitimate purposes. Details are outlined below:
Commitment: ef77 never sells or transfers your data to advertising networks, data brokers, or any third party for commercial purposes.
Ef77 uses industry-leading technology to keep your data safe. The key components of our security framework are:
Please note that no one can guarantee 100% security on the internet. On your end, use a strong password and never share your login credentials with anyone.
Ef77's website and app use cookies — small files stored on your device that help improve your experience on the site.
Cookies used on ef77:
You can disable cookies at any time through your browser settings. However, disabling essential cookies may affect certain features and functionality of the site.
Learn: ef77 does not use tracking cookies from external advertising networks. Your browsing behavior is never shared with third parties.
As an ef77 user, you have the following rights over your own data. Contact the support team to exercise any of these rights.
How to exercise your rights: To exercise any of your rights, contact ef77 via live chat or email at [email protected]. We typically respond within 72 hours.
Ef77 is an 18+ platform. Use by anyone under 18 is strictly prohibited.
A note for parents: Use parental control software on your child's device and stay informed about online gaming. For more details, visit our Responsible Gaming View page.
Ef77 does not retain your data indefinitely. Retention periods are defined based on the type of information:
| Type of information | Retention Period | Reason |
|---|---|---|
| Account Information | For as long as the account remains active | Service delivery |
| Transaction Records | 5 Years | Legal Obligations |
| KYC Documents | 5 years after account closure | AML Compliance |
| Gaming logs | 1 Year | Dispute Resolution |
| Cookie data | 30 Days – 1 Year | Depends on the type of cookie |
| Support Chat | 2 Years | Quality of Service Assurance |
Once the retention period expires, data is securely deleted or anonymized. Some data may be retained longer due to legal obligations.
Ef77 reserves the right to update this Privacy Policy as needed. For any significant changes:
Continued use of ef77 after any changes will be considered your acceptance of the updated policy. We therefore recommend checking this page regularly.
Current Version: This Privacy Policy took effect in January 2026 and will remain in force until further updates.
If you have any questions, concerns, or requests to exercise your rights regarding this Privacy Policy, please contact ef77:
Email:
[email protected]
Usually responded to within 24 hours
Live Chat:
24/7 Support in Bengali
For immediate assistance
To raise a privacy concern, include "Privacy Request" in the subject line of your email. Our data protection team will respond within 72 hours.
FAQs
Play safe
Your information is fully secure. Register with ef77 with confidence and enjoy cricket, football, slots, and fish games.
18+ | SSL Secured | Play Responsibly