Data Protection

40ks Privacy Policy – Your Data, Our Responsibility

The security of your personal data at 40ks is our top priority. This Privacy Policy clearly explains what data we collect, how we use it, and how we keep it safe. Please take a moment to read it carefully.

Last updated: January 2026 SSL Secured Language: English
No data selling
Never sold to third parties
SSL encryption
256-bit protection
Your control
Right to erasure
Fully Confidential
Zero Leaks
Section 01
Introduction & Scope

40ks (https://40ks.net) is a trusted online Sports Betting platform serving bettors across Bangladesh. This Privacy Policy ("Policy") establishes a transparent relationship between you and 40ks — detailing what data we collect, how we use it, and how we keep it secure.

By using the 40ks website, mobile version, or any of our services, you are considered to have accepted this Privacy Policy. If you do not agree with any part of this policy, we ask that you refrain from using our services. This policy applies to all registered members and unregistered visitors of 40ks.

Important: This Privacy Policy is written in plain language for easy understanding. If you have any questions, contact us at support@40ks.net.

40ks believes that user privacy is a fundamental right. We only collect what is genuinely needed to provide our services. There are no hidden agendas — and we will never sell your data.

Section 02
What data we collect

40ks only collects information that is necessary to provide services, verify identity, and ensure security. The data we collect is outlined below under three categories.

1. Information You Provide Directly

Data type When it is collected Why it's needed
Full name At the time of registration Account Verification
Mobile Number At the time of registration OTP Verification & Communication
Email address At the time of registration Account verification
Date of Birth At the time of registration Age Verification (18+)
National ID / Passport KYC Verification Time Identity Verification
Mobile Banking Number Payment Time Transaction processing

2. Automatically Collected Information

  • IP Address & Location Data: For security and fraud prevention.
  • Device information: Browser type, operating system, screen resolution.
  • Session Data: Login time, active session duration, and features used.
  • Betting activity: Bet history, favorite sports, wagering patterns.

3. Information Received from Third Parties

In some cases, mobile banking providers (bKash, Nagad, Rocket) may share limited information with us to verify transactions. This data is used solely for payment processing.

Section 03
How we use your data

40ks uses collected data strictly for defined and legitimate purposes. Our core principle is minimal data use — data is never used for unnecessary or unrelated purposes.

  • Account Management: Registration, login, password reset, and account verification.
  • Payment Processing: To securely process deposits and withdrawals.
  • KYC Verification: To verify identity and prevent money laundering.
  • Service Improvement: To analyze your usage patterns and improve the platform.
  • Security: To detect fraud, hacking, and suspicious activity.
  • Contact: Important updates, transaction confirmations, and customer support.
  • Promotions: To send you relevant offers based on your preferences (you can opt out at any time).
  • Legal obligations: To comply with applicable laws and regulatory requirements.

Our commitment: Your data is never sold to advertising networks or any third-party businesses.

Section 04
Data sharing policy

40ks never sells your personal data to third parties. However, in limited cases, minimal information may be shared with trusted partners solely to deliver our services.

When Information May Be Shared

  • Payment Processing: Only the information necessary to complete transactions is shared with mobile banking providers such as bKash, Nagad, and Rocket.
  • Legal Obligations: Data may be disclosed upon written instruction from Bangladeshi legal authorities or regulatory bodies. In such cases, we will endeavor to notify you in advance, where legally permitted.
  • Fraud Investigation: Limited data may be shared with cybersecurity experts or investigative agencies in the event of a serious fraud investigation.
  • Business transfers: In the event that 40ks is acquired or merged, data may be transferred to the new ownership — however, you will be notified in advance.

In all cases, we share only the minimum information required. Confidentiality agreements are in place with all partners.

Section 05
Data Protection Measures

40ks uses industry-leading technology to protect your data. Our security is multi-layered — if one layer is compromised, the others continue to keep you protected.

1
SSL/TLS encryption
All data exchanged between you and our servers is fully secured via 256-bit SSL encryption.
2
Two-Factor Authentication (2FA)
OTP verification is mandatory for logins and withdrawals, making unauthorized access virtually impossible.
3
Firewall & DDoS Protection
Our servers are protected around the clock with advanced firewall systems and DDoS protection.
4
Encrypted database
All data stored on our servers is encrypted. Passwords are kept using hashed and salted methods.
5
Regular Security Audits
Regular system audits are conducted by independent security experts.
6
Restricted Access
Only authorized personnel can access specific data. Every access is logged.
Section 06
Cookies & Tracking Policy

40ks uses cookies on its website. Cookies are small text files stored in your browser that help improve your browsing experience.

Cookies we use

  • Essential Cookies: These are essential for maintaining login sessions and ensuring security. They cannot be disabled.
  • Functional cookies: Used to remember your language preference, layout settings, and other personalized experience choices.
  • Analytics Cookies: Anonymized data is collected to understand which pages get the most traffic and where issues occur. This can be turned off.
  • Security cookies: Used to detect suspicious access to the same account from multiple devices.

You can delete cookies or block specific ones at any time through your browser settings. Please note that disabling essential cookies may affect the functionality of certain services.

Section 07
Your Privacy Rights

You have full control over your data at 40ks. All of your rights are clearly outlined below.

Right to access
You can request to see what data we hold about you at any time.
Right to rectification
You can request corrections to any inaccurate or outdated information.
Right to deletion
You can request that your data be deleted after your account is closed.
Right to Restrict Processing
You can request that we stop using your data for specific purposes.
Data Portability
You can request a copy of your data downloaded in a standard format.
Right to opt out of marketing
You can opt out of promotional emails or SMS at any time.

To exercise any of your rights support@40ks.netSend us an email and we'll respond within 7 business days.

Section 08
Data retention period

40ks only retains your data for as long as necessary. The retention periods for different types of information are outlined below.

Data type Retention Period Reason
Account information For the duration of active account + 5 years Legal obligation
Transaction records 7 years Financial Regulations
KYC documents 5 Years Regulatory requirements
Betting history 3 years Dispute resolution
Log files 1 year Security analysis
Support conversations 2 Years Service improvement

Once the retention period ends, data is securely and permanently deleted or fully anonymized so that no individual can be identified in any way.

Section 09
Minor Protection

40ks strictly prohibits membership and betting by anyone under 18. Collecting personal data from minors is absolutely forbidden.

  • Date of birth is verified at the time of registration.
  • Age is re-verified as part of the KYC process.
  • If an account holder is found to be under 18, the account will be closed immediately and all associated data will be deleted.
  • If you have any concerns, parents and guardians can reach out to support@40ks.net.

We take child protection seriously and make no compromises. Any account found to belong to a minor is acted upon immediately, and authorities are notified where necessary.

Section 10
Privacy Policy Updates

40ks may update this Privacy Policy as needed. Any changes will be reflected by an updated date at the top of this page, and you will be notified by email for significant changes.

  • Minor changes will result in a page update only.
  • For major changes, notice will be sent to your registered email and posted on the platform.
  • Continued use of the service after any changes will be considered acceptance of the updated policy.
  • If you do not agree to the updated policy, you will have the option to close your account and withdraw your balance.
Section 11
Contact & complaints

If you have any questions, concerns, or complaints about our Privacy Policy, please get in touch with us. 40ks's data protection team is ready to assist you with any inquiries.

  • Email: support@40ks.net
  • Live chat: Click the chat icon in the bottom-right corner of the platform.
  • Response time: Up to 24 hours by email, instant via live chat.
  • Data request process: Up to 7 business days.
Why trust us

Our commitment to protecting your data

40ks is more than a betting platform — it's a trusted partner that places the highest value on your privacy.

Military-grade encryption
All your data is secured with 256-bit AES encryption — bank-grade security technology that keeps unauthorized parties from accessing your information.
Data never sold
40ks never sells your personal information to advertisers or third parties. Your data is used solely to provide you with our services.
Your own control
You have the full right to view, correct, download, and delete your data. Submit a request by email at any time.
Minimal data collection
We only collect the minimum information strictly necessary to provide our services. Nothing more is asked for.
Fixed-Term Retention
A specific retention period is set for each data category. Once expired, data is permanently and securely deleted.
Clear & simple language
Our Privacy Policy is written in plain language so every member can understand it. Nothing is hidden behind complex legal jargon.
FAQ

Your privacy questions answered

No. 40ks never sells or shares your mobile number or any other personal information with third parties. Only the information necessary for payment processing is shared with mobile banking service providers.

National ID information submitted for KYC verification is retained for a maximum of 5 years, in accordance with regulatory requirements. Once this period expires, the data is permanently deleted.

After account closure, certain data must be retained for a specified period due to legal obligations (e.g., transaction records for 7 years). However, marketing and personalization data is deleted immediately.

Yes. You have the right to data portability. Email us at support@40ks.net and we'll send you all your data in a standard format within 7 business days.

Yes. In the event of a data breach, we will notify affected members by email within 72 hours, clearly stating what data was affected and what steps are being taken.

Send an email to support@40ks.net with the subject "Stop Marketing", or click the "Unsubscribe" link at the bottom of any promotional email. We will remove your number and email from our marketing lists within 48 hours.
Safe & trusted

Your data is safe — get started now

Your privacy is fully protected at 40ks. Register on a trusted platform and enjoy betting with complete peace of mind.

SSL Secured Data never sold Trusted platform
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