📞 +880 1715-151882 ✉️ info@khannasir.com
📍 Dhanmondi, Dhaka-1205, Bangladesh 🇧🇩 বাংলা
Home/Privacy Policy

Privacy Policy

How we collect, use, and protect your personal information. Last updated: 14 May 2026.

1. Introduction

This Privacy Policy explains how CoreStack ("we", "us", "our") operating the website khannasir.com collects, uses, and safeguards information when you visit our website, fill out our contact form, or engage our professional services.

We respect your privacy and are committed to protecting your personal data in accordance with applicable laws, including the Digital Security Act of Bangladesh (2018), the EU General Data Protection Regulation (GDPR) where applicable, and other international privacy standards.

2. Information We Collect

2.1 Information You Provide

  • Contact details: name, email address, phone/WhatsApp number, country, company name (via contact form)
  • Project information: service requirements, budget range, technical descriptions you share
  • Communication content: messages, emails, WhatsApp chats, call notes

2.2 Information Collected Automatically

  • IP address, browser type, device type, operating system
  • Pages visited, time spent, referring website
  • Cookies and similar tracking technologies (see Section 7)

3. How We Use Your Information

  • To respond to your inquiry within 24 hours
  • To schedule consultations and prepare proposals
  • To deliver contracted services (database administration, infrastructure, ERP, AI, hosting, SEO)
  • To send service updates, project status, and invoices
  • To improve our website and service offerings
  • To comply with legal obligations

4. Legal Basis (GDPR)

For visitors in the European Union, we process personal data on these legal bases:

  • Consent — when you submit the contact form
  • Contractual necessity — when delivering paid services
  • Legitimate interest — to improve our website and respond to inquiries
  • Legal obligation — to comply with applicable laws

5. Confidentiality & NDA

All client information, project details, technical configurations, database credentials, and business data we receive during engagements are treated as strictly confidential. A formal Non-Disclosure Agreement (NDA) is available upon request before any engagement begins.

6. Data Sharing

We do NOT sell, rent, or trade your personal information to third parties. We may share information only:

  • With your explicit consent
  • With service providers (email delivery, hosting, form processing — e.g. FormSubmit.co) under strict data-processing terms
  • When required by law, court order, or regulatory authority in Bangladesh or your jurisdiction

7. Cookies

Our website uses minimal cookies, primarily for:

  • Essential site functionality
  • Google Fonts delivery
  • Anonymous analytics (if enabled)

You can disable cookies in your browser settings without significantly affecting site functionality.

8. Data Retention

We retain your data only as long as necessary for the purposes outlined above:

  • Inquiry forms: 12 months from last contact
  • Active client data: duration of engagement + 7 years (for tax/accounting)
  • Marketing communications: until you unsubscribe

9. Your Rights

You have the right to:

  • Access the personal data we hold about you
  • Request correction or deletion of your data
  • Object to processing
  • Withdraw consent at any time
  • Lodge a complaint with a supervisory authority

To exercise these rights, email info@khannasir.com.

10. Data Security

We implement reasonable technical and organizational measures to protect your information — including HTTPS encryption, secure password storage, access controls, and regular security reviews. However, no internet transmission is 100% secure; we cannot guarantee absolute security.

11. International Data Transfers

As we serve clients worldwide, your data may be processed in Bangladesh, the United States (where our form-processing service is hosted), and other countries. We ensure appropriate safeguards are in place for international transfers.

12. Children's Privacy

Our services are intended for businesses and adults aged 18+. We do not knowingly collect data from children under 16.

13. Changes to This Policy

We may update this Privacy Policy from time to time. The "Last updated" date at the top reflects the most recent revision. Continued use of the website after changes constitutes acceptance.

14. Contact Us

For privacy questions or data requests:

💬