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Skills

  • App Development
  • Data Security
  • Email Security
  • Encryption
  • Ethical Hacking
  • Internet Security
  • Malware Removal
  • Mobile Security
  • Networking
  • Penetration Testing
  • Security Consulting
  • Security Testing
  • Software Testing
  • SSL
  • User Authentication

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Services

  • I will do vapt and penetration test

    $15/hr Starting at $25 Ongoing

    Dedicated Resource

    Is your website, app, or system truly secure? I'm Sakib Haque Zisan, Cyber Security Engineer and founder of Byte Capsule, a trusted cybersecurity firm from Bangladesh. I provide real-world penetration...

    App DevelopmentData SecurityEmail SecurityEncryptionEthical Hacking

About

Securing Every Byte Protecting Your Digital World with Trust, Precision, and Expertise.

Are your systems secure? Is your data protected? I'm Sakib Haque Zisan, a CEH Practical, recipient of the BICSAA 2023 Award, and Founder & CEO of Byte Capsule a leading cybersecurity startup in Bangladesh. With extensive real-world experience, I help businesses and individuals detect, respond to, and recover from cyber threats.
Through Byte Capsule, I've delivered cybersecurity training and solutions to clients globally, combining technical precision with business-focused insight.

Services I Offer:
✅ Web and Mobile App Pentesting
✅ API Security Testing
✅ Vulnerability Assessment & Reporting
✅ Malware Analysis & Threat Investigation
✅ Digital Forensic Investigation (System, Network, Device)
✅ Cryptanalysis

What You'll Receive:
✅ A professional security report (PDF) with technical findings
✅ Screenshots, evidence, and proof of concept
✅ Actionable remediation guidelines
✅ 100% ethical and confidential service backed by Byte Capsule

Whether you're looking to secure your digital assets, recover lost data, or investigate a potential breach I've got your back. With the support of Byte Capsule, your project will be handled with professionalism, precision, and complete confidentiality.

Work Terms

Hours of Operation:
Monday to Saturday — 10:00 AM to 9:00 PM (GMT+6)

Payment Terms:
• 50% advance payment to begin the project.
• Remaining 50% upon completion and client approval.
• Accepted methods: Bank transfer, PayPal or international card payments.

Preferred Communication Style:
We prioritize clear, professional, and prompt communication through:
• Scheduled video meetings for progress reviews and technical discussions.

Response Time:
Typically within 2–3 business hours for all client queries and support requests.