Secure What You Build Before It's Too Late

Proactive security testing tailored for fast-moving startups and growing SaaS products.

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About NullCore Labs

At NullCore Labs, we specialize in web application security, with over five years of experience in bug bounty hunting and penetration testing. Our team has identified critical vulnerabilities in major platforms, earning recognition and Hall of Fame honors from global tech leaders including Google, Intel, AT&T, IBM, and others.

We’re driven by a mission to make elite-level security accessible to emerging startups — because in today’s digital world, a strong defense isn’t optional, it’s foundational.

Proudly based in Kerala, we bring global-grade expertise with a sharp understanding of the startup journey — helping innovators build, scale, and stay secure.

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Websites Secured

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Years of Experience

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Our Core Services

Web App Pentesting

A deep-dive, manual assessment to uncover complex vulnerabilities like business logic flaws and chained exploits that automated scanners miss.

API Security Testing

Specialized testing for REST & GraphQL APIs to identify issues like broken access control, data exposure, and injection attacks.

Vulnerability Assessments

A hybrid approach combining automated scanning with manual validation to provide a prioritized, false-positive-free report of your security posture.

Why Partner With NullCore Labs?

Expert-Led, Manual-First Approach

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We prioritize manual penetration testing by seasoned experts to find critical vulnerabilities that automated tools always miss. Our experience in bug bounties means we think like real-world attackers, giving you a true assessment of your security.

Actionable & Developer-Friendly Reports

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Our reports are not just a list of problems. We provide clear, concise, and actionable guidance with proof-of-concepts and remediation steps that your developers can understand and implement quickly, without jargon.

Affordable Security for Indian Startups

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Our mission is to make enterprise-grade security accessible. We've structured our services and pricing to be startup-friendly, ensuring you don't have to compromise on security as you grow your business in India.


Solutions for Every Stage

Your security needs evolve as you grow. We offer tailored penetration testing solutions that match your journey, from launch to market leadership.

Startup Shield

Essential baseline security for new products & MVPs

  • ✓Manual OWASP Top 10 Check
  • ✓Automated Vulnerability Scan
  • ✓Actionable Summary Report
  • ✗Scope Limited to Single Target
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Growth Guardian

Comprehensive deep-dive for growing applications

  • ✓In-Depth Web & API Pentest
  • ✓Automated Vulnerability Scan
  • ✓Business Logic Flaw Analysis
  • ✓Developer-Friendly Report
  • ✓Free Retest Included
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Enterprise Sentinel

Continuous proactive defense for mission-critical systems

  • ✓Continuous Pentesting
  • ✓Periodic Vulnerability Scans
  • ✓Custom Scope & Integrations
  • ✓Dedicated Security Expert
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Ready to Secure Your Application?