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Pankaj Mouriya.

Security Engineer

At Harness · Bengaluru, India

I work where software engineering meets security. Here I write through the tools, decisions, and details that make complex systems easier to understand.

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Prompt injection

Illustrative security story
  • Application security
  • Cloud security
  • Supply chain security
  • Security automation
Explore my work

From the archive

Selected writing

All writing

01Application security / Tutorial

The Blend of Developer Tools into Security Assessments

Using browser developer tools to investigate postMessage, heap snapshots, Lighthouse findings, and network resources during web security assessments.

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FIELD NOTE / 001Browser contexts
Sender windowReceiver window
targetWindow.postMessage(data, targetOrigin)

One argument decides which origin may receive the message. The article follows that detail through DevTools.

INSPECT THE BOUNDARY

Beyond the feature

More from the archive

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Beyond the page

Work in the open.

Projects, research, and speaking connect the writing to the work behind it. Explore the portfolio

Where I’ve worked

From consulting and security research to product security at scale.

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Harness

Senior Product Security Engineer

Nov 2025 — Present

Product security, vulnerability management, supply chain protection, and security automation.

Product securityVulnerability managementCI security

Architected SoS, a vulnerability management and security posture platform used across Harness and acquired companies.

  • Built security scanning and governance workflows across CI pipelines.
  • Developed AI assisted triage and automation for vulnerability and pentest reports.