About

A senior cybersecurity practice, built around how enterprises actually buy

◆ Founder · Lead Advisor
Sumanta Dey
Cybersecurity & Product Security Leader
Why Ratna Security

Security leadership you can stand behind

Ratna Security is led by Sumanta Dey, a senior cybersecurity and product security leader with more than 20 years of experience across engineering, application security, product security, and security leadership.

Sumanta has led security initiatives in complex enterprise environments and understands both the technical realities of building secure products and the business realities of selling to enterprise customers.

◆ Credibility
  • 0120+ years across engineering, product, and security leadership
  • 02Deep application security and product security experience
  • 03Executive-level perspective with hands-on technical grounding
  • 04Strong business orientation
  • 05Cross-functional experience across product, engineering, legal, security, compliance, and leadership
  • 06Comfortable with founders, boards, product teams, and enterprise customers
Connect with Sumanta on LinkedIn
Operating Principles

How Ratna Security works in practice

01

Pragmatic over theoretical

Security advice that ships, scales, and survives contact with real engineering teams and real customer pressure.

02

Business-aligned, not bolted-on

Security framed in the same language as growth, sales, and customer trust — because that's how it gets bought, funded, and sustained.

03

Senior-operator engagement

Engagements led by a senior operator who has built and run product security functions — not a junior with a framework.

04

Trusted network for depth

Specialist support brought in when needed, without losing the single point of strategic accountability.

Ready When You Are

Ready to make security a growth advantage?

If your company is preparing for enterprise customers, AI adoption, security reviews, or rapid scale, now is the right time to strengthen your product security posture.