About us
At Grey Theta Information Security Pvt. Ltd., we are passionate about securing businesses through real-world expertise and innovative security solutions. With over a decade of hands-on experience, our team consists of elite penetration testers, seasoned bug bounty hunters, and recognized hall of famers from leading global enterprises.
Our mission is to deliver affordable, high-quality security testing that empowers organizations of all sizes to stay ahead of evolving cyber threats. We leverage our deep knowledge of offensive security, gained through years of hacking challenges and freelance engagements, to identify vulnerabilities before they become threats.
As a small but dedicated team, we specialize in penetration testing, security operations (SOC), GRC consulting, and personalized security services. What sets us apart is our focus on knowledge-driven assessments that rely on real-time expertise rather than expensive tools. From proactive breach testing to incident response, we ensure every company receives tailored solutions that fit their needs
About us
At Grey Theta Information Security Pvt. Ltd., we are passionate about securing businesses through real-world expertise and innovative security solutions. With over a decade of hands-on experience, our team consists of elite penetration testers, seasoned bug bounty hunters, and recognized hall of famers from leading global enterprises.
Our mission is to deliver affordable, high-quality security testing that empowers organizations of all sizes to stay ahead of evolving cyber threats. We leverage our deep knowledge of offensive security, gained through years of hacking challenges and freelance engagements, to identify vulnerabilities before they become threats.
As a small but dedicated team, we specialize in penetration testing, security operations (SOC), GRC consulting, and personalized security services. What sets us apart is our focus on knowledge-driven assessments that rely on real-time expertise rather than expensive tools. From proactive breach testing to incident response, we ensure every company receives tailored solutions that fit their needs
tl;dr
We are Certified, Recognized, and Affordable
Why Grey Theta?
In an ever-evolving threat landscape, choosing the right security partner matters. Here’s why we stand apart:
Built by Hackers,
for Defenders
Over 20 years of collective Hands-On Expertise
Affordable, Yet Top-Tier
Certified Professionals
Trusted By Clients from 30+ Countries
Recognized by industry leaders
Secured Many companies
Tailored solutions
tl;dr
We are Certified, Recognized, and Affordable
Certified Professionals in industry-leading certifications such as:
ISO 27001 Lead Auditor / Implementer
OSCP (Offensive Security Certified Professional)
CEH (Certified Ethical Hacker)
CISSP (Certified Information Systems Security Professional)
And more...
Our team brings many years of hands-on experience across various security domains and sectors.
Over 20 years of collective, real-world experience across diverse industries, securing complex environments, and delivering tailored cybersecurity solutions.
Broad industry expertise, including travel, financial services, healthcare, e-commerce, and government sectors.
Extensive knowledge from working on penetration testing, red teaming, and security operations for organizations ranging from startups to large enterprises.
Proficient in Web, API, and Mobile penetration testing, SOC operations, root cause analysis, and GRC (Governance, Risk, and Compliance) frameworks.
Recognized by major tech companies for our contributions to their bug bounty programs and responsible disclosures, helping them strengthen their security posture.
Discovered and responsibly disclosed over 1000 vulnerabilities.
Recognized by major tech companies for our contributions to their bug bounty programs, including:
Google, Facebook, Twitter, Apple, American Airlines, United Airlines, AirAsia, DJI, IBM, Intel, Samsung, Motorola, Yahoo Japan, U.S. Department of Defense (DoD), VIVO, Shareit, Monster, WM.com, Flipkart, ASOS, OyoRooms, Redbus, Shaadi, Bharat Matrimony, Mudah.my, Shopee, Planet inc, StripChat, ,Chess.com and many more
Industry Recognition
Experience & Expertise
Certified Professionals
Why Grey Theta?
In an ever-evolving threat landscape, choosing the right security partner matters. Here’s why we stand apart:
Certified Professionals
Recognized by industry leaders
Trusted By 30+ Clients
Secured Many companies
Over 20 years of collective Hands-On Expertise
Affordable, Yet Top-Tier
Built by Hackers,
for Defenders
GREY THETA
Certified Professionals in industry-leading certifications such as:
ISO 27001 Lead Auditor / Implementer
OSCP (Offensive Security Certified Professional)
CEH (Certified Ethical Hacker)
CISSP (Certified Information Systems Security Professional)
And more...
Our team brings many years of hands-on experience across various security domains and sectors.
Over 20 years of collective, real-world experience across diverse industries, securing complex environments, and delivering tailored cybersecurity solutions.
Broad industry expertise, including travel, financial services, healthcare, e-commerce, and government sectors.
Extensive knowledge from working on penetration testing, red teaming, and security operations for organizations ranging from startups to large enterprises.
Proficient in Web, API, and Mobile penetration testing, SOC operations, root cause analysis, and GRC (Governance, Risk, and Compliance) frameworks.
Recognized by major tech companies for our contributions to their bug bounty programs and responsible disclosures, helping them strengthen their security posture.
Discovered and responsibly disclosed over 1000 vulnerabilities.
Recognized by major tech companies for our contributions to their bug bounty programs, including:
Industry Recognition
Experience & Expertise
Certified Professionals
Grey Theta ™
Information Security pvt ltd
Reg office
82/3 Ballem Vari Street, Ramavarappadu, Krishna, Vijayawada (rural),
Andhra Pradesh, India,
521108.
contact@greytheta.com
+91 9133633328
© 2025. All rights reserved.
Company
Services
Resources
Contact
Legal
Blog
Privacy Policy
Terms of Service
Cookie Policy
GRC
Security consultancy
