Sandeep Singh

Introducing Cosmos

Named Leader of the GigaOm Radar for the third year in a row!

Meet Cosmos: The continuous offensive security solution designed to provide proactive defense.

Get Cosmos Attack Surface Management (CASM) for unmatched visibility into your changing external attack surface with continuous discovery and mapping.

Cosmos Application Penetration Testing

Cosmos Application Penetration Testing (CAPT) strengthens the security of business-critical applications with in-depth assessments.

Cosmos External Penetration Testing

Cosmos External Penetration Testing (CEPT) builds on Cosmos Attack Surface Management to provide the highest level of attack surface protection with post-exploitation activities.

The Best Defense is a Great Offense

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Application Security

Ensure your applications are secure and improve your DevSecOps practices.

Red Team & Readiness

Get a holistic view of your ability to defend against a real-world attack.

IoT & Product Security

Validate interconnected devices and products are secure against attackers.

Cloud Security

Assess cloud security posture with expert testing and analysis of your environment.

Network Security

Get insight into how skilled adversaries could establish network access and put sensitive systems and data at risk.

AI/ML Security Assessment

Fortify the security of rapidly evolving AI/ML applications, models, and supporting infrastructures.

Compliance & Regulations

Satisfy governance, risk, and compliance programs with our testing services.

Assessments for Our Partners

We're proud to work with Google, Facebook, and Amazon to increase security in their partner ecosystems.

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Discover new offensive security resources, ranging from reports and eBooks to slide decks from speaking gigs.

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Exploit for Fortinet CVE-2022-42475
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Learn more about our research and some of the most popular open-source security tools. Check them out here!

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Assessments for Our Partners

We're proud to work with Google, Facebook, and Amazon to increase the security of their partner ecosystems.

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Company Overview

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Starting your offensive security journey? Check out our internships and educational programs.

Bishop Fox Mexico

¡Celebramos! Bishop Fox is now in Mexico. Learn more about our expansion.

Meet the Author

Sandeep Singh Co-Founder & CTO at ProjectDiscovery.io

Sandeep Singh is an application security enthusiast with nearly 10 years of experience. He actively participated in bug bounty programs that led him to secure Top 3 positions at HackerOne. Sandeep worked as a Security Analyst at HackerOne, where he triaged reports from web and mobile domains.

In 2019, Sandeep co-founded ProjectDiscovery.io and currently serves as the organizations' Chief Technology Officer. ProjectDiscovery is a cloud based reconnaissance and continuous monitoring platform that automates the entire process of recon and provides the data in an organized and managed manner.

Posts from Sandeep Singh

Apr 05, 2022

Nuclei: Packing a Punch with Vulnerability Scanning

Resources from Sandeep Singh

Webcast

The Mind Behind Nuclei, Demo with Sandeep Singh

Join co-founder of ProjectDiscovery, Sandeep Singh, for a demo of the new Nuclei tool.

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Webcast

Tool Talk: Nuclei

In our third edition of the Tool Talk series, we dive into the open-source tool Nuclei, a fast and customizable vulnerability scanner based on simple YAML-based DSL.

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Video

Bishop Fox Live at DEF CON 30 featuring Sandeep Singh

In this DEF CON 30 interview from the Bishop Fox livestream, ProjectDiscovery co-founder and Nuclei creator Sandeep Singh (Geekboy) shares some thoughts about the open source community, his company, and more.

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