Tim Sapio

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, & Frameworks

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.

Bulletins & Advisories

Explore the latest security bulletins and advisories released by our team.

Exploit for Fortinet CVE-2022-42475
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Blog

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Bishop Fox Labs

Learn more about our research and some of the most popular open-source security tools. Check them out here!

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Partner Program Overview

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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.

We're Hiring!

Want to Work with the Best Minds in Offensive Security?

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Company Overview

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Intern & Educational Programs

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

Tim Sapio Bishop Fox Alumnus

Tim Sapio (OSCP) is a Bishop Fox Alumnus who was a Senior Security Analyst at Bishop Fox, where he focused on application penetration testing, network penetration testing, and secure code review. He has extensive experience running bug bounty programs.

Posts from Tim Sapio

Sep 06, 2017

Is CORS Becoming Obsolete?

Apr 10, 2014

Examining The Impact Of Heartbleed

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