Bishop Fox

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

See Why We're the Leaders in Offensive Security

Explore Services

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.

A Ponemon Institute Report

The State of Offensive Security

Get the blueprint. Insights into how mature security organizations invest in offensive strategies.

Get the Report

Resource Center

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

Dive into our blog for insights and perspectives from our offensive security experts.

Bishop Fox Labs

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

Why Partner with Us?

Join Forces with the Leaders in Offensive Security

Independent Assessment by TAG Cyber

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Partner Program Overview

Learn about our partner programs and see how we can work together to provide best-in-class security offerings.

Find a Partner

Check out our awesome ecosystem of trusted partners to find the right solution for your needs.

Become a Partner

Explore partnership opportunities and apply to join forces with Bishop Fox.

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?

Be part of an elite team and work on projects that have a real impact.

Explore Openings

Company Overview

Get to know us. Learn about our roots and see why we're on a mission to improve security for all.

Events

Join us at an upcoming event or peruse our speaking engagements, past and present.

Newsroom

Read the latest articles, announcements, and press releases from Bishop Fox.

Want to get in touch? We're ready to connect.

Career Opportunities

We're hiring! Explore our open positions and discover why the Fox Den is a great place to build your career.

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

Bishop Fox

This represents research and content from the Bishop Fox team.

Posts from Bishop Fox

Jun 23, 2021

Our Position on the Digital Millennium Copyright Act (DMCA) and the Need to Safeguard Tools for Responsible Security Researchers

Jun 16, 2021

Why You Need Continuous Testing to Detect Emerging Threats and Discover the Unknowns

Jun 10, 2021

New Insights on Supply Chain and Ransomware Attacks From Our Chat With Alex Stamos and Charles Carmakal

Jan 28, 2021

Bishop Fox Presents at 2021 Virtual CactusCon 9

Jan 06, 2021

Building a Security Program That Scales

Dec 09, 2020

The Stolen FireEye Red Team Tools Are Mostly Open Source

Oct 14, 2020

Bishop Fox Fights for Election Security

Jun 04, 2020

Quantifying the Impact of Micro-Segmentation

Mar 04, 2020

From Emoji to Zero-Day: Latin Homoglyphs in Domains and Subdomains

Aug 06, 2019

How Bishop Fox Enables Wickr's Security Assurance

Aug 06, 2019

10 Must-See Talks at Black Hat and DEF CON

Mar 25, 2019

My Path to Security - How Christie Terrill Got Into Security

Jan 21, 2019

My Path to Security - How Tom Wilhelm Got Into Security

Oct 11, 2018

My Path to Security - How Gerben Kleijn Got Into Security

Jul 20, 2018

My Path to Security - How Matt Frost Got Into Cybersecurity

Mar 23, 2016

CA Single Sign-On Software Update: Stay Secure

Apr 27, 2015

Security Should Be Application-Specific

Mar 17, 2015

Beyond Security Requirements: Secure Requirements

Nov 01, 2013

An Introspection On Intro Security

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