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About Us

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Introducing Cosmos

Winner of SC Media's Best Emerging Technology Award

See how continuous testing and attack surface management can help you defend forward.

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Platform Overview

Meet Cosmos (formerly CAST): the continuous offensive security platform designed to provide proactive defense.

Attack Surface Management

Get unmatched visibility into your changing external attack surface with continuous discovery and mapping.

Exposure Identification

Eliminate noise and discover critical exposures, including steppingstones to more complex attack chains.

Continuous Attack Emulation

Emulate real-world attacks to understand exposures and post-exploitation pathways, then operationalize findings to close attack windows.

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.

Assessments for Our Partners

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

Featured Resource

Breaking & Entering: A Pocket Guide for Friendly Remote Admins

By Andy Doering

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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.

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Blog

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

Research & Tools

We are the innovators behind some of the most popular open source security tools. Check them out here!

Bishop Fox Labs

Learn more about our research — and our commitment to openly sharing information.

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.

Featured Industry

The Pen Testing Tools We’re Thankful for in 2021

Searching for a pen testing tool to put to use during a security engagement? Check out our annual list of penetration testing tools our consultants have found helpful during this past year.

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Aug 19, 2020

20 Tips on How to Make the Most of Your Pen Test

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Find Out First

Be first to learn about latest tools, advisories, and findings.

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Aug 18, 2020

8 Recommended Talks From DEF CON 28

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Is This IoT App Safe to Drink?

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Aug 05, 2020

A Look Forward to the DEF CON Red Team Village CTF

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Jul 29, 2020

Are You Giving Out Cheat Codes if You Whitelist Pen Testers?

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Jul 23, 2020

An Updated Guide to Do-It-Yourself Network Segmentation

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Delivering Peace of Mind About New Citrix Emerging Threat

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Jul 08, 2020

SkillBridge Paves the Way for Service Members

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Jun 25, 2020

Stop Treating Breaches Like Natural Disasters: A New Mindset for Application Security

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A Guide to Digital Reconnaissance

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