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Introducing Cosmos

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

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Cosmos Overview

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

Cosmos Attack Surface Management

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

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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.

A Ponemon Institute Report

The State of Offensive Security

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

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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.

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.

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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 Blog

Broken Hill: A Productionized Greedy Coordinate Gradient Attack Tool for Use Against Large Language Models

Walkthrough the GCG attack at a high level and be introduced to Broken Hill – Bishop Fox’s newly-released tool that can perform the GCG attack against a variety of popular LLMs.

Gauge showing high severity reading. CATIE Web - Version 20.04.0.

Advisory

Oct 10, 2017

Windows DNS Client – Memory Corruption Vulnerabilities

By Nick Freeman

Illustration of a 4 paned window A Bug Has No Name: Multiple Heap Buffer Overflows In the Windows DNS Client

Tech

Oct 10, 2017

A Bug Has No Name: Multiple Heap Buffer Overflows In the Windows DNS Client

By Nick Freeman

Industry

Sep 15, 2017

My Life at Bishop Fox

By Alex Lynch

Tech

Sep 06, 2017

Is CORS Becoming Obsolete?

By Tim Sapio

Pop up allow Sarahah to access your contacts Hot New ‘Anonymous’ Chat App Hijacks Millions of Contact Data

Tech

Aug 28, 2017

Hot New ‘Anonymous’ Chat App Hijacks Millions of Contact Data

By Zach Julian

Mårten Mickos black shirt against black white painted wall

Industry

Aug 23, 2017

Bug Bounties & Beyond: An Interview With HackerOne's Mårten Mickos

By Vincent Liu

Blog post on Drone security defense measures showing a drone caught into chicken wire and stuck to the ground.

Tech

Aug 03, 2017

Breaking Drone Defenses: Using Chicken Wire to Defeat Net Projectile-Based Products

By Francis Brown

Tech

Jun 23, 2017

How I Built An XSS Worm On Atmail

By Zach Julian

Advisory

Jun 23, 2017

atmail 7 Stored XSS Vulnerability

By Zach Julian

Industry

May 30, 2017

What the Newly Drafted NIST Password Guidelines Mean to You

By Nathan Elendt

Illustration of man in tie at office desk

Tech

May 23, 2017

How We Can Stop Email Spoofing

By Alex DeFreese

Advisory

May 12, 2017

SolarWinds Log & Event Manager - Improper Access Control

By Baker Hamilton

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