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A modern approach to cybersecurity that combines automated testing tools with human expertise to identify all your vulnerabilities.

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

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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.

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

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Scoring high in the GigaOm Radar for the fourth year in a row!

Get an overview of the Attack Surface Management (ASM) market — and learn why Bishop Fox was named a Fast Mover by the analysts at GigaOm.

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Red Teaming: Is your security program ready for the ultimate test?

Learn why traditional penetration testing fails on LLMs. Join Bishop Fox’s Brian D. for a deep dive into adversarial prompt exploitation, social engineering, and real-world AI security techniques. Rethink how you test and secure today’s most powerful models.

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Explore offensive security resources, from detailed reports and step-by-step guides to expert-led webcasts and live sessions, all designed to keep you informed and ahead.

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LLM-Assisted Vulnerability Research

Explore Bishop Fox's experimental research into applying Large Language Models to vulnerability research and patch diffing workflows.

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We’ve been in the offensive security space for almost two decades, and we’re proud to be home to the innovators, engineers, and exploit writers behind some of the most widely used and respected security tools, techniques, and research in the industry.

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Featured Blog

Vulnerability Discovery with LLM-Powered Patch Diffing

Read our most recent research to see how LLMs can assist in scaling patch diffing workflows, saving valuable time in a crucial race against attackers.

Tech Turkey with microchip looking feathers

Industry

Nov 23, 2021

The Pen Testing Tools We’re Thankful for in 2021

By Britt Kemp

Eyeballer 2.0 new updates and release announcement

Technical

Nov 15, 2021

Eyeballer 2.0 Web Interface and Other New Features

By Dan Petro

Purple pupil reflecting code looking for threat to security.

Industry

Nov 08, 2021

Continuous Security: Threat Modeling in DevSecOps

By Chris Bush

Different types of monster arms reaching out

Industry

Oct 29, 2021

9 OSINT Tools For Your Reconnaissance Needs

By Britt Kemp

Technical

Oct 21, 2021

A Snapshot of CAST in Action: Automating API Token Testing

By Zach Zeitlin

Witch under full moon looking into magic ball

Industry

Oct 12, 2021

The Code Reveals All: Why Secure Code Review Should be an Integral Part of DevSecOps

By Chris Bush

Illustration of 3 documents next to each other

Industry

Oct 06, 2021

Behind The CTF Guide “Breaking & Entering: A Pocket Guide for Friendly Remote Admins"

By Andy Doering

Technical

Sep 28, 2021

An Intro to Fuzzing (AKA Fuzz Testing)

By Matt Keeley

Technical

Sep 23, 2021

IAM Vulnerable - Assessing the AWS Assessment Tools

By Seth Art

Industry

Sep 21, 2021

A Review of the 2021 CISA and MITRE Vulnerability Lists

By Britt Kemp

I am vulnerable name tag. IAM Vulnerable - An AWS IAM Privilege Escalation Playground.

Technical

Sep 09, 2021

IAM Vulnerable - An AWS IAM Privilege Escalation Playground

By Seth Art

Welcome to fabulous def con recap vegas style sign

Industry

Aug 19, 2021

DEF CON 29 Recap: 9 Talks You May Have Missed

By Britt Kemp

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