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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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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.

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

Advisory

Aug 30, 2018

CremeCRM 1.6.12 - Multiple Vulnerabilities

By Florian Nivette

Illustration of a cloud with a lock surrounded by electronics

Technical

Aug 28, 2018

An Introduction to AWS Cloud Security

By Gerben Kleijn

Person typing on laptop with post it next to them with their password on it

Industry

Aug 16, 2018

Password Security: The Good, the Bad, and the "Never Should Have Happened"

By Candis Orr

Industry

Jul 31, 2018

A Primer to Red Teaming

By MJ Keith

Man with hat on standing in front of trees and mountains

Industry

Jul 20, 2018

My Path to Security - How Matt Frost Got Into Cybersecurity

By Bishop Fox

Illustration of computer screen with burglars stealing information

Industry

Jul 16, 2018

How 'Small' Security Errors Lead to a Security Breach

By Alex DeFreese

Hand holding white card with amazon web services printed on it

Technical

Jul 10, 2018

A Guide to AWS S3 Buckets Security

By Gerben Kleijn

Hands holding a tablet phone left coffee right

Industry

Jun 30, 2018

WPA3 Is a Major Missed Opportunity: Here's Why

By Dan Petro

Technical

Jun 26, 2018

Why You Need IDontSpeakSSL in Your Life

By Florian Nivette

Up close photo of Kelly Albrink red hair blue eyes

Industry

Jun 15, 2018

My Path to Security - How Kelly Albrink Got Into Security

By Kelly Albrink

Technical

Jun 11, 2018

Server-Side Spreadsheet Injection - Formula Injection to Remote Code Execution

By Jake Miller

Advisory

Jun 06, 2018

Jirafeau Version 3.3.0 – Multiple Vulnerabilities

By Florian Nivette

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