Bishop Fox Offensive Security Tech Blog

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.

Ransomware Simulations

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

The Offensive Security Guide to Ransomware Readiness

Develop a roadmap to get your security and extended teams aligned on ransomware readiness.

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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 Tech

An Introduction to Bluetooth Security

Check out our latest blog to learn about Bluetooth Low Energy (BLE) - the BLE stack, how to pen test against it, and why you should get familiar with this technology.

Purple trailing cloud with teal and white title: Using CloudTrail to Pivot to AWS Accounts.

Tech

Jun 07, 2022

Using CloudTrail to Pivot to AWS Accounts

By Gerben Kleijn

Screenshots of ripgen security tool doing subdomains discovery on white laptop display.

Tech

Jun 01, 2022

ripgen: Taking the Guesswork Out of Subdomain Discovery

By Justin Rhinehart, Joe Sechman

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Bishop Fox blog on the battleground of blockchain illustrated by multiple purple and teal blocks with cryptocurrency bitcoin floating inside some of the cubes on a dark purple background.

Tech

May 24, 2022

Call of DeFi: The Battleground of Blockchain

By Dylan Dubief

Ruby security tool tested on Rails apps represented by a red precious stone surrounded by code.

Tech

May 17, 2022

Ruby Vulnerabilities: Exploiting Dangerous Open, Send and Deserialization Operations

By Ben Lincoln

Bishop Fox's favorite nine fuzzing tools with purple fuzzy monster

Tech

Apr 19, 2022

Our Top 9 Favorite Fuzzers

By Britt Kemp

Nuclei tool template page displayed on white laptop

Tech

Apr 05, 2022

Nuclei: Packing a Punch with Vulnerability Scanning

By Matt Thoreson, David Bravo, Zach Zeitlin, Sandeep Singh

Tech

Mar 22, 2022

Reports from the Field: Part 3

By Wes Hutcherson

Tech

Mar 08, 2022

Reports from the Field: Part 2

By Wes Hutcherson

Wolf's claws scratching across the screen

Tech

Mar 01, 2022

Reports from the Field: Part 1

By Wes Hutcherson

Bishop Fox super hero with Laser Beam Eyes with Secret pixelated text message

Tech

Feb 15, 2022

Never, Ever, Ever Use Pixelation for Redacting Text

By Dan Petro

Illustration of fox sitting at desk on computer

Tech

Jan 13, 2022

Creating an Exploit: SolarWinds Vulnerability CVE-2021-35211

By Carl Livitt

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