Medium

caseyjohnellis

caseyjohnellis

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Feb 8

For the Love of the Game: DistrictCon’s Year 1 Junkyard

Notes from judging DistrictCon’s Junkyard Year 1 — a Pwn2Own-style exploit contest targeting end-of-life devices. Disco balls, DNA…

For the Love of the Game: DistrictCon’s Year 1 Junkyard

caseyjohnellis

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Mar 9, 2025

The Original Bug Bounty: Alfred Hobbs and the Great Lock Controversy of 1851

There’s a recurring theme in the world of security, whether physical or digital: the assumption of invulnerability. It’s a dangerous…

The Original Bug Bounty: Alfred Hobbs and the Great Lock Controversy of 1851

caseyjohnellis

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Jul 6, 2021

[TRANSCRIPT] IT Visionaries Podcast with Malcolm Harkness

caseyjohnellis

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Jun 27, 2021

The Bar Fight Risk Taxonomy

caseyjohnellis

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May 23, 2021

My “office” setup — Part 2

caseyjohnellis

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May 8, 2021

On Project Zero’s 90+30 vulnerability disclosure policy changes

I was asked a few questions by Lindsay O’Donnell of the awesome Decipher Bureau regarding Google Project Zero’s changes to their default…

On Project Zero’s 90+30 vulnerability disclosure policy changes

caseyjohnellis

·

Mar 28, 2021

My “office” setup

tl;dr: If you want the tech list, jump straight to the middle. The front is about how choices were made and what I was optimizing for, and…

My “office” setup

caseyjohnellis

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Mar 8, 2021

NIST: Vulnerability Disclosure as a Requirement for Every Organization

The NIST Cybersecurity Framework is a set of policies meant to help the private sector in strengthening their cybersecurity readiness and…

NIST: Vulnerability Disclosure as a Requirement for Every Organization

caseyjohnellis

·

Oct 7, 2020

NIST SP 800–53 R5 adds Vulnerability Disclosure Programs to Federal Security and Privacy Controls |…

What are the changes?

NIST SP 800–53 R5 adds Vulnerability Disclosure Programs to Federal Security and Privacy Controls |…

caseyjohnellis

·

Sep 30, 2020

Information Asymmetry and the 1950s Nuclear Bounty

The idea of a bounty (or, more specifically, payment-for-success incentives designed to reduce information asymmetry) predate…

Information Asymmetry and the 1950s Nuclear Bounty

caseyjohnellis

caseyjohnellis

troublemaker & troubleshooter | founder @bugcrowd @disclose_io | pioneer of #bugbounty as-a-service | opinions mine | #hacktheplanet

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