caseyjohnellis

caseyjohnellis

Sydney, Australia
hacker/hustler. chairman/founder/cto @bugcrowd and cofounder @disclose_io. husband, dad, musician, believer. pioneer of crowdsourced security as-a-service.
13
Jun

Builders and Breakers: Partnering for Secure Elections

In September 2023, the IT-ISAC Elections Industry SIG launched a first-of-its kind pilot program in which election technology providers gave security researchers access to modern voting technology under the principles of Coordinated Vulnerability Disclosure.
5 min read
13
Jun

Bugs on a Plane: Implementing a Bug Bounty in an Airline IT/OT Environment

Bug bounty programs are a valuable tool for security efforts but only if they are correctly applied. This is particularly true for airlines who have to secure both the IT business systems and OT aircraft systems that enable the business to operate safely.
6 min read
18
Sep

My office setup - Part 3 (US edition)

Optimizing my home office space for a work-from-home/hybrid setup became a bit of a hobby during the pandemic, and since returning to the USA from Australia in 2021 I've essentially replicated the successful aspects of the Sydney setup, with a few modifications.
3 min read
17
Sep
DEF CON 31 Policy - All Your Vulns Are Belong to Terms and Conditions

DEF CON 31 Policy - All Your Vulns Are Belong to Terms and Conditions

DEF CON 31 Policy - All Your Vulns Are Belong to Terms and Conditions - DEF CON panel featuring David Rogers, Katie Trimble-Noble, Harley Geiger, and myself. Recorded on September 15, 2023 at DEF CON 31 in Las Vegas, Nevada.
34 min read
24
Aug

The RSnake Show!

Recording this was a tonne of fun and we cover a LOT of ground - There's a general theme of system-level thinking, vulnerability and transparency, and the personal pursuit of potential through things like entrepreneurship. It's very much a backstory and #thoughtops conversation.
2 min read
08
Aug

My #hackersummercamp 2023 moves

Here are my moves for #hackersummercamp 2023...
1 min read
22
Jun

KEYNOTE: Release the Hounds, Part 2

Casey delivers "Release the Hounds, Part 2 - 11 Years Is A Long-Ass Time" as the keynote for BSides Knoxville on May 12th, 2023. This talk covers the history of vulnerability disclosure and crowdsourced security testing platforms, and dives into cybersecurity entrepreneurship.
01
Sep
Bugcrowd: 10 Years On, and Still Just Getting Started

Bugcrowd: 10 Years On, and Still Just Getting Started

On the 1st of September 2012 during a flight from Melbourne to Sydney, a series of ideas I’d been working on for a year or more coalesced with a bunch of conversations I’d just had, the lightbulb went off, and Bugcrowd was born.
4 min read
21
Aug
#HSC2022 in Pics

#HSC2022 in Pics

A small selection of selfies and pics from #HSC2022. It was a good homecoming.
5 min read
20
Aug
Where the bloody hell were you - The Great 2020 COVID Bug-In

Where the bloody hell were you - The Great 2020 COVID Bug-In

During Hacker Summer Camp, I was asked "where do you, uh, live now and stuff" a lot. Forgive this slightly indulgent post, but I wanted to blog a little bit of our story, and some of the thinking that went into executing our trans-pacific COVID bug-in back in 2020.
9 min read