hacker/hustler. chairman/founder/cto @bugcrowd and cofounder @disclose_io. husband, dad, musician, believer. pioneer of crowdsourced security as-a-service.
Security
Crowdsourced security empowers ethical hackers to protect digital assets, reshaping cybersecurity. Casey Ellis encourages entrepreneurs to lead with resilience, delegate wisely, prioritize health, and embrace innovation amid chaos for lasting impact and scalable success.
Security
Alfred Hobbs: The OG bug bounty hunter who cracked England’s ‘unpick-able’ locks. His breaker mindset exposed flaws, sparked innovation, and proved no system is perfect.
Security
It was an privilege to participate on this panel at the NEBULA:FOG:PRIME AI x Security Hackathon event on the 25th of January.
Security
It's that time of year again... Here are a few trends that I see making their presence felt in 2025 - These are a work in progress, and I might expand on a few of these: 1. Peacetime cyber vs. wartime cyber: 10 years from now, we'
Security
What's the deal with Volt Typhoon, Salt Typhoon, and Flax Typhoon - and what do we need to do?
Security
Synopsis In this episode of Resilient Cyber Chris Hughes chats with Cyber industry veterans and long-time leaders Wendy Nather and Casey Ellis about systemic cyber struggles, issues that still plague us over the years, and some of the economic incentives at play (or not) when it comes to cybersecurity. Casey
Personal
It’s been just over three weeks since I randomly “let the Internet know” that I was heading in for unexpected heart surgery...
Policy
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.
Security
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.
Personal
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.
Policy
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.
Security
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.