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22 posts

Sharing knowledge outward - guides, frameworks, advocacy

Casey Ellis on stage at SOURCE Boston 2014, next to a slide asking "So how do you get more eyes on security bugs?"
Security

The Amended Linus's Law

Marcus Hutchins says LLMs just killed "many eyes make all bugs shallow." He's half-right. Linus's Law was never wrong, it was incomplete: the missing variable is incentive, and AI just gave it teeth on both sides.…

13 Jul 2026 · 5 min read
Security

Slopdemic, Not Vulnpocalypse (Yet)

I joined Sherrod DeGrippo on the Microsoft Threat Intelligence Podcast this week to talk about how AI is reshaping vulnerability research, disclosure, and patching.…

05 Jul 2026 · 2 min read
Security

Spicy Takes from my Aikido Security Podcast

Nine takes from my RSAC conversation with Mackenzie Jackson on Aikido's Secure Disclosure podcast — on bug bounty, AI slop, hack-back, vibe coding, and why the internet still working is a minor miracle.…

24 Apr 2026 · 5 min read
Thinking

Founders Helping Founders: When Known Vulnerabilities are Life or Death

On today’s episode, Jon Sakoda speaks with Casey on the early economics of paying people to hack companies, criminal creativity, and why founders need to fix their known vulnerabilities.…

13 Aug 2025 · 2 min read
Security

Bug Bounties, The Wanted Poster For Ethical Hackers — Future Secured Episode 35

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.…

05 May 2025 · 4 min read
Security

NEBULA:FOG:PRIME – AI x Security Panel Discussion

It was an privilege to participate on this panel at the NEBULA:FOG:PRIME AI x Security Hackathon event on the 25th of January.…

13 Feb 2025 · 1 min read
Teach

AI security: Tool, Target, Threat

The Tool/Target/Threat taxonomy for AI security — a shared vocabulary for the three orientations every conversation collapses without, built during EO 14110.…

04 Apr 2024 · 4 min read
Security

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.…

24 Aug 2023 · 2 min read
Thinking

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.…

22 Jun 2023 · 1 min read
Security

9 Must-See Talks at #hackersummercamp 2022

Here's a list of the talks that I'm going to get myself along to at Blackhat and DEF CON this year, and why...…

04 Aug 2022 · 3 min read
Security

Digital and Personal Self-Care at #hackersummersamp — "New Normalish" Edition

I usually write a piece for first-timers and newbies on how to get the most out of Hacker Summer Camp and how to stay safe digitally and physically. This tradition began in the early days of Bugcrowd, when DEF CON was part of new-hire induction.…

28 Jul 2022 · 6 min read
Security

[TRANSCRIPT] Threats that may have gone unnoticed by organizations during the pandemic

Casey Ellis, the founder, chairman and CTO of Bugcrowd, told SC Media Senior Reporter Joe Uchill that companies should think about the various threat scenarios that emerged over the last year that they may have missed as employees return to the office environment.…

20 Aug 2021 · 2 min read