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Casey Ellis

Casey Ellis

Hacker, founder, advisor, and pioneer of crowdsourced security. Founder of Bugcrowd, co-founder of disclose.io, principal of Tall Poppy Group. Board member at SRLDF.

Happy 6th Birthday @bugcrowd

6 years ago today I got off a plane armed with a bunch of notes. I’d spent a week meeting with pen-testing

01 Sep 2018 · 1 min read
Security

Making noise

“We had a problem with a few needles, and as an industry decided that the best thing to do was to drop a haystack

31 Aug 2018 · 1 min read
Security

What's in a name? Defining "hacker" in 2018

If you do a Google Image Search against the word hacker, you’ll get images of scary-looking balaclava-clad cybercriminals hunched over a

25 Jun 2018 · 2 min read
leadership

On insight, responsibility, and ownership

Recognizing a problem qualifies you to be a part of the solution. Refusing to be a part of the solution disqualifies you from complaining

02 Jan 2018 · 1 min read
leadership

Living intentionally

Happy New Year! Pretty much everyone I’ve spoken agrees on the same thing: 2017 was a turbulent, change-filled year packed with as

01 Jan 2018 · 1 min read
vulnerability-disclosure

Thoughts on the vault7 CIA/Wikileaks disclosures

Wikileaks’ release of thousands of confidential CIA documents today is yet another demonstration of our just how vulnerable the cybersecurity domain is. Unless we

07 Mar 2017 · 2 min read
Security

My cybersecurity predictions for 2017

If 2016 did anything for cybersecurity, it was to prove that truth can end up wayyyyyyy stranger than fiction (where fiction, of course, are

19 Dec 2016 · 1 min read
Building

How to disrupt a sleepy incumbent

When building a product or company that’s designed to disrupt a sleepy incumbent there are four phases of typical interaction you’ll have with your future competition.

23 Jun 2016 · 1 min read
Security

Solve 99% of Your Infosec Problems with this One Weird Trick!

99% of good infosec is equivalent to remembering to wash your hands after you use the bathroom. As an industry, we should be working to make that easier.

31 May 2016 · 1 min read
leadership

The three levels of input

A great tip one of our board members gave me a while back was that, as leadership and influence grow, it becomes increasingly important to make sure your team knows the type of input you’re giving them.

31 May 2016 · 1 min read
Thinking

People are awesome...

…and I’m not just talking about those kick-ass Youtube videos that pop up each year. I have a core belief that people

22 Apr 2016 · 1 min read
Building

What a day! (Bugcrowd Series B)

So, Bugcrowd announced some pretty big news today… We closed our Series B financing of $15M, announced some amazing new partners in Salesforce and

20 Apr 2016 · 1 min read