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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.

Building

On Cogs and Levers (strength in diversity)

A dear friend of mine was a linesman with a national telco for 17 years. He drove all around Australia pulling copper. He’s

16 Mar 2015 · 1 min read
Building

8,000 Miles + 1 Wife + 2 Kids + 1 Startup = ???

I remember when I first landed in Silicon Valley in April of 2013. Bugcrowd was 3 months old, and we’d seen enough early

15 Mar 2015 · 3 min read
Thinking

Humility (n)

I know am strong, and also know where I’m weak makes me even stronger.

19 Feb 2015 · 1 min read
Building

Sales and Marketing — the good, the bad, and the Ugly

The good: * Introducing someone to something that genuinely serves a need that they have (marketing) and having them accept it on terms that are

18 Feb 2015 · 1 min read
vulnerability-disclosure

disclose.io — Driving safety, simplicity, and standardization in vulnerability disclosure.

disclose.io is a collaborative and vendor-agnostic project to standardize best practices around safe harbour for good-faith security research. The project expands

22 Jul 2014 · 1 min read
Building

Some Thoughts from pushstart’s Mentor Connect

Kim Heras and the Pushstart crew put on another Mentor Live event last night. Think speed dating for start-ups and mentors. I was

15 Dec 2012 · 3 min read
Hot Takes

iPhone 5 First Impressions

My wife and I were among the hordes who queued up for an iPhone 5 this morning. First impressions on iPhone 5: * Fast. Like

20 Oct 2012 · 2 min read
Building

Your Idea Sucks

tl;dr: I love your idea. I want to hear about your idea. Please, do not interpret this post as me stifling your idea.

24 Sep 2012 · 2 min read
Hot Takes

iPhone 5 First Impressions

My wife and I were among the hordes who queued up for an iPhone 5 this morning. First impressions on iPhone 5: * Fast. Like

20 Sep 2012 · 2 min read
Security

Bugcrowd — the Premier Crowdsourced Cybersecurity platform.

Bugcrowd is the premiere crowdsourced security platform. More enterprise organizations trust Bugcrowd’s Crowdcontrol platform to manage their bug bounty, vulnerability disclosure, and next-

31 Aug 2012 · 1 min read
Security

Sms Scams – What Can Be done?

First things first… If you receive a spam SMS you should forward the message to the Australian Media and Communications Authority Spam SMS service

26 Jun 2012 · 2 min read
Security

Sms Scams — What Can Be done?

First things first… If you receive a spam SMS you should forward the message to the Australian Media and Communications Authority Spam SMS service

16 Jun 2012 · 2 min read