Author

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.

Security

A message to folks providing "free testing" at the moment

TLDR: If you’re performing any active, unsanctioned testing on healthcare systems: Please stop it. Don’t make their job any harder than it is right now.

By Casey Ellis · 28 Mar 2020
Security

COVID-19/Coronavirus — What are the bad guys up to?

As expected, the covid19 pandemic has out brought some of the Internet’s worst. I’ve been working with several groups to information share and fight back on this stuff, including the COVID-19 CTI Group.

By Casey Ellis · 28 Mar 2020
Security

Changes

You know that awkward thing at the moment when you see someone and go to shake their hand or hug them, then pull away… and then feel like a jerk because of the implied so

By Casey Ellis · 23 Mar 2020
Security

The importance of delivering well

In general, people like to be think they have the ability to assess risk… you see it in kids jumping over puddles, you see it in adults with the stock market. Society loo

By Casey Ellis · 23 Mar 2020
Security

On #stopthespread and school closures

On the decision to keep schools open in Australia yesterday: It’s not that kids don’t catch covid. It seems that everyone catches covid. * According to the Australian

By Casey Ellis · 22 Mar 2020
Security

Tools for the WFH apocalypse

Well… It’s been an interesting couple of weeks. Viv, the kids, and I decided to bug out back to Australia last Thursday to care for our parents while the COVID-19 situat

By Casey Ellis · 20 Mar 2020
Building

My moves for #rsac2020 & #bsidessf week

Deep breaths, because here we go again!!! The full list of Bugcrowd events can be found here… We’ve got a lot on this week, so check it out, brush up your calendars, and

By Casey Ellis · 22 Feb 2020
Policy

Hacking Democracy On Securing an Election (Shmoocon 2020)

Democracy is the cornerstone of America’s Constitution, identity, and ideology, and this foundation was shaken during the 2016 Presidential Election.

By Casey Ellis · 01 Feb 2020
Building

Unity

Unity in a mediocre team > Division in a rock-star team. Driving unity through clear vision, careful hiring, and genuine care of a team should be the highest priority

By Casey Ellis · 23 Jan 2020
Personal

Treasure

For where your treasure is, there will your heart be also. – Matthew 6:21 I believe in this as a universal truth. It’s a bit like gravity - You can argue and disagree wi

By Casey Ellis · 10 Jan 2020
Building

Founder motivations

A founder or category creator is driven by the delta between the full potential they see in the original concept, and where ever the business is up to from an execution

By Casey Ellis · 08 Jan 2020