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

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 on 0429 999 888. I rec

By Casey Ellis · 26 Jun 2012
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 on 0429 999 888. I re

By Casey Ellis · 16 Jun 2012
Security

mysqlcheck.com – in Ur mysql, Checking ur… mysql.

Check out this website by Mark Wickendam. Let it be said first up that I think this site is awesome. I lol’d hard, visited it again, lol’d hard again, and so on. As o

By Casey Ellis · 11 Jun 2012
Security

Why the Smb Is Most at Risk from ms12-010

There’s a lot of hubbub going around about the recent vulnerability from Microsoft. It’s called MS12-020 and it affects the Remote Desktop Protocol (a.k.a. RDP or Termina

By Casey Ellis · 18 Mar 2012
Security

Rdpcheck Checks Your Network for the New Rdp Vulnerability

We’ve created a tool at RDPCheck to help you test your exposure to an attack from the outside on Microsoft’s recent MS12-020 Windows Remote Desktop Protocol security flaw

By Casey Ellis · 05 Mar 2012
Building

Using Viral Landing Pages to Go from 0 to 1500 Leads in 7 Days for $15

I was approached with a simple brief… The client, a start-up rookie trying to make a break from his 9-to-5 as a builder, wanted to have some level of comfort that the i

By Casey Ellis · 28 Dec 2011
Hot Takes

Auction Sniping 101

This is a quick little how-to that will hopefully save a few people some pain. I’m going to presume you know what eBay is and how their auctions work. eBay auctions are

By Casey Ellis · 13 Dec 2011
dontgetpwned

The Golden Rule of Avoiding Fraud

This is a simple one that I told my mother-in-law the other day. It won’t protect you from everything, but it will greatly reduce your exposure. Don’t comply with an

By Casey Ellis · 05 Dec 2011
Building

Mike Montiero – f*** you. Pay me.

Excuse the profanity, but this is really worth watching. [2011/03 Mike Monteiro F*** You. Pay Me.](http://vimeo.com/22053820) from San Francisco Creative Mornings on

By Casey Ellis · 14 Nov 2011
Building

How to Kill a Startup — an Email I Should Have Sent 2 Years Ago

Sellerwise.net was my first real tech start-up. As a business it had a lot of potential – a genuine need in the market, lack of competition, a massive potential custome

By Casey Ellis · 18 Oct 2011
Building

Invention Is a flower, Innovation Is a Weed

“Here’s the difference between a visionary and an entrepreneur. Both have visions, which are a dime a dozen. But an entrepreneur has, in addition to visions, plans. In

By Casey Ellis · 17 Oct 2011