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Dan Tentler

Advisor Greater San Diego Area, US

Founder, Phobos Group

Founder, Phobos Group

1 vouches

Involved In


Carbon Dynamics
BarCamp San Diego


Co-founder, Chief Technologist Carbon Dynamics April 2014 - present
Penetration Tester / Founder / CTO AtenLabs September 2008 - present
Penetration Tester / Network Security Consultant Rapid7 September 2013 - March 2014
Information Security Engineer, Red Team Twitter September 2012 - September 2013
Founder / Project Manager BarCamp San Diego April 2007 - January 2013
Consultant BT Global Services June 2011 - June 2012
Information Security Engineer Sempra Energy June 2011 - January 2012
Penetration Tester Critical Assets March 2011 - June 2011
Information Security Analyst (contract) Intuit August 2010 - February 2011
Systems Administrator by Contract DigiSynd August 2009 - September 2009
Linux Systems Administrator M5 computer security May 2009 - July 2009
Systems Architect (by contract) Warner Bros. Records June 2008 - June 2009
Systems Architect (by contract) Intuit June 2008 - September 2008
Co-Owner The Aten Syndicate October 2006 - September 2008
Production Support Engineer FICO April 2007 - April 2008
Systems Engineer Interactivate April 2006 - March 2007
Owner January 2005 - October 2006
Systems Engineer Digital Integration Group September 2005 - March 2006
Systems Engineer Anonymizer September 2004 - September 2005
Technical Support Specialist (Tier 2) Websense July 2001 - May 2004


Mesa College Japanese 2002 - 2002
Palomar Computer Science 1998 - 1999

Interested In

Markets of Interest
  • • Cloud Services
  • • Enterprise Software
  • • Financial Services
  • • Healthcare
  • • Local
  • • Mobile
  • • Productivity Tools
  • • Robotics
  • • Small Businesses
  • • Smart Home
  • • Social Impact
  • • Transportation
  • • Medical Devices

You Should Know About Me

Key Accomplishments

I'm essentially a paid bad guy.
My company simulates what it's like to be on the receiving end of an attack, similar to Sony Pictures or Ashley Madison.
We'll make the bells and whistles fire on all of your defensive technology - just to make sure it works. We'll play cat and mouse with your blue team to make sure they know how to catch bad guys.

How I like to work with people
As an Advisor

We can tell you what not to do with technology, so that you stay out of hot water, and do not look like an easy target for attackers, skilled or otherwise.

Vouches Received

Vouches Given

Think Dan is awesome?
Vouch for them.

Justin Velthoen
They're my friends  •  QStock Inventory Product Manager, MSA Systems. Previously eCom Coordinator, Eldorado Stone.
Dan is brilliant in the field of InfoSec. I have used him in the past to validate our networks and security structures. His results were tim ... ely, backed up by data, and included recommendations for next actions. I would quickly recommend Dan to any entrepreneur to ensure that their environment is safe, secure, and ready for customers.