THANK YOU for attending the Defensive Cyber Operations Symposium in Washington D.C. this year. Please Click Here to view information on the 2017 Symposium.

"Do you work in the cyber area? Then I have some questions for you. How do we do 100% assured identity and build networks that can respond to and overcome our adversaries' attacks? How do we design the next level of encryption for security? How do we design for the next version of the Internet? These are just a few of the questions that I hope you will help us answer as part of our discussions at the 2016 Defensive Cyber Operations Symposium." - LTG Alan R. Lynn

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Housing Information



Headquarters Hotel

Marriott Marquis Washington, DC
901 Massachusetts Avenue NW
Washington, District Of Columbia 20001 USA


Cancelation Policy:

All reservation changes must be made online or submitted in writing to via the Housing Center by 12:00pm ET, Wednesday, April 13, 2016. After 12:00pm ET, Wednesday, April 13, 2016 you must contact the hotel directly. All cancellations must be received three days (72 hours) prior to your scheduled check-in date. If you do not cancel your reservation, you will be assessed a fee equal to one night's room and tax. Please note: If you do not arrive on your confirmed arrival date, your room will not be held for the remainder of your stay; and you will be assessed a fee equal to one night's room and tax. Please be sure to verify your arrival date. Government ID is required at check-in for Government-rated rooms. Government rates are based on the prevailing Government per diem rate and are subject to change.


Housing Center Information:

Defensive Cyber Operations Symposium Housing Center
Phone: 888-273-5706 or 703-449-6418
Fax: 703-574-8332