Phil Zimmermann and Jon Callas to Spotlight Blackphone's Private and Encrypted Communications at Def Con

Blackphone to Host "From Dusk Til Con" Event; Limited Supply of Blackphones Available for Purchase at Conference

Aug 04, 2014, 09:00 ET from SGP Technologies SA

GENEVA, Aug. 4, 2014 /PRNewswire/ -- SGP Technologies SA, the Switzerland-based joint venture of Silent Circle and Geeksphone behind Blackphone, today announced that Blackphone luminaries, Jon Callas and Phil Zimmermann, will be participating in a series of speaking engagements at Def Con 22 at the Rio Hotel & Casino, August 7-10, 2014 in Las Vegas, NV. Additionally, the Blackphone team will host an arcade-themed event at "From Dusk Til Con" the evening of Friday, August 8.

Phil Zimmermann, President and Co-Founder of Silent Circle, will present his session on Friday, August 8, at 12:00pm Pacific time. He will discuss his role in founding Silent Circle, the development of Blackphone and his other ongoing projects. Phil will also autograph two Blackphones to be donated by SGP Technologies to the Electronic Frontier Foundation (EFF) and Hackers for Charity for auction at the conference.

Also on Friday, August 8, Jon Callas, Blackphone Co-Founder and board member and Silent Circle Co-Founder and CTO, will participate in the panel "Ephemeral Communications: Why and How?" at 4:00pm Pacific time, where he will discuss the increasing popularity of ephemeral communications applications. He will be joined by Ryan Lackey, founder of CryptoSeal, and Elissa Shevinsky, founder of Glimpse. Phil and Jon will also be joined by Dr. Dan Ford, SGP Technologies' newly appointed CSO, and Mike Kershaw, a.k.a. Dragorn, SGP Technologies' Chief Architect.

During Def Con, SGP Technologies will make a limited number of Blackphones available for purchase for $600 cash, a discount from the device's regular $629.00 online sale price. Blackphones will be sold exclusively from the SGP Technologies table in the Def Con vendor room on Friday and Saturday mornings. For more information on Blackphone's availability, feature-set and technical specifications, please visit or follow @Blackphone_ch on Twitter.

About SGP Technologies SA
SGP Technologies is the manufacturer of Blackphone, the best privacy oriented Android phone for personal and enterprise use. Formed as a joint between the internationally recognized secure communications provider, Silent Circle, and award-winning Spanish mobile device manufacturer, Geeksphone, SGP Technologies is based in Geneva, Switzerland, with major operations in Madrid and Washington, DC and staff in San Francisco, and cities throughout Europe, East Asia, and North America. For more information on Blackphone, please visit

Blackphone Press contacts:
W2 Communications (for US)
Dex Polizzi
Tel: +1 703-877-8106

Coonic (for EU/Spain)
Ainoa Brenes
Tel: +34 916 397 700

Logo -

SOURCE SGP Technologies SA