News tagged with defense technology

Patented system better secures digitally stored data

(Phys.org) —Arizona State University computer scientist Gail-Joon Ahn has been granted a U.S. patent for a novel identity management system that helps protect personal identity information stored on digital devices.

May 21, 2013
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Hiding in plain sight

A couple years ago, researchers introduced a new material that they said could make any object invisible to both radar and the human eye. Invisibility cloaking would have a major impact on defense technology, they explained, ...

Mar 05, 2013
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Twitter says hackers compromise 250K accounts

Twitter confirmed Friday that it had become the latest victim in a number of high-profile cyber-attacks against media companies, saying that hackers may have gained access to information on 250,000 of its ...

Feb 02, 2013
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