Security is difficult to handle in multi-privileged group communications, because group users have multiple access privileges when subscribing different data streams.

多权限组播通信存在多个数据流且组播组中用户权限因获得数据流的不同而不同，其安全问题较难处理。

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Currently, the major sub-areas of security research include secure routing; secure group communications; intrusion detection, authentication and group key management etc.

目前，移动自组网络安全技术较为集中的研究领域包括安全路由技术、安全组通信技术、认证技术、入侵检测以及密钥管理技术等。

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Hitting one of Blackberry's key markets in the British Isles, its new smartphone platform (and the Balance software that divides work and personal profiles on the Z10) hasn't passed the security rigors of the UK's Communications Electronics Security Group.

ENGADGET

The FCC panel, officially known as "working group 11" of the FCC's Communications Security, Reliability and Interoperability Council III, lacks regulatory authority.

WSJ: Internet Providers Persuade FCC Panel Against Cybersecurity Recommendations

He has sat on the boards of numerous industry organizations including the GSM Association (GSMA), the CDMA Development Group (CDG), and as a member of the Federal Communications Commission Technical Advisory Committee (TAC) and Communications Security Reliability and Interoperability Council (CSRIC).

ENGADGET: BlackBerry adds ex-Verizon, Sony Ericsson chiefs to its board of directors