GSM Security Overview (part1) ppt

... or more BTSs setup, handover) for one or more BTSs Yuri Sherman Yuri Sherman GSM Security Overview GSM Security Overview (Part 1) (Part 1) Wireless telephone history Wireless telephone history ... Motorola. Motorola. First cellular net First cellular net Bahrein 1978 Bahrein 1978 GSM Overview GSM Overview Channels(2) Channels(2) User data is carried on the traff...

Ngày tải lên: 10/08/2014, 16:22

... (cont.) Cons Cons  Security by Obscurity Security by Obscurity  Only access security – doesn't provide end-to-end security Only access security – doesn't provide end-to-end security  GSM Security ... References References GSM Association, http://www.gsmworld.com GSM Association, http://www.gsmworld.com M. Rahnema, Overview of the GSM System and Protocol Ar...

Ngày tải lên: 10/08/2014, 16:22

... Challenge-Response authentication of the subscriber by the operator subscriber by the operator 3 3 GSM Security Concerns GSM Security Concerns Operators Operators  Bills right people Bills right people  Avoid ... Customers Customers  Privacy Privacy  Anonymity Anonymity Make a system at least secure as PSTN Make a system at least secure as PSTN 4 4 GSM Security Goals GSM...

Ngày tải lên: 21/11/2012, 09:00

... agenda           Introduction for the security Networks and exchanges of data Computer security The risks The attacks Social Engineering Categories of attacks Parades for the attacks The security architecture An ... ? Question 2 : How the persons use the services ? Introduction for the security  Networks and exchanges of data  Computer security  The risks Networks and e...

Ngày tải lên: 09/12/2013, 17:22

... data networks. Especially noteworthy is the contact security without worrying about climatic and other environmental problems. Technical contact security results in the formation of a gas-tight ... connection cannot be touched without the correct insertion tool, which leads to greater contact security and means that when the joint is to be remade no particles of solder or wire remain in

Ngày tải lên: 10/12/2013, 02:15

... 553-NETS (6387) Fax: 408 527-0883 Enterprise Branch Security Design Guide Customer Order Number: Text Part Number: OL-11726-01 16 Enterprise Branch Security Design Guide OL-11726-01 Design and ... 1 WAN Router 2 Contents ii Enterprise Branch Security Design Guide OL-11726-01 Single-Tier Profile 55 Dual-Tier Profile 55 Multi-Tier Profile 56 Security Services 57 Infrastructu...

Ngày tải lên: 10/12/2013, 16:16

... 3 Introduction The National Security Agency (NSA) Information Security (INFOSEC) Assessment Methodology (IAM) is a detailed and systematic method for exam- ining security vulnerabilities from ... expertise required NSA’s Triad is a top-down approach that starts with a high-level overview of the target organization’s security posture.The approach then focuses specifically on critical...

Ngày tải lên: 12/12/2013, 22:15

Ngày tải lên: 15/12/2013, 01:16

Ngày tải lên: 15/12/2013, 01:16

... the ETSI secretariat. GSM and UMTS: The Creation of Global Mobile Communication458 19.2.1 Consolidation of GSM Phase 1 In the years 1989–1992, the main focus of activities in GSM and PT12 was the ... Introduction of GSM Phase 2 The need to introduce GSM in phases had already been recognized before 1990. Some features had been deferred rather early to phase 2, for example: GSM and...

Ngày tải lên: 15/12/2013, 05:15