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CS898T Mobile and Wireless Network Handheld Device Security. By Yuan Chen July 25 th , 2005. What is handheld device? Why does handheld device introduce new security risks? How to mitigate the security issues of handheld devices?. 1. What is handheld device?.
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CS898T Mobile and Wireless NetworkHandheld Device Security By Yuan Chen July 25th, 2005
What is handheld device? • Why does handheld device introduce new security risks? • How to mitigate the security issues of handheld devices?
1. What is handheld device? • Handheld devices (also known as handhelds) are pocket-sized computing devices that are rapidly gaining popularity as the access to information in every walk of life becomes more and more mission critical.
Typical handhelds • Information appliance • Smart phone • Personal digital assistant (PDA) • Cell phone • Handheld game console
2. Why does handheld device introduce new security risks? • Small size • Limited computing power, memory and peripherals • Handheld device users often do not consider the security implication • Multiple access points (e.g., expansion modules, wireless modems, Bluetooth, etc.) • Few auditing capabilities or security tools available • Etc.
Security Requirements • Confidentiality – information is disclosed only to legitimate entities or processes. • Integrity – unauthorized modification of information is prevented. • Availability – authorized entities can access a service provided they have appropriate privileges.
3. How to mitigate the security issues of handheld devices? • Management Countermeasures • Operational Countermeasures • Technical Countermeasures
Technical Countermeasures • Authentication • Encryption • Antivirus Software • PKI (Public Key Infrastructure) • VPN (Virtual Private Networks) and Firewalls • Enterprise Solutions • Miscellaneous
Telecommuters, Remote, Mobile, and Home users can have secure, controlled access to corporate LAN resources from any Internet connection. All applications can be made available the same as if they were locally connected. VPN - Remote/Mobile Users