6 ways to improve cell phone security

Establishing guidelines for cell phone use is the first step in securing calls on any mobile network, experts say.

“Government agencies that don’t have the higher level of encryption should implement processes that limit the kinds of information that can be disclosed on cell phones,” said Stan Schatt, security practice director at ABI Research.

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Policies should include specifics such as instructions for employees to turn off the Bluetooth connection on mobile devices when they leave the office to help prevent installation of malware, he said.

Encryption software maker Cellcrypt Inc. offers additional advice on its Web site for stopping mobile phone tapping:

• Never assume that voice calls are confidential.
• Keep your phone safe. It takes just moments for someone to install a malicious program, compromise the security of the SIM card or install a special battery with a bug in it, all of which can later be used to help intercept calls.
• Protect your phone and voice-mail PINs and never leave confidential information in voice-mail or text messages.
• Use software that encrypts voice calls on your phone.
• Be wary of text messages, system messages or events on your phone that you did not ask for, initiate or expect.
• Turn off Bluetooth when you are not using it.