About Encryption Keys; Memory Cleaning - Blackberry Bold 9900 Help Manual

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About encryption keys

If your BlackBerry® smartphone is associated with an email account that uses a BlackBerry® Enterprise Server or BlackBerry®
Desktop Redirector, your smartphone is designed to use an encryption key to protect data as it travels between the BlackBerry
Enterprise Server or BlackBerry Desktop Redirector and your smartphone.
You should generate a new encryption key every 2 weeks.
Generate an encryption key
To perform this task, your work email account must use a BlackBerry® Enterprise Server that supports this feature. For more
information, contact your administrator.
1. On the Home screen or in a folder, click the Options icon.
2. Click Security > Security Status Information.
3. Highlight a service.
4. Press the
key.
5. Click Regenerate Encryption Key.

Memory cleaning

About memory cleaning
Memory cleaning is designed to delete sensitive data from the temporary memory on your BlackBerry® smartphone. Examples
of sensitive data include sensitive data in the cache for the key store browser, unencrypted data from email messages, LDAP
authentication passwords, and data from certificate and key searches.
When memory cleaning is turned on, the memory cleaning application is designed to delete sensitive data automatically in the
following situations:
• When you insert your smartphone in a holster
• When you do not use your smartphone for a specified period of time
• When you synchronize with your computer
• When you change the time or the time zone for your smartphone
• When you lock your smartphone
Turn on memory cleaning
1. On the Home screen or in a folder, click the Options icon.
2. Click Security > Advanced Security Settings > Memory Cleaning.
3. Select the Enable check box.
4. Press the
key > Save.
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