Here's a great app for the Tab or for Android devices in general:

This is a One Time Password generator for two-factor secure logins. It implements mOTP (http://motp.sourceforge.net/) HOTP (RFC 4226), & TOTP:


http://www.androidzoom.com/android_a...eotp_cbqw.html

Basically using a OTP for services that support it adds a layer of security on top of your private password. Even if your password should become compromised (discovered or guessed), your device acts like a physical key that must be used for an authentication grant. In the end, both your private password (something you know), and your device (something you have) must be present or authentication fails. This increases security significantly! Add in a firewall and you're locked down.

Good for administrators or the generally paranoid. But it's nice to be able to have this function on your mobile device, rather than needing to purchase a separate device to perform this function!