HP includes its HP ProtectTools suite, which works with the integrated biometric fingerprint reader on the front of the keyboard deck and provides drive encryption and password management. You also get ArcSoft's TotalMedia for video and DVD playback, and the usual Office 2010 and Norton trials.
The 4430s is a solid, affordable business laptop that looks good in the meeting room and will get the job done. The absence of a high-speed local bus, however, is a definite drawback.