Online music sales company Flash and Sizzle, Inc. is planning to develop several Internet applications that will be accessed by the new handheld mobile devices they have just released. These devices have tight security requirements in their mini-browsers with locked down policies and certs.
For these devices, which authentication mechanism is most secure?(Choose one)
A. HTTP Basic
B. Form Based
C. HTTP Digest
D. HTTPS Client
Source: SAI
What's your take?