The document discusses security technologies for the Wireless Application Protocol (WAP), including: - WAP 1.0 and 2.0 protocol stacks and their use of WTLS and TLS for secure communication - WTLS limitations and enhancements like WPKI, WAPCert, and TLS over HTTP in WAP 2.0 - Information security technologies like WMLScript Crypto and the Wireless Identity Module (WIM) for digital signatures and credential storage