Context-based protocol stack privacy

A method for use in a wireless transmit/receive unit (WTRU), the method comprising:

• selecting a network from a plurality of networks;
• adjusting a privacy profile wherein the privacy profile includes privacy and security settings for each layer of a protocol stack of the WTRU, wherein the privacy and security settings include at least one of (1) using anonymous dynamic host configuration protocol (DHCP) signaling parameters, the anonymous DHCP signaling parameters including a hostname, (2) using a non-static medium access control (MAC) address, and (3) using a non-static Internet protocol (IP) address;
• and
• instructing each respective layer of the protocol stack of the WTRU with the privacy and security settings based on the adjusted privacy profile.