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Security

• "sandbox“security model from Java

• MHP adds a mechanism to keep track of the origin of strings in the system used by the scripting language.

Notes:

DVB-HTML uses a security model derived from Java: unauthenticated applications operate within a "sandbox", limiting access to system resources. MHP adds a mechanism to keep track of the origin of strings in the system used by the scripting language. While this may provide security by preventing malicious code entering the system, these changes create a new nonstandard system and pages of additional complexity to the standard.