Resource Identifier

Full Title or Meme

Many an Identifier points to a site accessible on the Internet. Navigating to that Identifier can enable some app on the user's device to download an process data from that internet location.

Context

The most common sort of Resource Identifier is the URL, URI or URN as defined by the IETF.

Problems

If all applications that accessed Resource Identifiers were secure against maliciousness content there would be no problem in accessing that site. But the fact is that the complex programs that do download content from the Internet are never so secure that content cannot be created to compromise them.

• Cross-site Scripting is one example of putting control scripts into content that can cause that script to be executed with the user's privileges on the users computer.