The Technology Trade is the new Arms Trade
Iran's Web Spying Aided By Western Technology
[...]the Iranian government appears to be engaging in a practice often called deep packet inspection, which enables authorities to not only block communication but to monitor it to gather information about individuals, as well as alter it for disinformation purposes, according to these experts.
The monitoring capability was provided, at least in part, by a joint venture of Siemens AG, the German conglomerate, and Nokia Corp., the Finnish cellphone company, in the second half of 2008 [..]
"We didn't know they could do this much," said a network engineer in Tehran. "Now we know they have powerful things that allow them to do very complex tracking on the network."