AHuxley (892839) writes "US law enforcement bodies view the sale of instant messaging service ICQ to a Russian company as a threat to homeland security.
The US notes it is sure that most criminals use ICQ and, therefore, constant access to the ICQ servers is needed to track them down.
As the system is based in Israel, American security service have had access.
In spring 2010, Russia’s largest Internet investment company, Digital Sky Technologies purchased of the service for $187 million from AOL"
Link to Original Source