1. Canada has the Communications Security Establishment and a few other small groups. 2. This decision was implemented through the Government Communications Security Bureau Act 2003. 3. Communications security , on the part of the Allies, was more centralized.4. Several of these personnel are likely also attached to DND's Communications Security Establishment. 5. Communication security was provided by GSS-based context negotiation and on-the-wire encryption.6. They will also maintain strict operational and communications security , " the report said. 7. "' Stefan Lucks "'is a researcher in the fields of communications security and cryptography. 8. Those parts included classified target-detecting devices and restricted communications security parts, the report said. 9. US military forces all have tactical SIGINT and COMSEC ( Communications Security ) units. 10. Canada has the Communications Security Establishment and several other groups, especially military tactical groups.