TFCS-ahM	TFCS Ad Hoc Group on Cybersecurity Threat Mitigation Last session: August 2017
TFCS-ahRSU	TFCS ad hoc group for Recommendation on Software Updates Last session: December 2017
TFCS-ahSU	TFCS Ad Hoc Group on Software Updates Last session: September 2017
TFCS-ahT	TFCS Ad Hoc Group on Cybersecurity Threats Last session: April 2017
TFCS-TPCM	CS/OTA Test Phase Coordination Last session: September 2019