Automotive Information Sharing and Analysis Center

Overview
The Automotive Information Sharing and Analysis Center (Auto-ISAC) is a non-profit information sharing organization that is owned and operated by automotive manufacturers and suppliers. Founded by a global group of automakers in 2015, the Auto-ISAC is the central hub for coordination and communication around industry-wide sharing cyber threats and vulnerabilities to the connected vehicle.

Source
National Council of ISACs, Member ISACS (full-text).