The 30 year-old Controller Area Network bus, better known as CAN, is often held up as a symbol of the auto industry's glacial pace of innovation. But, as Ken Tindell of Canis Automotive Labs explains, the electronic backbone of every modern car has persisted through decades of profound changes in electronics and networking for good reasons. What's more, Tindell has taught CAN a new trick that could maintain its viability for decades to come while securing it from the cybersecurity threats that were all but unimaginable when CAN was first invented.