Basic Summary: Yam is currently developing a protection protocol to allow users to earn yield by staking protection or seek protection in the event of a DeFi exploit.
Most discussion has occurred in the Discord regarding the name, and the below choices reflect that discussion.
As context, the protection protocol is decidedly not traditional insurance, but it does offer a form of protection and payout in the event of a hack. You can view the lite paper draft here: https://docs.google.com/document/d/1CK857MKLggqimdFWAnUqqsq3p2SCtpEZrt9-mf6szow/edit