Since the last update for Bitdefender for mac, days ago, BDLDaemon is using a high >100% of CPU constantly and there isn't other solution than deactivate protection.
There is any other solution? are you working in any patch?
Im using Big Sur 11.2 MacBook Pro (Retina, 13-inch, Early 2015) 2.9 Ghz dual core intel i5
Bit defender Version 8.3.0.8