LogDevice is crash fault tolerant not byzantine fault tolerant if that's what you're asking. This fault tolerance is in regards to where the logs are placed not

LogDevice is crash fault tolerant not byzantine fault tolerant if that's what you're asking. This fault tolerance is in regards to where the logs are placed not who's emitting them though. If you want to analyse logs for inconsistencies or attack patterns you should look into something like SEAMS/REAMS, it's completely out of scope for LogDevice.