In-person services continued, but the parish website was still unreachable Wednesday evening and officials had not identified which systems were affected.
Commissioners used opioid-settlement proceeds to buy cryptocurrency; the county has not disclosed whether access has been restored, what data was stolen or who carried out the attack.
The county is restoring affected systems after a technology disruption while officials investigate the cause and emergency services remain operational.
County officials said all government systems were offline Thursday, while 911 remained operational and the circuit court clerk reported its phone lines were down.