Benefytt, EMSA, Lindsay Municipal Hospital Affected by Cyberattacks. Health Plan Intermediaries Holdings (Benefytt) has been affected by a cyberattack on a vendor, Emergency Medical Services Authority said patient data was Health Plan Intermediaries Holdings (Benefytt) has been affected by a cyberattack on a vendor, Emergency Medical Services Authority said patient data was exposed in a February cyberattack, and the Bian Lian group has claimed responsibility for a cyberattack on Lindsay Municipal Hospital. Third-party company: Multiplan Inc..