SOUTH PLAINFIELD, N.J.–(BUSINESS WIRE)– #DISA–CoSo Cloud (CoSo), a leading provider of secure, private-cloud managed services and software applications for virtual classroom training and high-consequence meetings, announced today that it has achieved Defense Information Systems Agency (DISA) authorization to operate (ATO) at Impact Level 4 (IL4). CoSo previously attained DISA IL2 certification for federal government agencies. The new IL4 certification makes CoSo the only Adobe Connect partner to ach