A Security Manager is part of a team selecting web conferencing systems for internal use. The system will only be used for internal employee collaboration. Which of the following are the MAIN…

Security of data storage ensures that meeting recordings, shared files, and session content are protected from unauthorized access or disclosure.

Cost is a financial and procurement concern outside the security manager's primary responsibilities.

System availability is a core security concern under the availability pillar of the CIA triad, as downtime disrupts authorized employee collaboration.

User authentication strategy governs who is permitted to join sessions, preventing unauthorized access to internal communications.

PBX integration is a telephony and operational requirement that does not directly affect the security posture of the web conferencing platform.

Operating system compatibility is an IT infrastructure concern managed by systems administrators, not a primary security consideration.