Cost considerations for implementing NAC in a mid-size company include:

• Initial investment: Costs for NAC hardware, software, and licenses.
• Ongoing maintenance: Expenses for regular updates, support, and management.
• Training: Costs for training IT staff and end-users.
• Scalability: Potential future costs as the network expands.
• Return on investment: Long-term savings from improved security, reduced incidents, and compliance with regulatory standards.