Windows Endpoint Security Software Development

I need a comprehensive endpoint security software developed for Windows and MAC. The software should be capable of:

- Antivirus and malware protection
- Data encryption
- Firewall management
- Sending data to a central server for analysis

The solution should secure desktops, laptops, servers, and mobile devices.

Ideal candidates should have:
- Proven experience in cybersecurity software development
- Strong expertise in Windows security protocols
- Knowledge of encryption and firewall management
- Experience with central server data integration and analysis

Please include any relevant portfolio work in your bids.