What is the MOST effective way to enhance the security of mobile devices used under a BYOD policy?

Using Mobile Device Management (MDM) solutions to centrally control employees' mobile devices is the most effective way to enhance security under a BYOD policy. MDM provides organizations with the ability to manage, monitor, and secure mobile devices that access company data. This includes capabilities such as remote wiping of data, enforcing security configurations, managing application installations, and ensuring compliance with security policies. By implementing MDM, organizations can enforce security measures consistently across all devices, thus significantly reducing the risk of data breaches and unauthorized access.

Moreover, MDM solutions can help in tracking the inventory of devices, ensuring that only compliant and authorized devices are allowed to connect to corporate resources. This level of control is vital in a BYOD environment where devices are diverse and may not adhere to the same security standards as corporate-issued devices.

While implementing a password policy and using traditional antivirus software are beneficial practices, they do not provide the comprehensive controls and management capabilities that MDM solutions offer. Additionally, prohibiting the use of personal devices entirely may not be realistic or beneficial for workforce productivity, as it eliminates the flexibility and convenience that BYOD policies aim to promote. Thus, MDM stands out as the most robust solution for enhancing the security of mobile devices in a BYOD context.