Devices running this OS may act as "zombie nodes," phoning home to malicious servers via unencrypted ports.
Do not use your primary Google or banking accounts on unverified hardware. bigdroidos 201 link
If you have recently acquired an Android TV box or a generic tablet and found "BigdroidOS 2.0.1" in the system settings, you are likely looking for a way to update or install official apps. However, recent security findings suggest that this specific operating system is often bundled with hardware that may not be what it seems. What is BigdroidOS? Devices running this OS may act as "zombie
Use a router-level firewall or a separate guest Wi-Fi network to prevent the device from accessing your main network. bigdroidos 201 link