A fresh install of Ubuntu 16.04.2 or 16.10 on an Asus Zenbook Flip 360C allows the lock screen to be bypassed.
The desktop session should always lock.
When the Terminal and System Settings applications are running and the system is suspended, it may bypass the lock screen entirely when resumed. It gives the appearance of attempting to lock but then presents the desktop. When this happens, the mouse click also doesn't function. Tapping the MS button seems to correct this.
On 16.10, Terminal + System Settings + Firefox seemed to reproduce the problem more.
It doesn't yet look like there's a way for the user to directly provoke this once the system is suspended.
A fresh install of Ubuntu 16.04.2 or 16.10 on an Asus Zenbook Flip 360C allows the lock screen to be bypassed.
The desktop session should always lock.
When the Terminal and System Settings applications are running and the system is suspended, it may bypass the lock screen entirely when resumed. It gives the appearance of attempting to lock but then presents the desktop. When this happens, the mouse click also doesn't function. Tapping the MS button seems to correct this.
On 16.10, Terminal + System Settings + Firefox seemed to reproduce the problem more.
It doesn't yet look like there's a way for the user to directly provoke this once the system is suspended.