Lock Your Screen When Away from Your Office
Screen locking ability exists for a reason. Even if you are leaving for just a few minutes at a time, be sure to lock your screen. Though physical intruders are rare during daytime and in conventionally secured offices, intrusions do occasionally happen. Screen locks also thwart opportunistic insider attacks from other employees that may seek to obtain information or access information beyond what they should normally have. If you don’t adhere to a screen locking policy, an attacker can simply walk up and start manipulating or stealing your information without having to even work at getting in to your system. And remember, you are ultimately responsible for everything done under your login!
Locking your screen is as simple as simultaneously pressing the Windows key + L. On Macintosh devices, it CTRL + SHIFT + EJECT