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A sign-in prompt you didn't start means someone else has your password.
Poster · Security habits
Lock it when you leave
An unlocked screen is an open door. It takes one second to close it.
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One page, US Letter, in color. Print it in color or black and white.
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What's inside
The full text
Windows
Windows key + L
Locks the screen right away.
Mac
Control + Command + Q
Locks the screen right away.
Phone
Auto-lock: 1 minute
Set it once in your phone's settings.
Do
- ✓Lock your screen every time you stand up
- ✓Put papers with client details away at the end of the day
- ✓Keep your laptop with you, or locked up, when traveling
- ✓Shred printouts you don't need
- ✓Ask visitors you don't know who they're here to see
Don't
- ✕Write passwords on sticky notes or under the keyboard
- ✕Share your sign-in, even with a coworker
- ✕Leave a laptop in a car where it can be seen
- ✕Plug in a USB stick you found
- ✕Let someone you don't know follow you through a locked door
Lost a laptop or phone?
Call your IT support right away, day or night. They can lock it and sign it out before anyone gets in.
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