![](http://www.alamy.com/thumbs/6/6FED9067-2CD5-4017-9B0C-0B93A19FA020/2C5GJ85.jpg)
An isolated USB device containing a security key is used for two-factor authentication adding a layer of security to logins and authorization online.
Size: 5012px × 3341px
Location: Canada
Photo credit: © Colin Temple / Alamy / Afripics
License: Royalty Free
Model Released: No
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