More than three-quarters of IT security professionals at RSA reported they had plugged in USB sticks they found.
The survey by security vendor AhnLab polled 300 professionals at last month's RSA Conference.
It found 78 percent of respondents would plug in a USB flash drives that they found abandoned.
AhnLab business development vice president Brian Laing said USB drives were significant security risks..
“I urge IT security professionals to begin practicing what they preach," Laing said.
"This ‘it won't happen to me' attitude doesn't wash. It really does come down to the old mantra of combining people, process and technology – if you can get all three elements right, you are on track to a safe and secure environment.”
The survey also found that 68 percent of respondents had been involved in a security breach, either at home, work or personally – with many relating back to the infected USB drives.
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