A recent survey of 1,000 U.K. employees who have access to customer data at work has found that 30 percent of respondents aged 18-24 say they would snoop on sensitive customer data work, while 12 percent of respondents aged 45-54 say they would do so.

The survey, conducted by OnePoll and sponsored by Courion, also found that one in five respondents believe hackers do a "worthwhile job" in exposing security flaws that organizations need to fix.

"The results point to a worrying lack of understanding of the importance of adhering to strict data protection guidelines," Courion CEO and founder Chris Zannetos said in a statement. "As organizations are opening their networks to an increasing number of external users and employees, ensuring tougher controls on how access to sensitive data is granted, monitored and controlled is vital to preventing security breaches."

The survey also found that 39 percent of respondents share work login details with colleagues, despite warnings about protecting passwords; and 33 percent would consider accessing a previous employer's data to help them with a new job.

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