There are 29 million internet users in the UK and the BBC and Get Safe Online have set up a quiz and information site as a user report is released for internet safety week.
As online fraud increases, internet users are becoming victims.
Other key findings of the survey include the discovery that 18% had responded to spam messages.
A further 10% had clicked on a link in a spam message.
Almost 50% do not have anti-spyware, while 13% of broadband users do not have a firewall on their PC
Almost one in ten of those who have suffered online fraud have not reported it, the survey also found.
This could equate to as many as 148,000 online crimes in the last 12 months.
The quiz is here, along with easy to read and implement safety tips.
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