NATIONAL Police Technology Inspection Unit head Silvia Barrera has warned about just how much of their lives users leave wide-open to the public on the internet.
Sra Barrera says Matt Damon's popular character Jason Bourne - due back on the big screen on July 29 - could easily recover his memory just by searching for himself online.
"If, one day, we woke up and didn't know who we were or anything about our own past, thanks to our 'virtual footprints' we would be able to find out everything about ourselves - our digital lives are now our real world," Barrera warns.
"We are what we advertise about ourselves, and as a consequence, that's how we sell ourselves - we're gradually exposing more and more of ourselves; want to be more and more hip and cool on social networks, upload more posts and, at times, forget about our private selves."
She says that even, for example, using an apparently-harmless sports App, a person does not know whom they are giving information to about how much they weigh, their pulse, blood pressure, medical information and how much running they do.
"The latest technology is there to make our lives easier, but also makes us careless," Sra Barrera explains.
An average internet or mobile phone user gives 'consent to publish' to 192 applications and social networks - '192 data about us', says the officer, which 'sometimes is literally confidential information'.
"Perhaps in Facebook you only broadcast your happy moments and not necessarily critical information, but then you have LinkedIn, which is a personal information forum where you put real information about yourself.
"Then there are bank details we log with online trading sites or applications.
"You should bear in mind how many of these services are interlinked: if someone gains access, for example, to your Gmail account, they will also be gaining access to far more than just your emails; they will be able to get into all services and applications linked to it including Google Calendar, Drive, YouTube, Amazon and so on; they can find out where you've been, what hardware you use...
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