Naked Scientists Podcast

Naked Scientists episode

Sun, 2nd Sep 2012

Cybersecurity: how safe are we online?

network (c) Matt Britt @ Wikipedia

How is data sent safely online, and how can we keep prying eyes away?  This week we investigate the basis of cybersecurity, ask if chip and pin is safe and talk to a team of hackers who attempt to penetrate websites legitimately.  We also reveal the dangers of wifi as we find out what your mobile phone is revealing about you. Plus the genetic basis of movement, a new form of flexible battery and, in our Question of the Week, how one telephone line can have multiple uses!

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In this edition of Naked Scientists

Full Transcript

  • 01:47 - Securing the Internet - Data Protection and Encryption

    Our lives are increasingly moving online, which means that more and more of our personal and financial information is being stored in cyberspace. But just how secure is our data? Ross Anderson explains...

  • 10:36 - Securing the Internet - Chip and PIN

    Credit and debit cards now almost universally use chip and PIN technology, to enable consumers to make secure purchases. But how does it work and exactly how secure is it?

  • 25:08 - Tracking Movements with Mobiles

    Smartphone usage has grown in recent years, as has the amount of information we keep on them. A new system has been developed that can secretly track smartphones and even find out where their owners live.

  • 32:46 - Urban Heat Islands - Planet Earth Online

    The urban heat island effect sees artificial surfaces in built up areas acting as storage heaters - making cities warmer than the surrounding rural landscape. A new project to create the densest urban sensor network in Birmingham hopes to map temperature changes across the city...



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