Copyrighted image Credit: BBC The Bang team ask how secure our data is

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Bang on TV

Liz finds out how safe digital storage formats such as DVDs and memory sticks are, and whether the Cloud answers all our problems. Dallas and Jem see what it takes to properly wipe your computer memory, and Maggie Philbin revisits phone security after nearly 30 years, investigating how hackers can access your smartphone.

Bang Goes The Theory can be seen on BBC One (England and Scotland) and BBC Two (Northern Ireland and Wales) on Monday 26 March at 7.30pm. Full schedule and iPlayer links are on bbc.co.uk. Read more about the current series.

Byte the dust... more about data and devices on OpenLearn