Worldwide Security Breach

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'Change all of your passwords now!' The BBC's technology correspondent Rory Cellan-Jones on whether the heartbleed security bug - a virus that allows hackers to listen into online communications, steal data, impersonate websites and unlock encrypted data - has been mishandled. A security patch has been issued - but this is a wakeup call for online security. As Athens seeks to unload bonds worth $3.5 billion, Greek economist Yannis Varoufakis wonders whether his government's stance is all hubris. In Taiwan, Cindy Sui climbs Bamboo Mountain to take a look at a booming industry. Also on the programme: in Washington DC, Professor Peter Morici talks about internet security and Greece's efforts at self-revival; and in Delhi, Jyoti Malhotra examines the 815-million person, 35-day extravaganza that is India's general election. Plus Phil Mercer in Perth on the continuing search for Malysian Airlines flight MH370.