Tech Tent 19: Hacking Attacks

The US has charged five Chinese army officials with cyber espionage after attacks on businesses in the country. Ebay also revealed it had been hacked, leading to millions of users' account details being compromised so can data stored online ever be safe from hackers? Can data security be improved?

The big chiefs of the tech world have been gathering in California to discuss the "Future in Review". What have they been talking about and where do they stand on the balance between freedom of speech and privacy on the internet? Internet pioneer Vint Cerf tells us his views.

How can software modelling help doctors prescribe treatment to patients? Researchers in the UK are using the technique to recreate parts of the human body and test out the effect of different treatments.

Rory Cellan-Jones presents with studio guest cyber crime expert Peter Sommer