In the past few months, the topics of security and privacy have gripped the mobile industry. The humble SMS text message has been subjected to particular attention, both on its own and in association with smartphone apps.

John Murtagh, CTO at text message specialist Anam Technologies, explains more about the risks involved with SMS, the challenges for mobile network operators and the solutions that can protect consumers.

After catching up with last week's Microsoft announcement about new CEO Satya Nadella, we go on to talk about big changes for Brightstar and Sony as well.

There's also mobile payment news from MasterCard and Weve, some patent agreements, a warning about second-hand smartphone sales, a forecast of mobile data growth and a report about app developers.

The Smart UK project is an annual government-supported competition looking for the UK's Most Innovative Mobile Company.

A few days ago, all 20 companies on the competition shortlist gave a short presentation to the Smart UK panel of judges. Afterwards, Mark Bridge spoke to some of the entrants to discover exactly what they had to offer - and how they planned to disrupt the mobile industry.

This week's podcast starts with Lenovo's purchase of the Motorola Mobility smartphone business. Was it a good deal for everyone?

We also talk about network infrastructure sharing in the UK, mobile malware, 3G coverage, misleading apps, mobile advertising, Samsung's retail plans and global tablet sales.

We start this week's podcast by looking at the new Ofcom rules that should end unexpected mid-contract price rises for UK mobile phone customers.

There's also talk about misleading mobile network advertising, patent agreements, takeover bids, satellite broadband and 4G data usage... plus a curious patent application from Google.