Oh, and you can enforce a sensible password policy on the sandbox just in case someone leaves their phones unlocked and on the train.Let's just take a moment to talk about device security, as it is an obvious concern. What if your users don't heed any of your warnings or requests to keep their devices secure?On their laptops and home computers you don't have to worry. As we have already mentioned you will be using two-factor authentication, so each user might have a little plastic token that throws up short-lived numeric passcodes to be combined with their normal corporate login (on which of course you can enforce frequent password changes and complexity rules).But what about their phones? Well, at least you can enforce security on the sandbox application you have had them install for them to access corporate information.Remember, however, that they probably care about the security of their own phone because it has their confidential stuff on it.For example, the iPhone app for one of the major banks' online banking systems requires nothing more than a five-digit passcode before it dishes up confidential information ¨C so you can bet that the more sensible users will have a phone lock code set too.

What about the cloud? One might answer this with: ¡°Well, what about it?¡± If you have apps hosted in the cloud then your users' experience will be similar whether they are at home or in your office ¨C it is just that the address they point to is somewhere out in the blue yonder rather than the external IP address of your own firewall.The final thing for users to remember is that having access to corporate data on their personal PC or phone has a lot in common with having the same access on a company-owned device.What matters is who's looking over someone's shoulder when they are reading sensitive information, regardless of whether it is on a company PC, their own iPhone or a wad of printer paper.Similarly if they travel outside the country they need to be aware of any rules that relate to the export of the data they have with them ¨C and again the law doesn't discriminate between a paper notebook or an Android phone.

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What is different, though, is that with BYOD they can't just leave their corporate world behind when they go on holiday ¨C and if they are anything like me, their personal iPad, phone and laptop will all find their way into their hand luggage when they are heading off for some summer sun.Toy giant Mattel has withdrawn from sale its painfully sexist Barbie book I Can Be A Computer Engineer after a storm of protest.It apologized for making the anatomically-impossible doll incapable of fixing a PC without two lads' help ¨C let alone program any software for one."The portrayal of Barbie in this specific story doesn¡¯t reflect the brand¡¯s vision for what Barbie stands for," a Mattel spokesperson said in a Facebook posting."We believe girls should be empowered to understand that anything is possible and believe they live in a world without limits. We apologize that this book didn¡¯t reflect that belief. All Barbie titles moving forward will be written to inspire girl's imaginations and portray an empowered Barbie character."

The book was published in 2010 without incident, but caught the eye of the Twittersphere this week thanks to an amusing blog post by Pamela Ribon, titled Barbie fucks it up again.The illustrated tale opens with a bespectacled Barbie ¨C pink frames, of course ¨C explaining to her sister Skipper that she's designing a computer game. It turns out the actual job of programming the thing will be done by two male friends, though.When Barb tries to email her design to one of the guys, her computer dies. She reckons it's a virus rather than a hard drive or power supply failure.Luckily, the wannabe game dev has backed up her work on a pink, heart-shaped USB drive she wears as a necklace, and borrows her sister's laptop to get the email sent ¨C only for that computer to crash too, wiping out Skipper's homework. Skipper is so annoyed she starts a pillow fight with her sister.At school, she meets up with her pals Brian and Steven, and asks for their help. Luckily for our heroine, the boys are able to hook up her hard drive to the school library's computer, which has "excellent security software," although apparently no means to stop random virus-ridden hard drives being plugged into its network.

The boys save the day and retrieve Barbie's designs and Skipper's homework. Barb's sister is so impressed, she writes an essay about how much she admires her "computer engineer" sister who managed to retrieve her homework. Meanwhile Barbie gets extra credit from her teacher for the game she designed but didn¡¯t write.As you'd expect for a book aimed at preteen doll players this isn't Hemingway. But a lot of people were offended that Barbie's 1337 skills seem to devolve down to getting boys to do the hard stuff and then claiming all the credit, although we can all think of a few bosses (male and female) who've turned this into a successful management strategy. Choose your own device (CYOD), the latest incarnation of mobility device management, is being promoted as a smarter alternative to BYOD (bring your own device), with more benefits for everybody and fewer pitfalls.How is CYOD defined in the real world and what are the advantages and challenges for business owners, IT teams and end users? Who is driving demand and how readily is CYOD being adopted?Analyst IDC predicts the global market for enterprise mobility will exceed $174bn by 2017. It is already big business for Microsoft, which has natural CYOD synergies after its purchase of Nokia and its ongoing grab for the cloud through Azure Active Directory.

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Microsoft believes that the trend towards CYOD, unleashing a growing diversity of devices that can be used to access corporate assets, presents an opportunity to increase productivity and work satisfaction."Organisations are in search of a simple and consistent way to enable users to be productive on the devices they love, while ensuring their corporate assets are secure and protected,¡± says Brad Anderson, Microsoft corporate vice president enterprise client and mobility.So what separates CYOD policies from the BYOD that developed organically during the smart-device boom?Curt Cornum, vice president solutions at managed-service provider Insight, defines the market. ¡°CYOD provides users with choice in their environment through company-owned or company-liable devices,¡± he says."BYOD involves employee-owned devices with which they can walk into the building and access applications and other resources."Device manufacturers look at it differently. HP argues that BYOD focuses on content consumption rather than creation, and that employees using tablets as their main device may become frustrated by a lack of productivity in the longer term.¡°Businesses are struggling to balance the aspirational needs of users with the needs of corporate IT, which is heavily dependent on manageability, security and maintainability,¡± says a company spokesperson.

¡°CYOD and COPE [corporate-operated devices with a personal experience] each address the needs of users without sacrificing the responsibility of IT or exposing the business to risk.¡±¡°The pressure is on businesses to provide a sexier consumer experience rather than restrictive corporate devices,¡± says Sian John, EMEA chief strategist for Symantec.Formal CYOD policies identify applications that people really want and that give the business competitive advantage. People need secure access to their corporate documents, spreadsheets and presentations across all devices, not just their laptops so they can share data while mobile without connectivity issues and without compromising corporate security.¡°CYOD serves as a bridge from the old world of file servers and desktops to the new world of universal smart-device access,¡± says Anders Lofgren, vice president of product management at virtual-data specialist Acronis.