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Friday, July 15, 2011

How safe is your voicemail... and how safe is your phone?

Mark Bridge writes:

In this week’s podcast feature we’re joined by Jack Wraith, chief executive for the Telecommunications UK Fraud Forum and chairman of the Mobile Industry Crime Action Forum.

He talks to Iain Graham about the current state of voicemail security and the improvements to mobile security we’ve seen in the last few years.

As Jack explains, the original process used for ‘voicemail hacking’ - listening to someone else’s messages on their answering service - is no longer possible. In the past, voicemail was automatically set up to allow customers to hear their messages remotely. You’d generally ring your own number, wait to hear your own voicemail answering message and then enter a 4-digit personal identification number. The big problem was that voicemail was set up with a default 4-digit PIN code on each network. (For example, all Vodafone handsets were preset to 3333). Although you were told to change your PIN, you didn’t need to. So, if you wanted to listen to someone else’s messages and knew what network they were using, you also knew what their default voicemail PIN was.

Fortunately, the process was changed several years ago. Exact details will vary between UK mobile networks… but the biggest change is that there’s no such thing as a default PIN for remote access. If you’re setting up a PIN code, you’ll need to make one up yourself – and you’ll often find that security features can only be changed from the mobile phone itself.

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Categories: Networks and operators, OpinionNumber of views: 10367

Tags: security voicemail crime micaf tuff

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Opinion Articles

A Sure Signal from Vodafone

Mark Bridge writes:

Today I've been using my mobile phone at home. For many people that’s not an unusual thing to do – but it is for me because, around here, coverage indoors isn’t particularly good. Downstairs it’s previously been non-existent. But this morning everything changed.

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Physician uses cell phones to bring health care to the poor

Natalia Ardanza of voanews.com writes:

In Africa there is another use for mobile phones. Public Health workers in Kenya are now using mobile phones to gather health information from patients in remote areas and upload it to the internet for instant analysis at distant centers. And it is all happening thanks to Dr Joel Selanikio.

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Making dumb touchscreen phones was a smart move

Mark Bridge writes:

I remember a report from last year that said ‘non-smart’ touchscreen handsets – generally those without a popular operating system – would be bad news for mobile operators.

Conventional touchscreen smartphones tended to result in higher-than-average ARPU thanks to their early-adopting tech-loving users, their web-friendly browsers, their email programs, their app-friendly operating systems and their fast 3G connectivity. However, dumber touchscreen devices – those with a manufacturer’s own proprietary OS and perhaps a clumsier browser – could generate 23% less ARPU than smarter phones. So, if touchscreen dumbphones weren’t good for networks… and weren’t really good for consumers either… manufacturers wouldn’t really bother with them. Right?

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"Hello Nexus One" I say...

James Rosewell writes:

Mark’s been encouraging me to write an opinion piece on the Nexus One for the last few days and I’m finally putting fingers to keyboard to share my experiences. It’s taken so long because this phone has so many features. On a positive note I could go into details about the gorgeous screen, the Android Marketplace that will out-sell Apple’s over the next 18 months, the built-in satellite navigation service and the speedy processor that makes everything run smoothly in real time. Or on a less positive note, the touch screen keyboard that sucks (think carefully about this if you’re a heavy texter or emailer, it’s even worse than the original iPhone), the lack of ActiveSync for Calendars and Tasks, no support for WMA music files or the clunky zoom functions on the web browser.

However I’m going to focus on voice dictation. Nexus One is the first phone I’ve used with this feature.

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The Amazon Kindle prepares to fight the Apple iPhone and Tablet

Mark Bridge writes:

Here’s a curious thing. Firstly, Amazon creates the Kindle. It starts selling the Kindle in the USA with a mobile deal that lets users download electronic books and newspapers wherever they are. Then it starts selling the Kindle to us in the UK, although – hang on a moment – it’s not talking about a UK mobile deal. Instead it still seems to be ‘roaming’ from the AT&T network. Next comes the larger-screen Kindle DX – also roaming away when it reaches our shores. And now Amazon is talking about third-party downloadable applications for the Kindle. Yes, a mobile device with downloadable apps. Hold that thought; I’ll be returning to it.

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