A phone-based calendar could also leave you vulnerable. Police in the UK have already identified burglaries that were committed after the thief stole a phone and then targeted the individual’s home because their calendar said they were away on holiday… It’s largely opportunistic, but if you’ve got all your personal information on there, like bank details, social security details and credit card information, then you’re really asking for someone to ‘become’ you, or rob you.
Joe McGeehan, head of Toshiba’s research lab in Europe and leader of DTAAC’s Design Out Crime project, which recently set UK designers the challenge of trying to make cellphones less attractive to people like hackers and identity thieves.” — The pocket spy: Will your smartphone rat you out? - tech - 14 October 2009 - New Scientist
