PageOnce, available to US residents, remains the safest online service for bill-paying and managing personal accounts, partly because it does not store your checking account details, so no hacker can potentially come in and steal the information to drain your savings.

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With the possible exception of your bank account details, medical histories are the most sensitive - and potentially embarrassing - examples of personal data held by the authorities.

BBC: Who is looking at your medical records?

"Accounts are getting hacked every day so you don't really know who is on the other end, it could be anyone, it could be someone wanting your bank account details, " Hardy added.

BBC: Hacker Chris Hardy gives online safety advice

Just as worrying is the thought that somebody else can find out your bank-account details, even if they cannot do anything with them.

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And at the heart of it is a powerful idea - that your mobile phone number can become the key to your bank account without you having to hand over your banking details to anyone who wants to pay you.

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With Wall Street in turmoil, it pays to take a second look at the details in your brokerage account.

FORBES: Magazine Article

If you go on to our website and put in details of your current account it will bring up comparisons of other accounts, and one of the things, criteria, used to select is satisfaction and service.

BBC

If you have an account with this offshore bank, how could Wells Fargo have your name and details?

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"Never disclose sensitive details such as your social security number, passport or driver's license numbers, bank account information to prospective employers until you have established they are legitimate, " said the firm.

BBC: NEWS | Technology | Monster attack steals user data