Businessweek Archives  How Safe Are One Stop Financial Web
Sites?  Finance: Financial Services  How Safe Are One-Stop
Financial Web Sites?  Look, there's your portfolio  Managing
your finances online appeals to you, but the bank account is at
one Web site, the brokerage at another--and each of your credit
cards has its own site as well. Now, instead of jumping around
the Net, popular Web sites are offering to collect all that
financial information for you, allowing you to use it the same
way you always did--but with just one log-on name and password.
Some 300,000 consumers already use these services, and 3.7
million more are expected to sign up over the next 18 months.
Web users can gain access to these services at some well-known
sites such as and, but the bulk of the data-gathering, record-
keeping, and security functions belong to one of two companies
that you've probably never heard of--VerticalOne Corp. and
Yodlee Inc. Both data processors, or "aggregators," are little
more than a year old. Unlike banks