A method, system and computer readable medium for managing a user online
financial transaction at a destination ecommerce web site using a credit
or debit card account of the user, including a) transmitting an
activation command to a financial institution processing financial
transactions for activating the credit or debit card account of the user;
b) submitting a charge request for the credit or debit card account to
the financial institution via a destination e-commerce web site to which
the user is logged in while the credit or debit card account is in the
activated status; and c) transmitting a de-activation command to said
financial institution for de-activating the credit or debit card account,
wherein the financial institution only accepts and processes charge
requests received from e-commerce web sites while the credit or debit
card account is in the activated status and wherein the financial
institution declines charge requests while said credit or debit card
account is in the de-activated status, and wherein steps a) to c) are
repeated at least once.