What kind of attack is connected to the following scenario: Customer A is about to transfer funds in the amount of $90K for the purchase of a home via an online banking transaction. The Bank Manager notifies Customer A via email to forward these funds directly to Seller B's account at routing number, 0007775599228, checking account number 000772-6660003838555 Just as Customer A is logging in to make the transfer of the funds, they receive a second email from the Bank Manager notifying them of a change of plans. They instead instruct Customer A to transfer to a different routing number and checking account. Customer A begins to make the transfer but feels uneasy and immediately logs off. They phone the Bank. The Bank Manager informs Customer A that they never sent the second email.