I called Royal Bank of Canada to update some information, at their normal phone prompt I entered my client card number as usual. After reaching an agent they automatically used my voice to authenticate me, foregoing any security questions or verbal passwords. Normally I considered RBC to be fairly reliable in that they would ask 5-6 personal questions and ask for my verbal password. It made me uneasy knowing that a scammer could call me, record our conversation, and play it back to gain access to my account.