Method and voice assistant device for managing confidential data as a non-voice input

A voice assistant device for managing private data, the voice assistant device comprising:

• at least one memory configured to store one or more instructions;
• and
• at least one processor configured to execute the one or more instructions to:
• detect a privacy triggering event while obtaining at least one voice input from a first user in a voice input mode,
• switch from the voice input mode to a non-voice input mode in response to the privacy triggering event,
• obtain a non-voice input from the first user in the non-voice input mode, and
• execute an operation of the voice assistant device corresponding to the non-voice input.

A voice assistant device comprising:

• a camera configured to capture an image of a first user;
• a microphone configured to receive a voice input of the first user;
• at least one memory configured to store one or more instructions;
• and
• at least one processor configured to execute the one or more instructions to:
• receive the voice input from the microphone, as a first user input of the first user;
• determine whether a second user input which is to be received subsequent to the first user input requires a private content, based on the first user input;
• based on a determination that the second user input requires the private content, activate the camera to obtain the image of the first user, as the second user input;
• and
• analyze the image of the first user to identify information contained in the second user input.