63. The practice of embedding a message in a document, image, video or sound recording so that its very existence is hidden is called?

Вариант ответа 1 - A. Anonymity.

Вариант ответа 2 - B. Steganography.

Вариант ответа 3 - C. Shielding.

Вариант ответа 4 - D. Data diddling.