One of the features that makes iPhone users envious of their Android counterparts is voice-based commands. You could very well speak everything that you wanted to type and it would be detected and appear on your screen with relative accuracy. However, this voice-based feature could also be used for malpractices. A study from Indiana University has revealed existence of a new trojan horse programme called Soundminer that could detect when you “say” your credit card numbers during a conversation or even type it on your phone's keypad.
The study says, "We implemented Soundminer on an Android phone and evaluated our technique using realistic phone conversation data." The study showed that an individual's credit card number can be reliably identified and stealthily disclosed. Therefore, the threat of such an attack is real, it said.
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