Spying on Cellphone Calls Is 'Child's Play'
It now appears that the compromised phone, unbeknownst to the user, simply creates a three way conference call with the attacker for every call made and received. Scary! German security company, SecurStar, claimed to have uncovered the first serious threat to the security of cellphone conversations, saying that "Simply by sending an invisible and unnoticeable SMS message to a particular cellphone, spying on cell phone users has become child's play."