A U.S. lawmaker wants to know whether the Touch ID fingerprint reader in Apple's iPhone 5S has adequate controls to protect the personal data of users.In a letter to Apple CEO Tim Cook, Sen. Al Franken (D-Minn.) sought answers to a set of detailed questions on whether the technology includes controls for securing fingerprint data and whether the company has any undisclosed plans to share the data.While Touch ID could improve certain aspects of mobile security, it also raises "substantial privacy questions" said Franken, chairman of the Senate Judiciary Subcommittee on Privacy, Technology and the Law.In the letter, Franken told Cook that he is "seeking to establish a public record of how Apple has addressed these issues internally and in its rollout of this technology."Apple didn't respond to Computerworld's request for comment on Franken's concerns.Apple's Touch ID is a fingerprint-based au
