Although Apple has tried to allay security concerns around the iPhone 5S Touch ID fingerprint scanner (shown above), U.S. Sen. Al Franken is not satisfied.
The humorist-turned-politician sent an open letter to Apple CEO Tim Cook with a dozen questions on the privacy implications of Touch ID. The junior senator from Minnesota wrote that he hopes to “establish a public record” of how Apple has addressed these issues.
“[W]hile Apple’s new fingerprint reader, Touch ID, may improve certain aspects of mobile security, it also raises substantial privacy questions for Apple and for anyone who may use your products,” Franken wrote, noting that he personally owns an iPhone.
Among the questions Franken raises:
- Does Apple have plans to let third-party apps access the Touch ID system or its data?
- Does the iPhone 5S transmit any type of information, such as diagnostics, back to Apple or other parties?
- Is it possible to extract fingerprint data from an iPhone 5S, either remotely or in person?
- And does Apple consider fingerprint data to be “subscriber information” or a “tangible thing,” thereby susceptible to being collected by the FBI as part of a national security investigation?
Some answers
Apple has, in a sense, answered some of Franken’s questions already. At its press conference last week, Apple noted that fingerprint data is stored locally, not in the cloud, and that this data is encrypted within the phone’s processor. Apple has said that third-party apps can’t access fingerprint data, but hasn’t said whether these apps will be able to use Touch ID in the future.
An Apple spokesman also told the Wall Street Journal that Touch ID doesn’t store actual fingerprint images, just “fingerprint data.” That means hackers would have a tough time reverse-engineering fingerprints even if they had access to the iPhone’s encrypted processor. (That’s not stopping them; quite a number of parties have pooled together to provide a bounty for whoever manages to hack Touch ID.)
Still, it’s understandable that Franken would want to get Apple on the record with clear answers to privacy questions. Although fingerprint scanning isn’t new, the popularity of the iPhone means it’s about to become a lot more accessible. The questions are worth asking even if most users will never be affected by security issues. Whether Apple feels compelled to respond to Franken is another question.
In the meantime, there’s an easy solution for users who are unnerved by Touch ID: Simply don’t set it up, and use a PIN instead.
source : techhive
You can read Franken's letter to Apple below and download a copy here.
September 19, 2013Mr. Tim Cook, CEO
Apple, Inc.
1 Infinite Loop
Cupertino, CA
Dear Mr. Cook:
I am writing regarding Apple's recent inclusion of a fingerprint reader on the new iPhone 5S. Apple has long been a leading innovator of mobile technology; I myself own an iPhone. At the same time, while Apple's new fingerprint reader, Touch ID, may improve certain aspects of mobile security, it also raises substantial privacy questions for Apple and for anyone who may use your products. In writing you on this subject, I am seeking to establish a public record of how Apple has addressed these issues internally and in its rollout of this technology to millions of my constituents and other Americans.
Too many people don't protect their smartphones with a password or PIN. I anticipate that Apple's fingerprint reader will in fact make iPhone 5S owners more likely to secure their smartphones. But there are reasons to think that an individual's fingerprint is not "one of the best passwords in the world," as an Apple promotional video suggests.
Passwords are secret and dynamic; fingerprints are public and permanent. If you don't tell anyone your password, no one will know what it is. If someone hacks your password, you can change it—as many times as you want. You can't change your fingerprints. You have only ten of them. And you leave them on everything you touch; they are definitely not a secret. What's more, a password doesn't uniquely identify its owner—a fingerprint does. Let me put it this way: if hackers get a hold of your thumbprint, they could use it to identify and impersonate you for the rest of your life.
It's clear to me that Apple has worked hard to secure this technology and implement it responsibly. The iPhone 5S reportedly stores fingerprint data locally "on the chip" and in an encrypted format. It also blocks third-party apps from accessing Touch ID. Yet important questions remain about how this technology works, Apple's future plans for this technology, and the legal protections that Apple will afford it. I should add that regardless of how carefully Apple implements fingerprint technology, this decision will surely pave the way for its peers and smaller competitors to adopt biometric technology, with varying protections for privacy.
I respectfully request that Apple provide answers to the following questions:
(1) Is it possible to convert locally-stored fingerprint data into a digital or visual format that can be used by third parties?
(2) Is it possible to extract and obtain fingerprint data from an iPhone? If so, can this be done remotely, or with physical access to the device?
(3) In 2011, security researchers discovered that iPhones were saving an unencrypted file containing detailed historical location information on the computers used to back up the device. Will fingerprint data be backed up to a user's computer?
(4) Does the iPhone 5S transmit any diagnostic information about the Touch ID system to Apple or any other party? If so, what information is transmitted?
(5) How exactly do iTunes, iBooks and the App Store interact with Touch ID? What information is collected by those apps from the Touch ID system, and what information is collected by Apple associated with those interactions, including identifiers or hashes related to the fingerprint data?
(6) Does Apple have any plans to allow any third party applications access to the Touch ID system or its fingerprint data?
(7) Can Apple assure its users that it will never share their fingerprint data, along with tools or other information necessary to extract or manipulate the iPhone fingerprint data, with any commercial third party?
(8) Can Apple assure its users that it will never share their fingerprint files, along with tools or other information necessary to extract or manipulate the iPhone fingerprint data, with any government, absent appropriate legal authority and process?
(9) Under American privacy law, law enforcement agencies cannot compel companies to disclose the "contents" of communications without a warrant, and companies cannot share that information with third parties without customer consent. However, the "record[s] or other information pertaining to a subscriber... or customer" can be freely disclosed to any third party without customer consent, and can be disclosed to law enforcement upon issuance of a non-probable cause court order. Moreover, a "subscriber number or identity" can be disclosed to the government with a simple subpoena. See generally 18 U.S.C. § 2702-2703
Does Apple consider fingerprint data to be the "contents" of communications, customer or subscriber records, or a "subscriber number or identity" as defined in the Stored Communications Act?(10) Under American intelligence law, the Federal Bureau of Investigation can seek an order requiring the production of "any tangible thing[] (including books, records, papers, documents, and other items)" if they are deemed relevant to certain foreign intelligence investigations. See 50 U.S.C. § 1861.
Does Apple consider fingerprint data to be "tangible things" as defined in the USA PATRIOT Act?(11) Under American intelligence law, the Federal Bureau of Investigation can unilaterally issue a National Security Letter that compels telecommunications providers to disclose "subscriber information" or "electronic communication transactional records in its custody or possession." National Security Letters typically contain a gag order, meaning that recipients cannot disclose that they received the letter. See, e.g., 18 U.S.C. § 2709.
Does Apple consider fingerprint data to be "subscriber information" or "electronic communication transactional records" as defined in the Stored Communications Act?(12) Does Apple believe that users have a reasonable expectation of privacy in fingerprint data they provide to Touch ID?
Thank you for your time and attention to these questions. I ask that Apple answer these questions within a month of receiving this letter.
Sincerely,
Al Franken
Chairman, Senate Judiciary Subcommittee
on Privacy, Technology and the Law
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