No, you´re not mistaken. That´s only one of the potential risks.What if a phishing scam convinces you to enter in your fingerprint and now they have that data. Couldn't that information now be used to hack all of your accounts. Not to mention you can't change the data of your fingerprint like you can with a password. It seems like you are now forever vulnerable. Any thoughts? Am I mistaken?
If it´s like current Apple technologies, Apple will provide an API that handles the I/O and encrypts/decrypts your fingerprint data, so potentially, that API could always be misused. Personally, I would only use this feature if Apple provides me with enough information that tells me how exactly they are encrypting and storing these fingerprints. They also need to provide info that no one else other than me can access and decrypt it.
Apple has hopefully cleared the use of the fingerprint sensors with countries that are in the EU, especially Germany. Also, if you introduce fingerprint sensors into your products, there must be an option to turn that sensor off and everyone that enables that features needs to be informed about the potential risks.
The vast amount of people have absolutely no idea how much security problems could arise with this. Young people nowadays grow up with the notion that personal data doesn´t need to be protected, they give all their personal data to facebook, twitter, google, etc. and are just stupidly naive. Now, companies also get access to fingerprints. Where does it stop?
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