How do you do....it? Thread, How to Destroy Biometric Data in Technical; We are planning on a Cashless Catering system with Biometric readers. Does anyone else use a system like this? How ...
11th May 2012, 12:11 PM #1
How to Destroy Biometric Data
We are planning on a Cashless Catering system with Biometric readers. Does anyone else use a system like this? How do you deal with Biometric Data after the student leaves the school? Make the account inactive, delete or destroy? If its destroy how do you do it? All the data is held in a database so how do you go about destroying 1 record?
not sure what the regulations are but I had read somewhere that the Biometric Data should be destroyed.
Any pointers? (other than dont introduce it in the first place!!)
IDG Tech News
11th May 2012, 12:24 PM #2
States that "Biometric Data must also be destroyed when it is no longer needed".
If its one record in a database how do you "destroy it"? A deletion would not be the same thing.
11th May 2012, 09:03 PM #3
Talk to the vendor about it before handing over your money and possibly choose another vendor if they can't give a convincing answer.
Also ensure the SLT have read sections 26 - 28 of the Protections of Freedoms Act 2012 (they're not active yet and might not be until next year, but if you're implementing a new system I suggest you start off the way you will have to continue re. "consent management" and providing reasonable alternatives).
11th May 2012, 09:12 PM #4
Biostore is different, it doesn't actually store the fingerprint as a readable fingerprint. It stores it as a number/code, the fingerprint is read from the scanner converted to a number and the number is looked up on the system. Therefore when the students leave you actually only have a number/code which references there finger.
I'm not sure about the others though.
EDIT: Quote from Biostore site:
Does Biostore record images of fingers?
No. It is the policy of Biostore never to store images of fingers anywhere on their system. Only mathematical representations of certain points of interest are recorded, typically between ten and forty depending on the characteristics of the finger. This information is encrypted and is called a template. This data is extremely secure in its encrypted form but even if it were not encrypted it is impossible to recreate the original image of the finger from this data.
Last edited by glennda; 11th May 2012 at 09:13 PM.
11th May 2012, 09:42 PM #5
If Biostore is different does the Freedoms of Information Act 2012 (sections 26-28) still apply when it comes into force?
Also I still need to know how to destroy the data (NOT delete as that apparantly is not good enough). Biostore website mentions it is secure etc but not what happens when a student leaves and the data is no longer required. According to the ICO it should be destroyed.
11th May 2012, 09:51 PM #6
You will have to check with them. Bit technically its not storing biometric Information.
How do you define the difference between delete and destroy?
11th May 2012, 09:59 PM #7
To me a delete means the data is recoverable with certain specialist software but a destroy would destroy it. A parent has quoted the ICO website so I need to follow that and state how the data will be destroyed.
Originally Posted by glennda
I will contact the supplier on Monday and Biostore
11th May 2012, 10:07 PM #8
Sorry, but that's not different - templates are common to every system I've tripped over, they don't make the (legal) issues go away. For instance in that (rather dated) ICO doc:
A subset of the unique features of the fingerprint are extracted from a scanned image and converted into a biometric “template”. This template, a binary number, is checked against the template generated each time a person places his finger on the scanner. Full fingerprint images are not stored and it is extremely unlikely that a usable fingerprint image could be generated (“reverse engineered”) from the template.
You're 100% wrong. "Biometric information" is very abstract, here's the shiny new legal definition:
Bit technically its not storing biometric Information.
(2) “Biometric information” means information about a person’s physical or behavioural characteristics or features which—
(a) is capable of being used in order to establish or verify the identity of the person, and
(b) is obtained or recorded with the intention that it be used for the purposes of a biometric recognition system.
(3) Biometric information may, in particular, include—
(a) information about the skin pattern and other physical characteristics or features of a person’s fingers or palms,
(b) information about the features of an iris or any other part of the eye, and
(c) information about a person’s voice or handwriting.
(4) In subsection (2) “biometric recognition system” means a system which, by means of equipment operating automatically—
(a) obtains or records information about a person’s physical or behavioural characteristics or features, and
(b) compares the information with stored information that has previously been so obtained or recorded, or otherwise processes the information, for the purpose of establishing or verifying the identity of the person, or otherwise determining whether the person is recognised by the system.
It doesn't matter what happens between a fingerprint reader/iris scanner/whatever and the system deciding someone is Fred Bloggs.
Last edited by PiqueABoo; 11th May 2012 at 10:54 PM.
Reason: Dug out PFA 2012 definition
Thanks to PiqueABoo from:
GrumbleDook (11th May 2012)
14th May 2012, 03:16 PM #9
So in general it's a stupid law, why don't I have to "destroy" passwords? Or anything someone hand wrote, or any photos of someone, or their date of birth?
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