Questions tagged [identity]

Identity is the property of an object which allows it to be uniquely specified.

13 questions with no upvoted or accepted answers
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How do (broadcast-only/passive) RFID licence plates assert their identity?

I would have guessed by some kind of challenge-response, but there seem to be many claims of 'passive' or 'broadcast-only' tags in the plates. For example from http://www.e-plate.com/security.html: ...
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117 views

What business identifiers are considered non-public, and should not be disclosed?

I am setting up a corporation in the US and UK and am presented with a EIN for the US, and VAT Reg. Number. for the EU. Somewhere in the piles of documentation I have been reading, I read that the D&...
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119 views

Is there any privacy- or security-relevant difference between FIDO2 and SQRL

I just learned about FIDO2 (WebAuthn) and try to make a comparison to the lesser-known novel SQRL authentication scheme. Both seem to use the same key elements: a private, user-resident "master key" ...
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Does photo fingerprinting (using metadata) allow to search all photos on internet made by the same user (privacy issue)?

Browser fingerprinting is well-known: since a client gives many HTTP attributes/Javascript attributes during a website visit, the probability that two users have the same exact values for all this ...
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262 views

How to defend against adblock detection/adblock subscription leaks?

Is there a best practice (or useful extension) for defending against adblock fingerprinting techniques? I'm not asking about how to bypass adblock detection as such, but rather how one might appear ...
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426 views

Mobile Device identification best practices

When mobile app connects to back-end and requests the data, back-end should be sure that requestor is one it pretends to be. So, we need some way to securely identify the app on a device. While ...
2
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83 views

Security implications of owning a German electronic ID card

I am German and about to renew my ID card. Since around 2010, the new ID cards contain an electronic chip that can be used for e.g. online authentication. If I understood the documentation correctly,...
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156 views

How does Adobe Pass Auto-Authentication work?

At time marker 2:05 of this video, he describes that Adobe Pass can automatically identify you based on your broadband provider, and sign you in/authorize you for media content. Can anyone describe ...
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1answer
60 views

What is the best way to verify email address or phone number during call centre sale?

My company sells products through calls. During the calls a customers PII is collected and used to create the product. This PII includes email. After the product is created, we email the customer a ...
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45 views

Security concerns in cookie exporting between browsers

I'm wondering why Facebook is not handling the cookie export between browsers and related security concerns. This will be worst when they are using the "remember me" option as the cookies will be ...
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73 views

Where is the ID chip in this card?

I recently attended a Salesforce World Tour. As part of being identifiable and being marketable you get this ID card that the exhibitors scan, so that they can get your name, company, email and ...
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123 views

What is delegation, identity delegation, and delegated authorization, and what are the differences among them?

I've been writing up a guide to OAuth 2.0, OpenID Connect, and Identity Server 4 mostly for my own learning, drawing on several sources such as OAuth2 In Action, OAuth 2.0 Simplified, and CISSP: A ...
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167 views

How can I know if any cell phones other than a given set are turned on in the nearby area?

I am searching for a solution to identify phones simply by the signals it emits. Imagine a signal receiver in a room, then I want to know which people are using phones nearby. I don't care what they ...