Questions tagged [identity]
Identity is the property of an object which allows it to be uniquely specified.
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Prove The Identity of Author Using GPG On Demand
Given a situation where I want to be anonymous by default, how can I use GPG to prove that I'm the original author once, on-demand, and for a specific user?
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interchangeable IDs for login under PCI DSS like Facebook and Twitter
Is using multiple interchangeable IDs a PCI DSS complaint? Facebook and Twitter uses the same method for sign in.
multiple interchangeable IDs such as sign in with email or mobile or username.
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Using fingerprints everywhere to identify at physical, ID required, places
I was wondering why people can't just use fingerprints to retrieve all necessary documents where required.
What would be the problem with such form of authentication, which could be used via ...
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Is there any benefit to normalize unicode/utf-8 names that I am overlooking?
Reading how Spotify was normalizing unicode inconsistently, and now I'm questioning if I am overlooking any issue on accepting non-normalized usernames.
From what I can tell, lowercase was first used ...
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Online stores asking for ID and credit card images [duplicate]
Is it okay for online retailers to ask for an image of my credit card and my ID to validate my authority to use a credit card?
While they are allowed to ask for those images, that actually directly ...
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Why the Active Directory App created using Visual Studio does not have any "Certificate & Secrets".. is this fine?
I created a new ASP.NET Core 6.0 MVC web application, and I define it to use Azure AD for authentication, as follows:
Then I was asked to create an owned application, so I created one named "ad&...
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Are SHA-256 hashes of user emails guaranteed to be unique?
I'm working on a website that will require users to insert a valid email address, which will work as their unique user id. This email will not be used for communicating with the user, it is only ever ...
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How can I get & keep an unauthorized user out of my network? [closed]
I have replaced hardware, equipment, and passwords. I think they are in Yahoo, Microsoft, phone, and laptop. I have changed all with no success. They use my identity as the temporary ID from Microsoft ...
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What are the security risks of only using an id in the url to protect the content?
I'm building a note-taking app, when a user writes a note an id is generated and I redirect them to a page where they can see its content with a URL like /note/DXSt832pS5iLuos6uxBn. What are the ...
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Questions on user context and auditing for background job execution for SaaS application
I have some questions related with user context and auditing for background job execution for SaaS application.
Let's say an admin user scheduled a background job through UI. When the job start ...
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How can websites fingerprint the company I work for?
During my work day, I came upon a website that had a popup that identified the company I work for(basically saying "contact us X company"). This website was never previously visited, cookies ...
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OAuth 2.0 POST to Authorization Endpoint
The OAuth 2.0 specification states:
The authorization server MUST support the use of the HTTP "GET" method [RFC2616] for the authorization endpoint and MAY support the use of the "POST&...
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Security aspects in SAML2 using configuration with metadata URI
I have an app where I may choose to configure SAML2 login in the app with:
Public cert of IdP
IdP SAML2 login URL
IdP entity ID
I may also choose to, instead, provide an HTTPS metadata URL from ...
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Auth0 token exchange vs Google Firebase token exchange
I'm researching our options for securing access to a single-page web app and a mobile app. The apps communicate with a REST API which, based on the authenticated user's identity, will return ...
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Compiler that adds machine info to binary
Wanted to ask if there is any compiler (any known programming language) that is actually encoding machine data into binary, so it is possible to detect the machine where the program has been compiled (...
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Can a remote user (logged into my computer via LogMeIn) capture my password as I log into a website?
I work for a large company with IT support that uses LogMeIn to take control of our PCs when troubleshooting. Today while being assisted I was asked to log into an internal website during a LogMeIn ...
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How can one avoid being identified by facial recognition in a public setting?
Facial recognition is ubiquitous and methods like disguises, surgical masks and makeup are becoming ineffective owing to the improvement in algorithms.
In light of these advances, what are some ...
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Use-case for decentralized identifiers (DIDs) with unique identities for each relationship
The W3C working group is working on the standardization of Decentralized Identifiers (DIDs). I watched a video presentation about DIDs and the presenter mentioned several times the possibility of ...
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Send a Picture of my ID and a selfie of me holding it to a Questionable Website
Some website asked for the verification of my identity to make a purchase of online goods. I didn't think twice and send them a picture of both sides of my country's ID (not USA) and a selfie holding ...
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How is identity implemented?
When I join an organization or create a Gmail account, I am given an identity.
What does the organization do to create my identity? Does it just create new pair of public key and private key?
I tried ...
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Why don't security conscious websites use a combination of private unique identifier and password to secure their logins?
To be clear when I say "private unique identifier" I mean an identifier, which is not stored on the database for the website, it would be hashed in combination with the password and a good ...
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Can hardware identifcation be evaded/spoofed?
If I'm not wrong, one of the many ways companies track and collect data of people through the internet is by identifying their hardware. Getting the monitor resolution, figuring what CPU it is, etc. ...
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Should or shouldn't I show a serial number, MAC address and other product ID when I sell it online?
I want to sell online some of the electronic stuff that I don't need anymore, such as my ASUS Wi-Fi router, and I'm wondering when I upload photos of it should I leave its serial number, MAC address, ...
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Validate that Web Service is authentic
If I have a web service (REST API, RPC, etc) that I open source, how can I prove to the user that the service they are connecting with is indeed the same one whose source I published. I am envisioning ...
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What are the risk of providing identity in my application, rather than using a provider?
In our multi tenant SaaS software application we intended to use Microsoft Identity Platform (Azure AD) for user authentication and providing the claims for authorization within the application. We ...
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Risks of Providing a Passport Number
Company A pays company B for enterprise software. Company A hosts it internally. An employee from company B needs access to servers at company A in order to manage said software
Company A is ...
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Verifying the security of SAML SSO
I run an instance of a log aggregation product in the cloud, installed on a VM. I've strictly configured it's networking settings, internal firewall, internal port redirection, strong admin password, ...
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Identification through digital signature. How safe is it?
Let's say I want to give some data to Bob. I have his public key. I tell him to generate a digital signature for text "{some_stuff: 1, nonce: 2}". After he does that and after I verify it's ...
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Are there security reasons for prohibiting universal mac address modification?
Background
In a standard 48-bit MAC address, the 7th (most significant) bit specifies whether it is a universally-administered address (UAA) or a locally-administered address (LAA).
If it is 0, then ...
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Randomly generating invoice IDs
I'm in the process of setting up a local (i.e. offline and very limited) business, and I'm thinking of generating invoice IDs randomly to avoid the clients knowing that they're customer number #...
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Why to use username and password instead of just a long password? [duplicate]
Why do most websites use the pair of username and password as we can just use a long password like a token to identify a user?
A simple example: On the server, we create a JSON file with user data ...
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What is the difference between the many identifiers in GnuPG?
GnuPG seems to have number of different ways to refer to a (sub)key(pair):
Key IDs
Fingerprints
Keygrips
Additionally, gpg --list-sigs seems to show hexadecimal identifiers for signatures and such ...
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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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Can name and date of birth be hashed somehow to generate a secure identifier?
I'm working on a project which we intend to launch for developing countries, and, as a result, want to limit the amount of information needed for login and identification, while still maintaining ...
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Possible to verify someone is a real person without direct connection?
I think the following is not possible, but I have no proof and would like to find out wether it is possible or not.
Let's say in a network, every participant cannot connect to each other participant ...
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Proving a software deployment's origin sourcecode [duplicate]
Is there a mechnism that can ensure a deployment (server that can give https responses) is built from the actual (public) sourcecode provided by another https URL?
sourcecode
from commit #10020 at ...
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Sending credit history report to potential landlord
I have a credit report from TransUnion that contains:
My real name, current and past addresses
Current and past credit card accounts, last 12 monthly balances and payments
My past mortgage
Past ...
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Handling of 3rd party OAuth2 tokens
after some extensive research I still don't know how to properly implement the following case. I think this question answers something similar, but I'm not 100% sure (Should client have access to 3rd ...
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How did a website make an accurate assumption of my identity in incognito mode? [duplicate]
What piece of information can websites retrieve that would allow for later identification without cookies?
Intro Out of interest I jumped into the rabbit hole of online marketing scams. The site I ...
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Uniquely identify each mobile phone of Android 10 / 9 and below
Background:
I have an Android APP with millions of users, but some users are malicious users (robot, fake, privilege escaped, etc). The common solution is to detect & block those "bad" accounts ...
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Could you store your passwords in a phone app governed by a QR code?
I had an idea a little while back to have an ID card with a QR code on it that you kept in your wallet. When you want to access your passwords (view them directly), you need your ID card and to scan ...
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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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Is there anything like a standard GUID to identify a PC?
I am asked about my opinion in a case as follows:
Someone visited a (totally legal, in fact US government) website A and identified themselves. At a very different point in time they - allegedly - ...
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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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How to Prove you created Intellectual Property (IP) using a Notary
Say you created some IP in the form of some files. How do you prove that you created the IP, in a theoretical cryptographic sense? A major constraint is to maintain security as well, so you can't just ...
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Samba and verifying server identity
Suppose that I have two Windows 10 (Professional edition) computers, one (PC) sharing a folder and second one (notebook) copying data to the shared folder automatically. I would like to prevent ...
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Is there any way to alter a caller's voice just enough to make voice recognition impossible?
I did search and found this post:
Is it possible to identify mobile phone user with voice recognition
It does not answer my question, however.
Is there any way to alter a person's voice just enough ...
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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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How can I challenge an attacker to reliably identify their hardware? [closed]
I distribute a client application where I would like to identify a user's hardware specifications when they begin interacting with my server. I am specifically interested in identifying the user's GPU ...
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Potential Risks Using Reference Code Based Authentication For Web Based Application Form That Contains SSN
I'm currently building a web based membership application form that will require a user to enter an SSN and other identifiable information. Part of the requirements of the membership application is to ...
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