Questions tagged [identity]

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

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Identifying devices in mobile app using UUID

I have a mobile application, for Android and iOS (both native), that communicates with the backend through a REST API (over HTTPS). The application allows users to sign in or use the app as a guest, ...
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1answer
66 views

If only SP (or IDP) uses Shibboleth in its SAML implementation, can the systems still communicate?

I was reading about Shibboleth's metadata -- https://wiki.shibboleth.net/confluence/display/CONCEPT/Metadata#Metadata-Use(andnon-use)ofMetadata , and how it's used to identify IDPs and service ...
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Checking authenticity of a mobile app (digital staff card) [duplicate]

I've been asked to implement a digital card for member's of our organisation, to replace the old plastic ones. Members would install our app on their phone and setup a "card" with their photo on it ...
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2answers
64 views

What prevents an identity provider from falsifying authorization in a SAML 2.0 flow?

I'm confused about something in the SAML 2.0 flow. When the initial access to the service provider is made, the service provider must first validate that the user indeed has access and so the service ...
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2answers
124 views

What's the point of a digital certificate for which no private key exists?

I am only using digital certificates to sign documents, and my understanding is that the correct flow is the following: create a private key (e.g. using openssl) create CSR using the previously ...
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1answer
262 views

Is it possible to “reverse engineer” identicons?

As shown in this question, default user avatars (like mine) are identicons and are generated with the user's email (where provided) or the user's IP address (where the email is not provided). Given ...
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1answer
78 views

How is Privileged identity management (PIM) different from privileged access management (PAM)?

I am very confused about those two, I was trying to understand the difference but it all sounds the same from what I read online.
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1answer
65 views

Data leakage in internet-only services

Nowadays, internet-only services became very popular, for example, direct bank and many others. The advantage of such services is you don't have to spend the time to get to the office in order to get ...
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29 views

Re-establish trust while minimizing persistent tokens

I'm trying to solve what appears to be a chicken-and-egg problem. When a machine appears on my network, how do I know that it is whom it asserts to be? Suppose, for instance, the host has an ...
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162 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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3answers
234 views

Drivers license required for online purchases

Problem I tried to buy a few things from a particular industry, and the sellers are independently all asking for a copy of my drivers license to verify that it matches the details on the card because ...
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21answers
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Are there unphotographable, but scannable ID cards?

We have a client who hosts an event, with a tight budget, that uses lanyarded Photo-ID cards with barcodes on them. The barcodes are used to gain access to various areas at the event. We were ...
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3answers
108 views

What is a simple and secure method to transfer virtual assets?

Consider a MMORPG where users own virtual assets like magical swords or rings that can be used by the player. This system needs a safe method for transferring assets from Alice to Bob. One ...
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2answers
187 views

Should things like project IDs, cloud region IDs etc be kept secret on an open source project?

All my side project are open source - just using the free Github account. I'm wondering about how security conscious I need to be about keep things like: Google Cloud Platform Project IDs Log ...
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2answers
192 views

Can your cell phone transmissions reveal your identity?

Is it feasible for hackers sitting near you to have some sort of RF listening device that uses your phone's transmissions to identify your name or other information that could be used to determine who ...
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1answer
71 views

How is AWS app identity verified?

So I get the notion of roles and service-linked roles and policies in AWS. However, all of that works only if the principal/identity (and I know there's a difference between the two, but using either ...
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What is the best way to track a logged in user?

We have a client/server app where the client is the browser running our JavaScript app and the server side is an ASP.NET app presenting a RESTful API. We presently have 1 instance of the server, but ...
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1answer
224 views

VoIP service requires a scanned copy of my passport

In the process of registering to Callcentric, they asked me a scanned copy of my passport. I already gave them my mobile number, where they could possibly make an interview, and of course they have ...
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2answers
108 views

Best practice on Windows domains: To have a separate admin account or not?

On Linux, we enforce least privilege through sudo. This gives the best of both worlds: Passwords and accounts are for a person, as they should be, not a role. But we lower risk and exposure by only ...
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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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10answers
22k views

Why use usernames and not just email addresses to identify users?

Why use usernames, and not just email addresses, to identify users? - What is the main concern or the main case when a security expert (which I'm not) should recommend inserting another layer of ...
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2answers
67 views

Is my (Chrome) email address available to websites when I'm logged into Chrome?

When I'm logged into Chrome (e.g. with my Gmail account) can websites view/obtain the email address associated with my Google/Chrome account? For example, as a means to "recognize" me?
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2answers
138 views

Someone is pretending to be me

Need some help! Someone has opened up an email account and is sending emails pretending to be me, to my office. They are asking for large invoices to be paid into a specific account. We realised ...
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0answers
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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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1answer
1k views

Implicit flow login from SPA

Looking at the implicit flow to login with https://github.com/IdentityModel/oidc-client-js and https://github.com/IdentityServer/IdentityServer4.Samples/tree/release/Quickstarts/7_JavaScriptClient . ...
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2answers
125 views

Should passwords and challenge questions & answers be migrated?

I am currently working on the migration of a user Identity and Access Management tool from a legacy platform (product + solution) to a new one (same product but upgraded + updated solution) My team ...
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1answer
375 views

Requiring e-mail from user when using ASP.NET Identity password reset features

I am implementing ASP.NET Core Identity with IdentityServer4. One feature is password reset, and I found that all the examples (e.g. the IdentityServer4 quick start and the ASP.NET Identity example) ...
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1answer
271 views

Why would a stranger keep signing up to trading sites with my email address?

I have read the answer below and understand that there is not much I can do about the basic problem of somebody signing up for newsletters and online services using my email address: Someone used my ...
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0answers
283 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 ...
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1answer
158 views

Accessing over a VPN both sites that know your real identity and sites you want to stay private from

Goal 1: access certain "anonymous" sites that you don't want to provide your real identity, IP or location to. Goal 2: access "regular" sites that do require or have your real identity, such as your ...
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1answer
214 views

Site asking for driver's license when buying items

I recently made a purchase on a website that asked for my Drivers license or government ID. I gave them a Drivers license photo I covered my license number and DD number but the license number can be ...
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1answer
123 views

How to verify the identity of a person with 100% certainty? [closed]

Nowadays there are lots of security things, eg: Digital signatures Certificates One Time Password devices like those used in home banking system But no one gives you the possibility to verify ...
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5answers
2k views

How to protect myself online from the government? [closed]

I need something trusted and secure. I need to make “onion layers security” with the most secure and hard to hack/crack software. How to protect yourself from the government on the internet? I’m ...
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1answer
41k views

What can be done with the last 4 digits of one's SSN [closed]

If a hacker were to get the last 4 digits of your SSN (and maybe some other info like name, etc), what could they do? To avoid the possibility that they could guess the other digits from date/...
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2answers
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Are Amazon AWS instanceIds security sensitive?

For troubleshooting, it's useful to include HTTP response headers that indicate proxy and backend EC2 instance ids, such as: X-Backend: i-8af67c92e0f3d89b6b X-Via: i-5b8146e7102940c75b-us-east-2b Is ...
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1answer
45 views

How do I get unique users signed up? [Canada or US] [closed]

Clients can win prizes on service and our team has to check their identity before giving prizes to them. Is there any way to collect photo ID while people signing up? Is it legal? Or there is some ...
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2answers
196 views

What is the safest way to identify a device without human action please?

I want to allow users of our website to restrict access to their account from devices they have explicitly authorized. This will be checked at the connection and each time the IP address changes. To ...
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2answers
99 views

Job Website Identity Verification

I signed up for work at a Job Website so I can do some freelance web development. They have an option where you can verify you are a US citizen so you can apply for jobs that people asked for US ...
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1answer
440 views

Can a Bitcoin Seller steal my Identity?

I was trying to buy some bitcoins on https://localbitcoins.com. However, the seller was looking for a copy of my ID and a photo of my debit card (long number covered). I'm curious as to how open ...
4
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2answers
640 views

Examples of Federated Identity Management, Third Party Identity Services and Single Sign-On

I am studying the domain of Identity and Access Management in CISSP, and I come across the three terms Federated Identity Management (FIM), Third Party Identity Services (3PIS) and Single Sign-On (SSO)...
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1answer
7k views

Gave scammers my name, date of birth, … What now? [duplicate]

I was contacted on a world wide exchange and chat site, on which the contactor (disguised as a normal, friendly person) wanted to be friends. They gave me their mail address. In their first e-mail ...
4
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1answer
200 views

Gravatar - Is it a security risk for medical forums?

If site forums use Gravatar, and the users are predominantly posting personal information about mental health issues, is this a security risk? Should the site consider turning off, or allowing opt ...
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0answers
79 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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1answer
840 views

Is there a risk with making my Device ID public?

When making a mobile app with ads, I am required to register my test phones as test devices by providing the Device ID. These Device IDs are unique to an individual phone. Is there any risk with ...
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5answers
5k views

Is it possible for someone to see under the “blacked out” part of this image (see below)?

Ok, so I sent some pictures to a journalist to report something I thought was noteworthy. However, one of the images contained my date of birth and other personal information so I blacked it out ...
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3answers
205 views

How to prove a user is actually the perpetrator of certain actions?

TL;DR : What is the best and most "by the book" way to accheive non repudiation of origin. I have a system in which users can perform actions (register/unregister/...) Those actions are signed by my ...
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1answer
531 views

Why is callerID spoofing not possible when using short codes?

The question is already in the headline: Why is callerID spoofing not possible when the destination number is a short code? Here for example the answer to the question if callerID spoofing is still ...
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3answers
431 views

How can apps deal with phone number recycling/reassignment when sending password resets?

Instagram lets users sign up with their phone number (verified by a pin sent via text), a username and password. Should you forget your password, you can request a link sent via text to your phone, to ...
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2answers
149 views

How to Verify the identity of another computer

So I'm building an application that is designed for sharing files across a local network, and eventually across the Internet. I want to have a system for verifying the identities of computers, ...
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0answers
129 views

What is the target hash for a certain security level in TeamSpeak 3? [closed]

In the VoIP software TeamSpeak 3 there are "security levels" to proof someone's identity. According to [this question][1], it is based on the proof-of-work algorithm Hashcash, generating hashes of a ...