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

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3
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4answers
298 views

Lock a website login to a certain computer

I've got a web based system where a specific site only shall be available on a certain computer. On that computer I have a desktop application. The desktop application and the website communicate ...
3
votes
2answers
57 views

What is the name for “imperfect” verification options?

Let's say users log into a system using a voice-print. Software can read the input from the microphone, compare it to the stored sample, and tell the user "There is a 97.5% similarity to the ...
3
votes
1answer
240 views

What are the benefits of federated identity management over bare bones public key encryption?

What are the main reasons for having a federated identity system such as OpenID over having identities based purely on a public key? OpenID uses an Identity Provider to confirm that a user owns a ...
3
votes
2answers
3k views

What is the exact difference between SAMLp and WS-Trust?

They seem to be similar on the surface, but I'm not sure how deep the differences are. Can someone explain to me the difference between SAMLp and WS-Trust? ADFSv2 gives me a choice between these ...
3
votes
1answer
891 views

Generating token for email validation and registration security

My boss gave me a list of 8K users in csv format and asking me to create accounts for them. The list have users with gmail, hotmail, and organization email addresses. I am using MVC 5 and ASP.NET ...
3
votes
3answers
418 views

Best practices for GPG user ids

What is the best practice for choosing GPG user id(s)? I've read various bits of advice, which sometimes even contradict each other. For instance, I've read that one should not use comments, because ...
3
votes
1answer
308 views

pro and cons of having 2 Identity providers

My company has applications on cloud and intranet. Also, we have various roles such as employee, customers, partners etc. We would like ID federation between services hosted on public cloud and ...
3
votes
0answers
35 views

A potential possibility of improvement of PKI for personal communications

In countries like Germany each citizen has an identity card that is issued by the registration authority. Since the identity of a citizen is, in a sense, created by that authority via assigning him ...
3
votes
1answer
248 views

SAML Assertion to Windows Identity (Kerberos token?) transformation

This is the scenario I need to cover: A WebService that trusts on an IdP using Ws-Trust or any thing like that, receives a SAML token to authenticate the user, and we need to call some SQL Server or ...
2
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3answers
18k views

Someone keeps using my email address. What to do?

I have had a GMail ever since it was created, so it's an email address that is easy to remember, but also easy for somebody else to get confused with. Since I'm not going to post my email address ...
2
votes
2answers
143 views

Is it possible to make a “proof of anteriority” for sites content?

Given a site that publishes unique content online and given that there are lots of site scrapers and persons stealing content and reposting it as their own, inevitably you will have the same content ...
2
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3answers
158 views

Email confirmation techniques in major sites

The way I understood traditionally for email confirmations to work is the user registers to the site with their email and then to login they must verify their email. If they have not verified ...
2
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3answers
323 views

Verify if person belongs to the claimed university through his university email id

I need to allow users access to an application after verifying that they belong to the claimed institute through university email id. So that if a person claims that he belongs to Stanford University, ...
2
votes
1answer
56 views

Identicon for SSL certificate

I have a few self-signed certificates that I use, and I find it tedious comparing the entire hex value of the hash when accepting it in a new location. To be honest I usually just look at the first ...
2
votes
2answers
33k views

Spam that comes from names in my address book, but not their email addresses

I've recently received two spam messages that show a possibly worrying degree of knowledge about my contacts, and I'm wondering how concerned I should be. Specifically, the names -- but not the email ...
2
votes
1answer
90 views

Find out the identity of the person that called you

I once heard that if a number that you don't know called you, you can access a website (that I don't remember now) that will call the number and make a recording of what the person said and send it to ...
2
votes
1answer
49 views

Does the modulus of a TLS certificate uniquely identify the client?

I'm working on a project using a trusted-peer setup. I want a way to uniquely identify each actor in the system, ideally across certificate re-issues as well. In my understanding, the modulus of a ...
2
votes
1answer
74 views

How good is confidentiality with physical mail forwarding companies? [closed]

I want to use a mail forwarding company that can receive mail for me and forward it to another address. I found many places that do this, but I am worried that eventually my stalker would find out ...
2
votes
2answers
182 views

Should every SAML identity provider provide a unique public certificate to the service provider?

When accepting public keys from someone setting up an identity provider for access to resources protected by a service provider using SAML 2.0, do you absolutely need to have a unique certificate? Is ...
2
votes
1answer
116 views

Why do websites ask for the last four digits of your social security number?

Quite a few websites, Coinbase and Stripe most notably, ask for the last four digits of your social security number to 'verify your identity'. Assuming these websites are not trying to fraud you, how ...
2
votes
2answers
72 views

What are proper security precautions when enabling multiple connected social accounts or login/authorization methods?

It is popular today for frameworks and social sites to enable multiple authorization options when creating websites. For example, allowing a user to login with GitHub, Twitter, Facebook, etc. In ...
2
votes
1answer
126 views

Where can I find articles about identity disclosure attack?

Where can I find more details about identity disclosure attack and it's prevention? If the adversary tries to steal the identity of an individual like mobile patterns and start appears in various ...
2
votes
0answers
34 views

Nation-state digital signatures - how is my public key linked to an identity? [duplicate]

A bitcoiner trying to understand the nation-states. When I use my eID (I'm swedish and I have 'BankID'), and I sign something with my private key that's in the 'eID-file' that I've got on my laptop, ...
1
vote
1answer
198 views

Gmail disclosing your account name to recipients? [closed]

My Gmail setting has forever been set to send emails with just my Gmail address as the identifier, so it should not send out my account name (first or last name)... or so I thought! Recently I got a ...
1
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5answers
141 views

Is there a term for Authorizing before Authenticating? Is it even common?

In most scenarios a person identifies who they are (authentication/AuthN) via something like a username and password. Afterwards a system would likely evaluate what that validated identity can perform ...
1
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3answers
120 views

How to prove ownership of a website?

We all know how banks identify themselves to users. No, not through TLS certificates. The users pay no attention to those. No, I'm talking about branding-- all those fancy logos and stock photos that ...
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2answers
69 views

A manual function for hasing identity?

I hope you won't close the question. Even though there are no computers involved, it is still about information and security, and I think that security experts are the ones who will be able to help ...
1
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1answer
93 views

Any known protocol for establishing trust between an inherently untrustworthy source and a server without a 3rd party?

Is there any kind of protocol, scheme, or theoretical paper out there that implements or examines the problem of establishing trust between two parties (communicating, listening) where the ...
1
vote
1answer
442 views

What does a Yadis / XRDS discovery session “look like” to the end user? How does it work? Is it relevant?

I can't wrap my head around how Yadis / XRDS would be used by a typical end user, or how it works so transparently? Considering that this technology isn't adopted by mainstream IDPs that makes me ...
1
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1answer
60 views

Is there any College, State or Government ID that transmits a offline verifiably encryptable data blob?

I'm looking for any way to digitally verify a user, ideally with a photo and link PII to that user. My use case is that a user will extract and send an encrypted data blob (say from a passport) to my ...
1
vote
2answers
109 views

Having a consistent “dont reveal email addresses of members” policy [duplicate]

Developers are dogmatic on having "invalid username or password" on login screens; our applications should not reveal if somebody is a member given an email address. But there are two other ways our ...
1
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1answer
389 views

Passport copy is being used to defraud others - what can I do?

I was an idiot and sent my passport and address to a scam artist I was hoping to rent an apartment from abroad. Luckily, I realized the trickery before sending anything else or any money. ...
1
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1answer
274 views

How does IIS persist identity credentials? Does it create any security issues?

We want to implement a feature similar to IIS in how it remembers user configured usernames and passwords. As I understand it, when you configure IIS to use a set of credentials for an app pool ...
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1answer
2k views

What are the potential vulnerabilities in a SAML-based SSO approach?

What level of access would an attacker need to obtain to compromise a SAML-based SSO system? Would stealing the private key used to sign SAML requests be enough? What if an attacker had root on the ...
1
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1answer
42 views

VPN multiple IP users anonymity

During a support conversation with my VPN provider, I asked specifically: "is it impossible to filter out a single VPN user since your IPs are in use by many?". The answer was yes, it is impossible. ...
1
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3answers
925 views

Can Paypal be used to verify a user's identity?

As I use my Paypal account for various online services, I noticed that vendors integrate differently with Paypal for on-demand payment, and scheduled payments. I also noticed that Paypal offers a ...
1
vote
1answer
83 views

How would a nation-state provide an API for its citizens to verify their legal identity online? [closed]

An official nation-state institution, like the Swedish Skatteverk, could easily let their citizens verify themselves online. O-auth tokens could be created by the nation-state institution, generated ...
0
votes
2answers
236 views

Why do file storage sites have a long unique id for their download links?

I'm creating a file storage site and what I would do is just have the download links format as: https://www.domain.com/[id]/[file name] //id would just be 1, 2, 3 etc. Dropbox and many others have ...
0
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2answers
3k views

How to prevent other hosts on the same LAN from seeing my IP and host name?

I want to hide my computer IP dan hostname when I am online on the same LAN on which other computers running netcut and other network tools. I have installed netcut defender but it seems not to hide ...
0
votes
4answers
1k views

Does Facebook merge accounts? In what circumstances? [closed]

I have two different Facebook accounts with two different passwords and two distinct online personalities, one as myself and one as someone else. Since the last one week, to my horror, both accounts ...
0
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2answers
53 views

How to steganograph ownership information into members uploaded images?

Considering a social website where members upload images which at times can be very similar - is there a way that images can be 'branded' steganographically with (salted+encrypted) text that ...
0
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2answers
73 views

Is there a way to prevent software from accessing hardware IDs?

I think this is related to this question, but I would like to know if there's also a way to prevent "third party" applications from seeing hardware IDs (motherboard, hard disks, and others), or giving ...
0
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2answers
231 views

Verifying users location & authenticity

I am builduing a business to business website, and users are able to sign up with a personal profile and create a business (like linkedin). I need to verify the following: Business Name ...
0
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1answer
285 views

Drawbacks of using ADFS for SSO for external users

Is there any drawback for creating a separate AD forest for external users of organization to authenticate them to access some web applications? Is there any performance and synchronization issues ...
0
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2answers
48 views

Is there any mail service accepting real id? [closed]

Most webmail services like gmail, facebook, yahoo,.. allow anonymous to create a mail address. If there is a security breach, user may lost important information on that address. They may add phone ...
0
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1answer
235 views

Is it safe to recycle unshredded credit card receipts?

Is it safe to recycle unshredded paper credit card receipts? Can identity theft be helped by data disclosed on most vendor's receipts?
0
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1answer
103 views

Encrypting important context vs data sets associated with context

I am looking for an example in the real world where only a portion of the entire data set is encrypted even though the entire data set is considered sensitive. Specifically the portion that gives ...
0
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1answer
821 views

How can I decrypt ADFS-based SAML/p or WS-Trust claims?

I'd like to audit the claims that are sent to a client from a SAML/p or WS-Trust authentication. What private keys do I need and how would I decrypt this information? If it makes any difference, I'm ...
0
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0answers
27 views

Trying to figure out the hashtype of this digest-auth htpasswd file

Simple question for y'all as i'm having some trouble identifying the hash type of this from a http digest file that I have setup for rutorrent on a apache2 server. Here's an example of what it looks ...
0
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1answer
38 views

Sharing sensitive information across servers on visits from the same browser

I have this scenario: Webserver domain A. Generates sensitive information when a request from a browser is received but this information is not disclosed to the browser. Webserver domain B. ...