Questions tagged [trust]

A description of a state of benevolence that exists between two or more parties. A measurement of the confidence in a benign outcome of a transaction involving two or more parties.

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1answer
73 views

Google approach to device security (BeyondCorp): managed devices and inference engine

I'm reading the BeyondCorp papers and trying to get a very high level idea of how it could be implemented by a small to medium organisation, rather than a behemoth like Google. What kind of software ...
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1answer
159 views

Possible public/private identity recovery after compromise without a centeral authority?

I’ve been thinking about P2P systems using asymmetric keys and wondering if there is anyway to recover an identity in the event it was compromised using some kind of web-of-trust. This seems to be a ...
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Proving authenticity of data accessed over TLS by an untrusted third party

Is there any way an untrusted third party who has access to content from a website over HTTPS can prove the authenticity of the data (i.e. that it was distributed by a server in possession of a ...
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How does a GPG Keyserver deal with conflicting signatures?

Part of the web of trust of GPG is the use of Keyservers to publish/distribute versions of public keys. It's encouraged of course to sign public keys you trust so the the web may grow. How does a ...
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1answer
287 views

How trustworthy is KMSpico? [closed]

KMSpico is a very common tool to crack Windows. It is considered malware by many malware/virus detection programs. Even so, it is very popular as far as I've seen. Download links I found: https://...
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Macros and Trust Center Settings - Alternative Combo of Settings

I asked a question in the about enabling Macro's in the "Trust Center" and the security implications. I have now begun signing my projects with a "Code Signing" certificate and placed that certificate ...
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2answers
85 views

Understanding how clients handle incomplete certificate chains

How do clients (browser for example) handle a missing intermediate certificate? In the following answer it is explained that they download certificates or use cached certificates: https://security....
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1answer
72 views

Difference between Trust and Federation

In the context of Identity and Access Management, is my understanding that Trust is between directory services and Federation is between IdP servers correct? I have also come across terms that are ...
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128 views

Can developers stop their software from being flagged as malicious by AV products?

This may not be the correct community for this question, I apologize if that's the case. Scenario: A software development company has created a collection of small desktop applications. They have ...
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Azure AD subdomains best practice

I'm setting up an Azure AD subscription for a small retailer with 3 branches and a headquarters (100s of users in each). The branches are self-sufficient and intend to manage their own users. Users ...
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2answers
94 views

How can we avoid the Facebook SDK? General: Trusted forge for Android apps?

I know that privacy is dead etc, but I saw a presentation (Link: https://www.youtube.com/watch?v=OTt1AVRQyx0 )about developers of Android apps using the Facebook SDK for whatever reason in their ...
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1answer
46 views

why use a CA-signed key pair to encrypt SAML2 assertions?

I have a customer who insists upon using only certificate-authority signed key-pair certificates for encrypting SAML2 assertions. In this use case, I hold the private key in my Service Provider, and ...
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301 views

Can I blindly trust 127.0.0.1?

On my system (Ubuntu Server 18.04, if that matters) I have two servers. They are behind a Nginx reverse proxy (i.e. accessing service.mywebsite.com internaly proxies the request to 127.0.0.1:...
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8answers
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How can I re-use my password and still protect the password if it is exposed from one source?

I know that all servers should at least store my credentials as hash(password + salt) + salt, with a secure and well known hash function and a salt unique for me, generated from a secure and well ...
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2answers
486 views

How to Trust a Self-Signed Certificate

According to Why are self signed certificates not trusted and is there a way to make them trusted?, to trust a self-signed certificate we need to import the root certificate into the trust store of ...
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What are the differences of checking a self-signed certificate vs ignore it?

I'm doing an integration with a system that has a self-signed certificate. For initial development, we choose to ignore the certificate checking to bypass some errors: Exception in thread "main" ...
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2answers
156 views

TLS: Clarification on trust in the certificate trust chain

Suppose I have the following trust chain in my trust store: ROOT_CERT | |---INTERMEDIATE_CERT_1 | |---INTERMEDIATE_CERT_2 I know that any certificate that is signed by INTERMEDIATE_CERT_2 ...
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1answer
164 views

Consequences of trusting a PC from my iPhone

I just trusted my work PC (Windows 10) from my iPhone. I connected the phone via USB to charge it. I didn't open my iPhone 6 files from the PC. I didn't view any pictures and I unplugged it pretty ...
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How can I trust a GPG key when I download it based on the fingerprint contained in the file I want to verify?

The instructions at https://tutorials.ubuntu.com/tutorial/tutorial-how-to-verify-ubuntu#3 suggest that you can download an ISO for installing an OS, along with the checksums and a signature. You then ...
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1answer
114 views

SSO level of trust external identity providers

I'm wondering how much I should trust our clients and their SSO implementations. We have an identity provider set up for @our-domain.com and most users of that domain have a lot of rights in our ...
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2answers
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Is it safe to enable - Trust Access to the VBA object model - Microsoft Office

I am trying to run a VBS script which calls a macro and won't run unless I click "Trust Access to the VBA object model" in Microsoft Office Trust Center. I forget where I read it but I thought I read ...
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172 views

Is the zero trust approach really so safe? [closed]

Recently, I see so many emerging vendors that are advertising their use of zero-trust. What potential risks are we exposed to if we shift to zero-trust in our bank?
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How to sign a text in a way, so it can not be altered or split in parts unacknowledged

Given, I want to create a document (text-only for the sake of this question) and give it to someone I do not trust. I am not allowed to publish it myself. It's probably not going to be published (...
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How can I ensure that I can trust to OS?

How can I ensure that some OS can be trusted? I'm not speaking about possible security problems which can happen everywhere but about something like a backdoor left by a developer. Can such a thing ...
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3answers
384 views

Ken Thompson's compiler hack

I have gone through Ken Thompson's compiler hack paper; can't we just go through the compiler's source code and check for any backdoor, what was the article's point? Can we be sure that there are no ...
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2answers
461 views

Could someone recommend me a citable definition of honest but curious/semi-trusted?

As far as I know honest but curious or also called semi-trusted means that a client follows protocol but will try to learn as much information as possible, without actively “cheating”. Does anyone ...
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1answer
41 views

Can my machine be compromised if I use an outdated application and the input data is trusted?

Suppose I decide to use an outdated application for some reason: maybe I can't update it for compatibility reasons, or updates are not provided in the official repositories I use, or maybe I just don'...
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1answer
93 views

What guidelines can I follow to know if I can trust a software editor? [closed]

At work or at home, I often find some useful piece of software. Sometimes I may find it on a forum, mentioned on a video, or by talking to a colleague. But how do I know if the editor of the software ...
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Trust boundaries for webapps (vs desktop apps)

I am currently working on fixing some security problems with our webapp as reported by VeraCode. Some of these pertain to "trust boundaries", i.e, what inputs can be trusted. In some cases, our ...
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224 views

Relying on internal DNS server (Domain Controller) on a DMZ Server

A couple of questions regarding DNS traffic between TRUST and DMZ and best practices. Are there any significant risks in relying on internal DNS from a web server hosted in a DMZ zone? Has the DNS ...
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103 views

Is it desirable to obtain a brand ssl certificate for a password generator?

I need an advice. I have created a password generator, which creates strong passwords on local PC (its a Progressive Web App). But there is one problem: most site visitors are distrustful to the ...
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1answer
144 views

Deutsche Bank PhotoTan app signed with self-signed certificate?

Deutsche Bank recently started forcing its customers to switch their transaction authentication from iTAN to PhotoTAN. Now I wanted to verify the authenticity of the Android app like this: # ...
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1answer
239 views

Powershell says microsoft's own ps1 script is insecure, should I proceed with running the script?

I am trying to update Powershell to version 5.1 which I have downloaded directly from Microsoft's website. The download's are signed from Microsoft (although the signatures are expired by a few ...
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Why should I trust the OAuth Providers? [duplicate]

I am trying to understand how OAuth really works. So far I understood the workflow of the authentication process, but I don't get why it is that safe to use a third party OAuth provider. I mean they ...
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1answer
82 views

How does blockchain client trust other nodes?

If we consider any blockchain based system (bitcoin, for example), how does initial trust setup works? When a new user wants to join blockchain network, how does the client know that it talks to ...
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TPM and trust in cloud provider [closed]

I'm kinda unclear and confused ,i'm searching on the subject of trusted module platform and i can resume the main tpm's functions are: authentication functions, integrity measurement functions and ...
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1answer
384 views

Can mp3 files be malicious? [duplicate]

I have an old computer that I don't use for anything important or sensitive. I occasionally download music on this old computer and transfer the mp3 files from a usb onto my primary computer. These ...
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1answer
484 views

How does verifying the chain of trust for certificate based authentication work on the server side?

Right now I need to import the Root-CA's cert, the Intermediate-CA's cert and the Client cert on the client for it to be able to connect to the server. The server has access to the Root-CA's cert via ...
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1answer
36 views

Do I need to trust my Paas provider?

I am currently entering the world of deploying my web application to the cloud. While trying out Paas providers like heroku, I realized, that the platform has full access to my application. The ...
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1answer
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Must all ssl certificates for a domain be trusted?

I've read that it's possible to have multiple certificates on one domain. My question is whether all these certificates should be trusted and valid or whether one valid trusted certificate is enough ...
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How do I diagram a network node with multiple layers of trust?

If I'm communicating security and trust over a network, I might simply note trusted and untrusted nodes. For example, when making an HTTPS connection over some kind proxy node that I own and operate, ...
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3answers
230 views

Can TPM be used in the same way as TrustZone area?

Can I program the TPM chip to execute a piece of code securely just like executing code in the TrustZone area? In particular, the application will be running in the normal world, but parts of it ...
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1answer
73 views

External vendor has requested to join our Active Directory Domain

We've received a request from a vendor who wishes to join two computers from their network into our AD Domain. The vendor is proposing to provide a vertical application installed on their servers ...
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1answer
300 views

Preventing fraud in bitcoin mining pools [closed]

So bitcoin mining pools are very common, almost no one mines alone, because of the great difficulty in mining a block. So mining in a pool has pretty much been the standard. However, how do people ...
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1answer
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Restrict compilation to certain machines

I am a software developer in a big company. I just realised that I could technically clone the repository of my employers git repository. The infrastructure is in docker images. So technically this ...
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1answer
49 views

Processing sensitive user data on a server without the possibility of data theft?

I have written an application which I would like to offer via REST API to customers. In the task which is executed on the server there is some sensitive user data involved, e.g. the user's login to a ...
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1answer
641 views

How should I choose a trust model in GnuPG?

GnuPG offers a set of different trust models, but the manual isn't sufficient (for me at least) to figure out which one to use. Ideally, I would like a trust model that accepts the trust I explicitly ...
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1answer
121 views

Is RMI considered untrusted input even with TLS?

If an application has an RMI API that's used internally (servers communicating with one another), is the information coming from those calls considered trusted or validation is still required? I can'...
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3answers
119 views

Is blockchain security dependent on number of transactions in time?

I have a basic understanding of how blockchain technologies works. I know that in depends on the ledger where are transactions recorded and can be effectivelly verified. No one should be able to ...
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0answers
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Do iPhones contain a cryptographically secure authentication mechanism?

Firstly is it true that iPhones have a trusted execution environment that can be used to protect asymmetric key pairs for which the private portion of the key cannot be exported by any means other ...