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
46 views

Are reproducible builds practically possible on major app stores?

'Reproducible builds' ensure that a published app matches the published open source code. This answer gives some great information on it. But numerous sources1,2 indicate reproducible builds are very ...
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128 views

Can I trust opera browser free VPN?

When traffic leaves the VPN, the operator of the VPN server can see the websites I'm accessing. Opera browser has a free VPN. Can I trust this VPN? https://www.opera.com/features/free-vpn
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Is `gpg --refresh-keys` secure and where is this documented?

From the gpg manual: --refresh-keys Request updates from a keyserver for keys that already exist on the local keyring. This is useful for updating a key with the latest signatures, user IDs, etc. ...
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65 views

Academic/Campus WiFi Security - Setup: Open

At CERN the WiFi used, is not using any encryption. This means that it is a plain, standard Wi-Fi network with no authentication. However, it is mandatory to register each device when first connecting ...
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1answer
67 views

who should create a CSR, the developer or system management? [closed]

I am developing an internal web application. I think it would be a good idea to secure the local web server with an https certificate. I read several postings recommending certificates on local ...
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1answer
67 views

In what ways can you trust a third party server with your data? [closed]

What can you do that will make it easier for you to trust a third-party server? For example, using Intel sgx enclaves.
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1answer
50 views

how end certificate refers to intermediate certificate

As far as i know certificate chain is accomplished based on the issuer's CA name. It is possible that the algorithm to create certificate chain first reads end-certificate's issuer area and get the ...
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1answer
160 views

Validity, Owner Trust, Trust Signatures & Certification Level

Two questions on signatures. I am trying to understand the various types of "trust signature". The man page says, "For more information please read the sections “Trust Signature” and “...
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3answers
217 views

Zero Knowledge Proof of ownership of an email address

Let's say that we want to develop a blogging service where only people with an @example.com email can contribute. Prior to post submission, the user requests that a large random token be generated by ...
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1answer
86 views

In an Arm TrustZone based Trusted Application (TA), how can a remote party tie an output to a particular TA?

I've been looking at the following figure which shows, with Arm TrustZone architecture, resources of a system can be divided into a Rich Execution Environment (REE) and a Trusted Execution Environment ...
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1answer
80 views

Is uncompromisable obfuscated x86-64 execution possible?

I have a problem which has several layers; Provide a distributed computing plane where actors can voluntarily add and remove computing resources from, the actors are untrusted by default, and thus ...
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1answer
78 views

How to bootstrap trust in an on-premise environment?

As part of moving from few on-premise monoliths to multiple on-premise microservices, I'm trying to improve the situation where database passwords and other credentials are stored in configuration ...
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0answers
51 views

Generating trusted random numbers for a group?

Alice and Bob need to share some cryptographically-secure random numbers. Alice does not trust Bob, and Bob does not trust Alice. Clearly, if Alice generates some numbers, and hands them to Bob, Bob ...
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3answers
80 views

Password checking process for common websites

This will seem like a very basic question, but I wanted to make sure I don't miss something. When you enter your password in a login page and you press enter, what exactly happens right after until ...
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1answer
69 views

Risk of specific changes to the “Trusted” security zone

Our EDI VAN provides software to transmit sensitive customer and business data between our ERP and their website. This software requires that I add several URLs (including one plain HTTP) to the "...
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0answers
63 views

“Trusted memory” What does it mean?

It is often cited "to load from untrusted memory to a trusted system memory" when describing the secure boot process. I wonder, when can we consider a memory as "trusted"?
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1answer
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Why, with such insanely powerful computers, are no efforts to speak of spent on security? [closed]

The only technology "news" I ever hear about go on about "performance this" and "performance that". I haven't felt that my computer was "slow" since the 1990s. 20 years ago. Yet this is the only thing ...
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1answer
99 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
179 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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1answer
65 views

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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0answers
67 views

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
5k 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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2answers
101 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
250 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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0answers
158 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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2answers
160 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
60 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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2answers
326 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
6k views

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
976 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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4answers
4k views

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
323 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
214 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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0answers
226 views

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
134 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
971 views

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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1answer
204 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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2answers
87 views

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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2answers
131 views

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
448 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
1k 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
42 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
162 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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0answers
103 views

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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1answer
399 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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1answer
104 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
159 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
423 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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1answer
90 views

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
85 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 ...