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.

learn more… | top users | synonyms

4
votes
1answer
27 views

Why does a web site operator need to trust an openid provider?

I am working on a web site and am considering using OpenID for authentication. The site will have some low cost ($3-$5) premium services, but will not be protecting particularly sensitive user data, ...
0
votes
1answer
116 views

Can I rely on encrypted cloud services like Mega? [closed]

The Mega site claims that all submitted files are encrypted upon upload and decrypted upon download, and at no moment have they any knowledge of the decrypted contents. (I assume others sites do it ...
0
votes
1answer
20 views

One user ID of a trusted key has unknown trust

I observed today that Thunderbird/Enigmail (24.2.0/1.6) does not allow me to select a key for encrypting mails to one of the addresses associated with the key, even though others work. Help sites ...
2
votes
1answer
58 views

Dynamic vs Static root of trust

In TCG specification (for TPM devices) they specify how a static root of trust can be built up using secure boot and trusted boot. An alternative method appears to be Intel's Dynamic boot using their ...
-1
votes
2answers
69 views

How to use encryption on proprietary software

I wonder if it's possible to develop a secure point to point encryption application (a pgp message application for example) on a proprietary software. If such an application was developed, let say on ...
2
votes
2answers
78 views

GPG key trust after a signing party

I might be totally misunderstanding the concept of web-of-trust, but imagine the following scenario: I generate my key, then go to a key signing party, and after, I import all the keys which ...
1
vote
0answers
27 views

Is there a theorem that states “whatever can be done with trust can be done without”?

I remember hearing something like this when I first learned the protocols that removed the need of a trusted third party, but I can't find this theorem or "law" anywhere. Any pointers?
10
votes
2answers
1k views

Apparently PayPal-affiliated site with very suspect security

History I got an email this afternoon to my gmail from "paypal@e.paypal.com" with mailed-by: na.e.paypal.com and signed-by: e.paypal.com. Gmail did not report it as spam/phishing/suspicious and it ...
5
votes
3answers
94 views

How to trust ICs?

While it is theoretically possible to thoroughly examine the source code of Open Source Software to check for backdoors (neglecting a Ken Thompson hack), and given sufficiently adequate knowledge in ...
5
votes
2answers
260 views

TPM- Symmetric key storage

I understand that the TPM can be used to store an unlimited number of keys. However I am left with a few questions: Presuming the TPM is connected on the LPC what protects the data travelling across ...
1
vote
3answers
215 views

Should I trust my bank after this [closed]

I have just discovered that I can login to my bank with passwords that is not mine. Example: My password is "1234" but I am authorized with all possible post characters. For example "12345" or ...
3
votes
3answers
302 views

Backup personal email on VPS - privacy, security and trust risks

FastMail.fm hosts my personal email account. Now they claim to have reliable backup services, but I'd like to have my own copy of my email archives. What I'd like to do is back up to my VPS, which ...
3
votes
1answer
78 views

Validating correctness amongst untrusted answers

I'm toying around a distributed computing project. The client application asks for a problem to solve. The server returns a problem description from a "problems pool". When the client finishes, it ...
2
votes
2answers
150 views

Trust vs Reputation

There is a lot of academic papers that use trust and reputation in an interchangeably manner. Is there any clear and concrete definition to distinguish these two terms in various contexts? Is these ...
3
votes
1answer
107 views

Who watches the watchmen? User empowerment over firewall behaviour on a personal computer

I've been exploring the gamut of free Windows firewall applications recently and have encountered the following problem: The better firewalls are excellent at stopping other apps from phoning home ...
0
votes
0answers
34 views

How can one Build a Chain of trust using TPM? [duplicate]

How to establish a Sound chain of trust built on one's platform? like: BIOS ==> Boot loader ==> OS ==> Applications Is there any readily available tool to do this?
3
votes
1answer
908 views

Hiding backdoors in Open Source code in other languages than C and C++?

I am referring to The Underhanded C Contest and Hiding Backdoors in plain sight. They demonstrate, that you can with some cleverness, write Open Source code, publish the code and hide a backdoor in ...
5
votes
1answer
868 views

What is the exact meaning of this gpg output regarding trust?

When I import signatures or receive a key with gpg, it outputs some cryptic lines like: gpg: 3 marginal(s) needed, 1 complete(s) needed, PGP trust model gpg: depth: 0 valid: 1 signed: 16 trust: ...
-1
votes
2answers
131 views

How can we trust the tools? [closed]

There is a lot of tools out there to do a lot of things with, like sniffing, scanning, and even backdoors. However, I have a really hard time trusting these tools. When I install them at home and ...
3
votes
1answer
193 views

Should I trust and play every embedded video on Facebook?

Regarding to trusted sites like YouTube, should I trust other videos when embedded to Facebook, usually, when user shares a link a thumbnail image will be created and previewed, then, we need only to ...
0
votes
1answer
125 views

Allow read-only access to server-side pages for security review?

This answer: http://security.stackexchange.com/a/37319/10574 Mentions the issue of host-based security. To the end user, the web server is an untrustable black box. Would it provide to needed ...
5
votes
1answer
179 views

'Trusted CA Certificates' and 'Trusted remote Certificates'

What is the difference between Trusted CA Certificates and Trusted remote Certificates?
3
votes
1answer
255 views

How does an end user differentiate between OV and DV certificates?

This is a very good link that explains the different types of SSL certificates and level of trust provided by them. An Extended Validation (EV) certificate it is easily identified by the green color ...
21
votes
4answers
708 views

Security seals and the “perception of safety”?

I clearly understand that the security seals (verisign or norton secure etc.) shown on banking and other websites are generated using a script and available only after an ssl certificate is purchased ...
2
votes
2answers
3k views

HTTPS verification failed - get certificate information iPad/iPhone

I went to log onto my bank's internet banking website this morning using Google Chrome browser on my iPad. I get the red error message of death. I can't figure out why. It's happening on both my ...
3
votes
1answer
94 views

What is the current status of trust management?

It is almost 30 years now since Ken Thompson presented his widely known ACM Turing Award Lecture "Reflections on Trusting Trust". What is the current status of practice and research on trust ...
3
votes
1answer
195 views

How safe is “trust this computer” option for websites?

Many sites have a "trust this computer" option that allows one to bypass some security measures (ex.: with Google's 2-step authentication enabled, one does not need to enter the phone's code if the ...
2
votes
1answer
114 views

Trust linux images burned from untrusted systems

For securitys sake I'm assuming my system is successfully compromised after a targeted and/or non-targeted attack. I've downloaded some linux images and burned them to do a re-install. Since I can't ...
5
votes
1answer
179 views

Trusted Timestamping Scope and Real-World Uses

What security assurances does Trusted Timestamping based on Cryotography provide? What are the real-world uses of Trusted Timestamping?
2
votes
3answers
1k views

Dealing with untrusted administrators in a Windows domain

I'm providing consultation to a company, where they have domain-joined Windows workstations. One basic requirement is that they don't want anyone (including the an administrator) to be able to login ...
5
votes
2answers
147 views

How can a certificate be valid in the Hybrid Model but not in the Chain Model?

All dates in European format! I am learning about validity models, but the solution for this assignment confuses me. Translation: The relevant data for the applicable certificates are shown ...
22
votes
11answers
1k views

Is it safe to use a weak password as long as I have two-factor authentication?

I'm careful to use strong passwords (according to How Big is Your Haystack, my passwords would take a massive cracking array 1.5 million centuries to crack), I don't reuse passwords across sites, and ...
6
votes
2answers
333 views

TPM and storage of keys

A TPM hardware device has very limited non-volatile protected memory just sufficient to store the EK (Endorsement Key) and SRK (Storage Root Key). How does a TPM allow nearly unlimited number of ...
41
votes
8answers
8k views

Is there any technical security reason not to buy the cheapest SSL certificate you can find?

While shopping for a basic SSL cert for my blog, I found that many of the more well known Certificat Authorities have an entry-level certificate (with less stringent validation of the purchaser's ...
8
votes
3answers
456 views

Is it safe to generate passwords online?

I usually generate strong passwords using various online tools. Some time ago I mentioned it to friend of mine and he looked at me as if my life was one big fail. Is it really so unsafe to generate ...
-5
votes
4answers
254 views

Is TLS-in-TLS supported in any software? Does it make sense? [closed]

I got fun idea how to increase the security of the SSL (TLS) for websites. However I think there is no support for it in the browsers, so I thought I could add it eventually, but have no idea if it's ...
10
votes
4answers
895 views

Why do browsers warn about mixed content for images?

I'm dealing with a phpBB forum user who wants to set up SSL on their entire site to secure user credentials and "private" parts of the website. However, they want to preserve the traditional forum ...
5
votes
4answers
3k views

Is client side encryption really better than server side?

Web application may encrypt all user data at client side to convince users that it can't decrypt them. When user enters password, it's used to encrypt data in browser and then it's sent to server in ...
3
votes
1answer
338 views

Is there a way to store user files without being able to decrypt them?

I'd want to build a secure file storage web application. Currently ordinary password authentication is used for login. After login this password is used for encryption and decryption of user files at ...
6
votes
3answers
586 views

Are online hash calculators dangerous?

I was about to use an online MD5 checksum calculator when I realized that my result could be added to a database. This is significant because the string I was going to type in was my bank password. ...
7
votes
4answers
716 views

Alternative to “web of trust”

Let's say I have an SMIME platform where I want to easily establish trust across the entire world for a particular purpose, for example for sharing valid financial information. I think that a ...
14
votes
1answer
2k views

Is there a standard for printing a public key as a barcode?

Is there a standard for storing a public key printed on paper? Say, I want to hand out business cards with my public key pre-printed on them at a key signing party to help build the web of trust. My ...
1
vote
1answer
70 views

Are there negative influences in the Web of Trust? If not, are there theoretical alternatives?

Suppose I encounter a trusted PGP key that isn't really who they say they are. I don't want to sign their key and promote that entity. Can I somehow show my dissidence from the trust that everyone ...
5
votes
3answers
618 views

How to verify crypto engine?

If I understand this correctly, when I use a cryptographic (hardware) engine, I have to trust it. Are there any cryptographic algorithms with properties that allow me to verify the correctness of an ...
2
votes
2answers
299 views

Trust and signing: full public key or thumbprint?

Imagine a B2B service where two parties need to set up a two-way trust relationship: Alice will only accept requests from Bob, and Bob wants to know his requests are only going to Alice. When ...
1
vote
3answers
322 views

What is the best way to get a third party audit done of website security?

I have a website that needs to be PCI compliant. I have coded it using the guidelines but to be safe i wanted to get a third party audit done where this individual who runs a IT security firm and ...
5
votes
1answer
154 views

How can a new website create trust with users?

Earlier I asked a question on how to authenticate business identities, now I am wondering on the other side (the user side). There is also How do I choose whether to trust a particular website? How ...
68
votes
7answers
12k views

Why would someone trust DuckDuckGo or other providers with a similar privacy policy?

DuckDuckGo is a search engine that claims it will not share your results with others. Many of my skeptical coworkers think it may be a scam. Is there any proof that any web search engine will ...
7
votes
2answers
298 views

In Linux, when I consider trusting a new software source, what do I need to evaluate?

When I'm using the Linux software PackageKit, I get confused about what specific items of information I will need in order to decide whether to authorize software installation from a new software ...
6
votes
8answers
534 views

How do I choose whether to trust a particular website?

From @GrahamLee's comment over on this question, this is a very good point: How do I choose whether to trust a particular website when the only information I have relevant to my trust decision is the ...