Open source is a term used for software whose source code is made available. Software distributed under Open source license allow the users to study, debug and improve the software with certain rights preserved for the copyright holder.

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Government policy toward open source software? [closed]

What are the government policies, specially security organizations, regarding open source? Are they using these types of software? Also, there are some papers related to this topic? I have found: ...
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13 views

I Use Precompiled Open Source Software. Is There a Backdoor? [duplicate]

I'm new to Linux world (3-4 months with Linux). But I did compile some programs from source and had one failed attempt to compile a custom Linux kernel. One thing that I'm wondering about is the ...
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69 views

Open source database of malware signatures

I'm looking for an open source database of malware signatures/hashes (if possible regularly updated and well documented) that I could use in one of my software for scanning a huge numbers of files ...
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1answer
48 views

What should I do if I get no response from a security mailing list I reported a vulneratility to?

Two weeks ago I reported a vulnerability to a security mailing list of a large open source software organization. I provided details of how to reproduce the issue and the exact place in the code where ...
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1answer
49 views

Can a compromised OpenSSHD server be used to upload a malicious payload to a client?

Since I'm fairly unfamiliar with the specific details of the SSH protocol, I was wondering if it was possible for a compromised SSHd server to upload a malicious payload (like a Trojan or some other ...
3
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4answers
1k views

Is it secure to have source code for website public? [duplicate]

I am working on a website and would like to have it under revision control. I have used git for earlier projects before and I like it. This project though is a website written in Django. I am totally ...
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2answers
41 views

To release as Open Source for Audit or to Keep “in house”

For cryptography, it is considered good practice to release the code so others can audit it...is this also true for penetration testing software?
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159 views

Fosshub as an alternative to sourceforge for osx open source project, is it safe to use? [closed]

I want to download a well known open source app for OSX (security/encryption related), but I don't want to use Sourceforge for my download because I'm worried about malware. This is the second time ...
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2answers
113 views

Is it possible for an open-source website be secure?

Lets say I want to develop a website with a community, and so I want it to be open source. However, this website isn't going to be static. However, it seems that revealing the database connections ...
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1answer
73 views

Is there vulnerabilities that are inherent to the concept of an open source antivirus? [closed]

I read that antivirus opensource software would be a good idea since the database could be informed and mainained by lots of capable people. However I have also read arguments to the contrary but none ...
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0answers
14 views

Get information about the audit state of software (for OSS)?

How does one go about to determine how well audited/checked a software is? To make this a much more specific question I am interested in ways to ascertain (mailing lists, rankings etc.) that a ...
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2answers
159 views

Open Source Malware Scanner/Cleaner [closed]

What is the best Open Source Malware Scanner/Cleaner? Malware-bites is good but it requires licensing for companies.
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4answers
135 views

How secure is it to use an open-source software [closed]

Is it possible for the developer of an open-source software to hide a backdoor without getting caught? Obviously open-source is superior to close-source when it comes to transparency, also I am aware ...
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0answers
2k views

Can you prove that an open source program is running the same code that it claims to be? [duplicate]

So if a group has made open source software, and the source code is available on github, and is bundled with an executable in their main download, can it be proven that the executable is compiled from ...
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3answers
86 views

Simplifying SMIME by re-using the Public & Private key across email accounts

I need to simplify (at the cost of security features) an SMIME deployment. How can I generate a CSR that reuses the same public and private key for more than one email address? In other words, I ...
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1answer
65 views

How can I prove to users of the software that the binaries I post match source code that's been inspected and verified by a third party? [duplicate]

If I have software that's like TrueCrypt where security is very important, but unlike TrueCrypt because mine won't mysteriously go offline for seemingly no reason at all, how can I prove that my ...
13
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3answers
838 views

What are the security implications of 'open-source' vs. 'source-available'?

In light of the current fiasco surrounding TrueCrypt, I have received considerable criticism from current clients and peers in the IT industry for my continued support of the open-source model. Such ...
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2answers
139 views

Open Source OS - code you see vs code you get

In this question I will use the example of Linux OS, but I am also interested in general situation. Linux OS distributions are famous for being open source and thus rather secure. But how can you be ...
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2answers
264 views

Static code analysis strategies [closed]

Imagine: We have been given the source code of several software programs, some open source, others proprietary. What's the best strategy to analyze the source code in each case? For example: We know ...
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1answer
43 views

OpenSource considered harmfull?

What would you think about military strategist who is publishing full plans for all of important infrastructure? I think that person will be stupid. Can be this analogy case with OpenSource? Here is ...
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2answers
97 views

Risks associated with compiling open source projects

After reading this question about if it's safer to download and compile the source for an open source project or download and run the installer, I thought of another possible vulnerability: is it ...
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2answers
133 views

What can I do to increase security of a small open source application

I've been developing a small CRUDish Ruby on Rails application on my free time for a non-profit organization. The app is already running in a small scale in Heroku. Lately I've been thinking about ...
5
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4answers
467 views

Is compiling source code from github a big security risk?

I have several programs (Emacs el-get, oh-my-zsh and Homebrew) that occasionally load source code from github and compile it on my machine. Is this a big security concern? What can I do to prevent ...
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2answers
3k views

How secure is EncFS compared to TrueCrypt?

If I choose the paranoia option for EncFS and for TrueCrypt I create containers using the encryption algorithm AES-Twofish-Serpent and the Hash Algorithm Whirlpool. Are both methods equally secure, ...
11
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3answers
2k views

Security related code in Open Source projects?

I have recently heard that most of the PHP code is confidential, because if attackers know your database structure or the hash function used to encrypt the passwords, there is higher chances of a ...
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1answer
156 views

Is it bad practice to add an encrypted private key to source control?

I understand that it is bad practice to add passwords and secret tokens to source control, with obvious implications arising if you are working on an open-source or related project. Rather, you ...
2
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1answer
219 views

Use of openssl could be a weak point in an Android App?

I'm reviewing an Android app (consists of Java and C source). There are complicated obfuscation steps in the build process (for content protection). But it uses statically linked openssl library ...
9
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170 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 ...
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3answers
250 views

How to store user credentials like Mint.com [duplicate]

If you have a website that need to store user's credentials for other sites, how do you store those credentials securely? An example is Mint.com where you give them your username/password for your ...
11
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3answers
5k views

Free/Libre software to handle TCG OPAL 2.0-compliant Self-Encrypting Drives (SEDs)?

I'm in search of a free/libre software that is able to handle OPAL (2.0)-compliant SEDs (i.e. manage the setting of Pre-Boot Authentification (PBA) environment, encryption keys...). It could be a ...
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1answer
531 views

Open Source tool for analysing javascript for security vulnerabilities [closed]

I am completely new to this field and am a college student. I am looking for a static code analysis tool that scans the source code of a web app ( NOT the URL) for security vulnerabilities. So far i ...
4
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3answers
160 views

How can you know what is distributed with your Linux

I'm curious, in theory, how can one know if for example kernel that is distributed with Ubuntu Linux is really what is on https://github.com/torvalds/linux and not some modified kernel which contains ...
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1answer
74 views

Security principle regarding softwares

Security through obscurity isn't real security. That's why theoretically, closed source software is a wrong solution. A software, example an operating system still needs to be secure when ...
11
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619 views

Trust Issues Relative to Open Source

Two separate discussions have very recently opened my eyes to an issue I had not considered – how to confirm the Open Source binary one uses is based on the published source code. There is a large ...
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2answers
547 views

In Visual Studio, what are the risks of simply opening an untrusted project? What are the mitigations?

I'm looking at the source code of some potentially hostile code. As usual, VS 2012 is giving me the security warning: "You should only open projects from a trustworthy source" ... "ask me for every ...
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2answers
11k views

Why do some people think Linux is more secure than Windows? [duplicate]

I have no idea if Linux is more secure than windows. I think Linux is more secure but I want to know what is going at kernel level. Somebody told me that Linux have only one main kernel and has it ...
4
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1answer
184 views

auditing open source compiler binaries for trojans

It is a well known vulnerability that a properly altered compiler binary can transfer itself to new binaries of the compiler, and still be entirely absent from the source code. But how real is this ...
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1answer
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Am I covered with GPL If I want to share open source code of project developed in my company? [closed]

I do not know if it's the right place to ask this question. But I find that this site is the closest site in the exchange sites to ask a such question. I m working in a company and in my job contract ...
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1answer
231 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 ...
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3answers
441 views

I work on an open source project. Is there a “standard” to reporting security vulnerabilities that we can use?

I work on an (intentionally undisclosed) open source project. To the best of my knowledge, we do not have a discoverable policy on reporting security vulnerabilities. Rails has their own policy ...
5
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2answers
865 views

What are good free opensource tools for helping in manual source code reviews? [closed]

I know tools that help in identifying security vulnerabilities in source code (static analysis tools), like Findbugs for Java or Pixy for PHP, but I would like to know good free opensource tools that ...
2
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1answer
261 views

How much are security tools audited?

Just an open question to the security community at large because... well... the phpMyAdmin thing has made me more paranoid than usual... Specifically, I'm thinking about Kali Linux (ex-BackTrack). ...
2
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5answers
3k views

Website vulnerability scanner in Java && Open Source [closed]

I am working on a Web platform that must-need-should have a good level of security. Therefore, I am interested in a good quality tool to test my Web platform QA on security. My main programming ...
7
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3answers
541 views

Is it safer to compile open source code vs simply running the binary?

I understand that with OpenSource software, my milage may vary based on the trust of the author and the distribution platform they use (Codeplex, Git, or private server). Oftentimes a FOSS website ...
3
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3answers
3k views

Could I delete .csr files when the key is signed by CA

I'm creating my own openvpn server. The Certificate authority is located on a separated host. There is two kind of clients: which that just send a .csr and to which i send the .crt as an answer and ...
3
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3answers
194 views

OAuth in open-source plugin

I'm designing an API server and client pair. Typically, I want the client to be in a WordPress plugin. I'd like to use OAuth or something similar to secure the requests. However, as you know, OAuth ...
2
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1answer
307 views

Good tools for reverse engineering colaboratively? [closed]

Does anybody know a good set of tools for doing reverse engineering of binaries in a collaborative way?. My original idea is to disassemble a binary, allowing to add information about functions, ...
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How is Tor secure?

If Tor is open source and thus its process of concealing your IP is known, then how does it keep anything secure? Couldn't someone look at the source code and figure out how to reverse the routing ...
3
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5answers
3k views

Building a Security Training Simulation environment

My university is keen to build a security training simulation environment/platform and it will be a good learning experience for students. I Googled around to find out how it is built, but I only ...
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2answers
6k views

Are there any free static analysis tools for C# / .NET code

A client recently asked me to perform a code review on C# code. As an independent contractor I was wondering what are the automated solutions out there where I would not have to break the bank to ...