10
votes
2answers
409 views

How do you visit a link without risking your computer?

I got a link from: http //61.19.247./~naowit/dustin.html (removed the last digits so you don't accidentally click it! (they were 192)), which was masked as a youtube.com link via email. Now I'm not ...
3
votes
2answers
259 views

self-signed certs that aren't the final certificates in the path

The X.509 spec makes frequent statements like this: (b) If certificate i is self-issued and it is not the final certificate in the path, skip this step for certificate i. How can you have ...
8
votes
2answers
849 views

X.509 certificate policies question

I asked another question about certificate policy mappings. This is a different issue. This is about Certificate Policies. To quote from the X.509 RFC: In an end entity certificate, these ...
2
votes
1answer
685 views

X.509 certificate policy mapping question

So I'm a little confused how X.509 certificate policy mappings work. So let's say the following depicts my cert chain: root CA ---> intermediary CA ---> client cert Would the root CA have a ...
0
votes
1answer
163 views

What terms should I use to define security assessment work? [duplicate]

Possible Duplicate: What is the difference between a penetration test and a vulnerability assessment? I am tasked with hiring a consultant to do an analysis of our infrastructure security ...
5
votes
2answers
691 views

Combining capability-based access control with SAML

I have been looking into various research on identity, PKI and access control trying to boil it down to a simplified methodology for IAM (Identity & Access Management). One thing which pops up in ...
4
votes
3answers
8k views

What is a good email site that doesn't mine your personal data? [closed]

I am becoming less and less ok with Google and Facebook collecting data on me based on my online activities and then selling that to companies. Is there a good email service out there that respects ...
7
votes
1answer
11k views

Is there a sms authentication that works like 10minutemail? [closed]

I remember reading on this site a user recommending 10minutemail.com as a way to register or give email address to non-trusted websites. Is there any similar site for disposable phone number for ...
6
votes
2answers
2k views

Is e-mail a direct vector for XSS

I'm curious if there is a way to execute XSS via email. I am not talking about using e-mail as a way to deliver a link that has reflected XSS in it. I'm talking about sending an email from ...
12
votes
2answers
5k views

Available Resources for Securing RHEL 6

Some in our infrastructure group want to upgrade to start taking advantage of the new features in RHEL 6. In the past, I have relied on the NSA Guide to secure RHEL 5 and CentOS 5 installations. I ...
5
votes
2answers
284 views

Securing data on laptop's hdd

I was wondering which is the best way to secure/encrypt data in the hard disk on a laptop that runs Ubuntu Oneiric? Setting LVM encryption? I am mostly concerned about having my laptop lost or what ...
8
votes
3answers
1k views

Is a mobile app more secure for mobile use than the “normal” website?

An untrained end user who uses a mobile web browser is vulnerable to phishing and can't easily verify the the authenticity (or security) of a website among other issues. Also, it is very easy to ...
1
vote
3answers
178 views

Smartphone SSH clients with shared user

I am writing an application for smartphones to provide very limited SSH usage. The user cannot perform arbitrary actions when logged in. They can run a specific script(s) only. For various reasons ...
44
votes
5answers
4k views

Is it safe to install malware in a VM

Is it safe to install malware in virtual machines? I would like to investigate malware, but I don't want to infect my own computer. Can I install the malware in a VMWare VM, maybe even without ...
3
votes
1answer
264 views

How secure is to store encryption keys or SSH Keys on LPAR?

I want to store SSH keys (used to connect to some devices that have sensitive data) and the encryption/decryption keys of a database application. They will be inside a LPAR (logical partition) in our ...
30
votes
6answers
22k views

SSL with GET and POST

I'm pretty new to security, so forgive my basic question, but does SSL encrypt POST requests but not GET requests? For instance, if I have two requests GET: ...
18
votes
5answers
3k views

How does preventing automatic download of pictures help to protect my privacy?

When viewing some emails in Microsoft Outlook, if the sender has included images, I get the following option appear at the top of the email: "To help protect your privacy, Outlook prevented ...
12
votes
2answers
1k views

Protection of Keys/Passwords on Virtual Hardware (XEN, KVM, VMWare, etc.)

Is there any reasonable way to secure data on virtual hardware? What I mean by "virtual hardware" is the various hosted systems that one can rent from various online hosters, that run on top of XEN, ...
5
votes
3answers
640 views

Are there security (esp. privacy) benefits to deleting cookies?

As the title says, I'm wondering if there are any security/privacy benefits to managing cookies - that is, managing by deleting cookies you don't want or need. I deleted all my cookies about a week ...
11
votes
2answers
1k views

Interpolique: transparently preventing SQL Injection and XSS with base64 encoding, what happened?

For the keynote at The Next HOPE a couple of years ago, Dan Kaminsky unveiled Interpolique (the talk is really fun btw). The problem he raised was how to defend against injection attacks, including ...
3
votes
2answers
1k views

Is it less secure to use OpenDNS for banking accounts, SSH, Adsense account?

I have one WiFi connection in my house which I use for my iPad, phone and computers. I want to block adult sites, time consuming sites for every device that use the WiFi connection. So I came across ...
5
votes
2answers
707 views

mysql security logging

Is there any logging available that logs mysql connection attempts to the port, login attempts, and times succeeded with username, IP address and date time? Im trying to detect brute force attempts. ...
24
votes
2answers
43k views

Can wiped SSD data be recovered?

I was reading another post on destroying IDE drives, and how you could remove data, wipe it, or just destroy the drive. The removed data would still be there in some state, although not easily ...
1
vote
1answer
231 views

What are the most relevant security events/incidents any company should monitor?

What are the most relevant security events/incidents any company should monitor using event management tools? Related to servers, antivirus, networks, etc.
1
vote
2answers
3k views

how to protect my ftp from being hacked?

my ftp was hacked, a file has been uploaded and the host suspended the website temporarily. I'm only using an admin page that points to an xml file (to load and modify the text of my website), i don't ...
3
votes
2answers
486 views

Can a sniffer installed by user on his machine eaves drop on my application and reverse engineer it? (Fiddler 2 HTTPS Sniffing)

I have a web service and an application that connects to it. I do not expose the web service via any discovery protocol to the outside world. I have two security mechanisms: My software uses SSL and ...
4
votes
1answer
722 views

How to perform security exploits/penetration on devices like iPhone's, PSP's, and Android to run your owncode?

I was really interested in getting into performing exploits to install my own code on devices, instead of waiting for others. I figure its a great way for me to learn about security on devices like ...
3
votes
1answer
252 views

What servers or clients are immune to related-domain cookie attacks? (*.example.com)

In this question, I want to identify browsers, servers, or implementations that are immune from related domain cookie attacks (e.g. a.example.com vs b.example.com). Lacking any tangible solution, ...
5
votes
3answers
722 views

Is there a good reason to turn off phpinfo()?

New server setup and the server admin decided phpinfo was too scary. I guess the fear is that a hacker could somehow get phpinfo() to run from injected php and find out all the extensions that are ...
5
votes
1answer
128 views

How long can I store personal information on unconfirmed subscriptions?

I have a monthly newsletter. In my subscribe form I use a double opt-in method: The visitor subscribes. I send him a confirmation email. If I receive a reply, I add him/her to my system. In the ...
10
votes
1answer
843 views

How is a public scriptable site like codepad or ideone manages it's sandboxing?

I've researched this stuff a lot in the recent months but i can't grasp any solid basis on how they achieve runing unsafe scripts in so many languages without a problem! I'm sure they are running ...
7
votes
2answers
4k views

Explain the naming with the variety of cipher-methods as seen by `$ openssl enc --help`

I am confused by this variety, perhaps outlined here. I am trying to understand the conventions. Trend A: strength? $2^8$, $2^7$ -- seems clear but why algo with 192 or 40? Referring to same issue? ...
5
votes
0answers
12k views

Getting started with OWASP ESAPI + JavaEE - simple TestProject [closed]

This question was originally asked on stackoverflow I hope that here in this Security forum I find more people because hopefully some people are using the esapi stuff? I have a little JavaEE ...
4
votes
2answers
157 views

Changing windows client form values at runtime

I am performing a code audit of an older VB6 application which uses dynamically constructed SQL to execute against the database. While I see this as a SQL injection point, the developer contends that ...
14
votes
7answers
38k views

How do I know if my computer is being used for a botnet-based DDoS attack?

A botnet is a collection of compromised computers, each of which is known as a 'bot', connected to the Internet. When a computer is compromised by an attacker, there is often code within the ...
2
votes
3answers
257 views

How to protect data on your hard disk if it is in an unfriendly environment?

The essence of the problem as follows: There is a server located on the side of our company. There is a hardware client module, which is in a public place, which communicates with the server via a ...
8
votes
1answer
4k views

cookie path protection within same domain

The answer to this question about how cookies are potentially vulnerable between sub-domains sparked my curiosity. As far as I know, if a cookie is set on a sub-path of the same domain ...
1
vote
1answer
504 views

Web application software architecture: basic security

I am a complete beginner in the security topic and I know that I should read this, but I have a small question to which I hope exists a short answer. Let's say I have three components of a ...
1
vote
1answer
169 views

What would be good resources to conduct Technical Impact Analysis?

As continuing research in Secure Software Development, I found the OWASP Top 10 project list Technical Impact such as: https://www.owasp.org/index.php/Top_10_2010-A1 Similarly, CAPEC list impact in ...
6
votes
3answers
429 views

How to rate Open Source Libraries?

Is there some kind of automated scanning tool which detects threats in Open Source Java Libraries? I think the OWASP Orizon project tried to build such a tool, but it seems to be inactive for years ...
4
votes
3answers
862 views

Deciding whether user has left the site without logging out or has simply left the site open for notifications without actually doing any work?

I am developing my site using server side sessions using redis as backend for saving the session. Now the issue which is bothering me is of user leaving the website without logging out. I mean user ...
3
votes
2answers
2k views

Secure communication between C# client and Java server, using certificates

I want to secure communication between simple C# WPF client and Java server. Now i have already implemented raw sockets communication, and my security is based on: server send RSA public key to ...
1
vote
0answers
273 views

Unauthorised Perl Scripts [closed]

One of my servers just had the memory exhausted by a load of Perl scripts, we use plesk and they seem to have appeared under the /var/www/vhosts/domainexample.com/cgi-bin/ directory, I managed to stop ...
2
votes
1answer
497 views

Active Directory: Should Workstations be separated from servers to protect from related domain hacks?

How should I protect domain joined hosts in the same AD domain from the Related Domain Cookie Attack? Suppose there is an AD forest called example.com. This company has a variety of internal and ...
5
votes
1answer
997 views

How to use DPAPI under load balance environment

DPAPI can be used to encrypt the secret data. We intend to use it in our web app to encrypt some data and store the encrypted data in database. When needed we decrypt the data and present them on ...
5
votes
2answers
245 views

What aspects of hardware configuration are significant from a security perspective?

What is worth keeping in mind (security-wise) when choosing a set of hardware? For example, might a cheap (or obscure) setup like a Raspberry Pi make for a less secure server than a more standard ...
2
votes
4answers
975 views

Chrome Frame is an example of how browsers “merge together”. How can I unmerge all of them?

Chrome Frame is an add in that integrates with IE and Firefox. Firefox has a similar component, and I hear that the .NET runtime finds its way into all the other browsers. Additional integration ...
2
votes
2answers
172 views

For untrusted user upload sites: what should the contents of crossdomain.xml and clientaccesspolicy.xml be?

Flash has a long history of ignoring MIME types of files and reading the file directly for executable content or for cross domain execution permissions. That means a malicious user can take advantage ...
26
votes
1answer
3k views

What cookie attacks are possible between computers in related DNS domains (*.example.com)?

Here, several servers in the same DNS domain emit cookies under a variety of settings (scope, HTTPS, Secure) and another host emits a cookie with the same value. Example Suppose a user has the ...
3
votes
3answers
385 views

Are there any same origin issues (SOP) with TOR?

Are there any issues with Same Origin Policy (SOP) with TOR or *.onion addresses? I'm thinking of cookies Plugins (Silverlight, Flash, Java, etc) Javascript

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