1
vote
2answers
362 views

Identify users accessing hidden link in a website

Recently I put some hidden links in a web site in order to trap web crawlers. (Used CSS visibility hidden style in order to avoid human users accessing it). Any way, I found that there were plenty of ...
3
votes
1answer
5k views

OpenSSL Secure Renegotiation

Has anyone tried to do secure renegotiation on OpenSSL and verify it using WireShark? I can't seem to do a secure renegotiation as far as RFC 5746 is concerned. I tried to issue the connection ...
2
votes
1answer
1k views

Cross site Scripting in HTTP Method?

Lately, I've noticed that many web server configurations reflect the method of an HTTP request sent with a non implemented method in the body of the server's response. For example, A request sent ...
2
votes
2answers
2k views

NX bit: does it protect the stack?

I once heard the NX bit was a panacea, then that it was not. One detail I've wondered about though: Does the NX (no execute) bit protect against code inserted into the stack and executed there? It ...
5
votes
2answers
548 views

Detection of function hooking in iOS

So far as I know, in iOS there are three techniques of function hooking: preload library using DYLD_INSERT_LIBRARIES imported symbol table redirection using fishhook patch the functions when they ...
0
votes
2answers
96 views

does a public key work with all encrypted programs

let us say, I use program "x" for my e-mail security. through them I have a public key and a private key. My friend uses program "y" for their e-mail security and consequentially have a public key and ...
10
votes
2answers
457 views

Which signing key should I use for certifying other peoples public keys: master or subkey?

I have a Master Identity key (which is detached from my daily-use keyring) and both encryption and signing subkeys (all are RSA). I sign documents with the signing subkey: GnuPG selects this key ...
7
votes
2answers
258 views

What criteria should be used for manually reviewing / prioritizing failed logins?

I have a web application that is exposed to the Internet, and am interested in creating alerts, or prioritizing the manual review of failed logins to the web application. What thresholds, or ...
0
votes
1answer
248 views

Are cross site scripting attacks and sql injection a good topic for my thesis? [closed]

So I'm doing my undergraduate thesis, I would like to explore how cross site scripting sql injections occur. And for the purpose of the thesis I'd also like to create a fictional website that is ...
2
votes
5answers
3k views

Questions about in-scope information assets for an ISO27001 ISMS

I am in the process of writing a Scope for the information assets - in preparation for writing an ISO27001 compliant ISMS. I am confused as to if a VPN network is considered to be in Scope? as well ...
2
votes
2answers
92 views

HOTP/similar - how about standard backups of mobile devices?

I was considering adding HOTP as an option to my website (alongside things such as SMSed one time tokens which I already have). But I was considering one issue that HOTP inherently has: Things such ...
2
votes
5answers
2k views

Is asymmetric encryption vulnerable to man-in-the-middle attacks?

I'm looking for ways to send private messages over a public channel, and in doing this I stumbled in asymmetric encryption, which is just perfect for what I was looking for at first - A and B ...
1
vote
2answers
1k views

Learning to script tools in Python and general Pen Testing

I want to learn Pen Testing and already know Java and have been learning Python and am fairly comfortable with Python syntax. I also have some knowledge on Linux and TCP/IP. My questions are: How can ...
0
votes
2answers
375 views

SSL handshake: what makes it unforgeable?

I understand the ssl handshake flow, but still need few verifications: If I'm trying to forge another handshake the client will fail because, and only because the certificate I'll send him back is ...
0
votes
1answer
664 views

What are the Security Risks of Disabling Reverse Path Filtering

Reverse Path Filters are generally used to disable asymmetric routing where an application has a different incoming and outgoing routes. So idea is to prevent packet entering from one interface ...
1
vote
3answers
342 views

Teaching Introduction to Information Security as a mandatory course. Please your advice

I deliberated whether I should publish this question here, or in CS.stackexchange. I decided to do it here, as I think that the opinion of security experts will be more helpful. I'm teaching in some ...
1
vote
1answer
270 views

How can brute force scripts tell once they're found the correct key?

If you have a random block of data and you encrypt it with a key, how can a brute force script tell when it has found the correct key? Is it possible without some sort of reference to the original ...
18
votes
1answer
9k views

How secure is “Secure Keyboard Entry” in Mac OS X's Terminal?

I've been using Terminal under Mac OS X for years but somehow missed to spot this feature: I'm now wondering how does this actually work, and is it 100% safe? If it isn't, what technique could be ...
1
vote
1answer
361 views

how to continuously caputre all my network traffic? [closed]

I've got a Linux desktop that will be a gateway between my private network and the open internet. I'd like it to capture and store all network traffic passing through it continuously, 24/7 (until the ...
5
votes
2answers
2k views

Wifi pineapple “Karma”

If a WiFi pineapple does a karma attack and a client connects to it, would you get the password (for the original WiFi) or would the client just connect to you? Is there anyway to stop it?
0
votes
1answer
483 views

Question about a “Password Space” definition

I am currently reading the "Green Book" (http://csrc.nist.gov/publications/secpubs//rainbow/std002.txt) of the "Rainbow Series" and have a question on chapter "C.4 Password Space". From this ...
0
votes
2answers
400 views

Does iptables work in kernel mode? [closed]

I am not sure about that. It should run in kernel mode in order to avoid some user-mode program to kill/suspend the firewall and do its dirty job. The malware would not be able to kill the firewall ...
2
votes
2answers
4k views

Is there any useful Android app for security assessments? [closed]

I've been thinking for a while about whether or not ask this, as it may be a opinion-based question, but as I have seen a couple of non-closed questions about recommended books, so I think this is the ...
1
vote
2answers
886 views

Is SSH secure and what are the recommended modes of operation?

Given the recent confirmation of weakened and broken encryption schemes and implementations, how does the community feel about the security of SSH? It seems there has been very little discussion ...
1
vote
1answer
163 views

How to Minimize Apache Loadable Modules (serving MediaWiki)

According to Guide to the Secure Configuration of Red Hat Enterprise Linux 6, there is this policy: "In certain scenarios, it is beneficial to remove certain httpd modules to limit the functionality ...
3
votes
0answers
66 views

Arbitrary methods directly callable with Front Controller pattern

I'm working on converting an application that uses the traditional Page Controller pattern to start using the Front Controller pattern. One of the potential problems I'm thinking about is that with a ...
0
votes
1answer
198 views

Any issues with this security design for cloud storage? Server doesn't even need to know password to log someone in

I've created an algorithm I think I'm going to use for a cloud storage service I'm developing- if there are no issues or vulnerabilities with it. It's this along with TLS and forward secrecy ...
1
vote
2answers
756 views

False positive Apache version in scanner results on Centos

Recently I need to care a lot of false positive vulnerabilities in scanner results on Apache version. Example of false positive vulnerability: Apache 2.2 < 2.2.16 Multiple Vulnerabilities Our ...
1
vote
1answer
99 views

How to change TEA round count? [closed]

I cribbed the public domain TEA source from wikipedia ( http://en.wikipedia.org/wiki/Tiny_Encryption_Algorithm ), looks like this - uint32_t v0=v[0], v1=v[1], sum=0, i; /* set up */ ...
4
votes
1answer
2k views

Signing session cookies

The Play Framework for Scala has support for signed session cookies. In the application configuration file is an "application secret" that is set as a secure random number when the application source ...
5
votes
1answer
2k views

Who is the creator of the CIA triad?

The Information Security goals - Confidentiality, Integrity and Availability (CIA) - are often referenced to as the CIA triad. As I am writing on my master thesis, I am wondering to which resource I ...
0
votes
2answers
196 views

Using the same base string for a password in several different logins [duplicate]

It is clear to me that using the same password for different websites is a bad idea because if an attacker manages to get a hold of your password, then he can gain access to the other websites in ...
7
votes
2answers
3k views
+50

What is a good XSS vector without forward slashes and spaces?

I need an XSS vector that doesn't use forward slashes nor spaces. I've gone through lists of hundreds of vectors, but they usually have one of those two. The space gets URL encoded, and anything after ...
40
votes
3answers
993 views

Is an SSH session to a mistaken site a security exposure?

A few minutes ago I attempted to ssh to a server I have at my office. Since it is a new server my public key has not been set up there so I had to type my password in manually. After three times of ...
5
votes
2answers
1k views

How to prevent email discovery in forms?

Being on the company security email list, I get emails with some regularity complaining about email discovery on various forms on my employers website. The reporters are complaining about things like ...
2
votes
2answers
208 views

How can I be sure my former employer no longer has access to my computer? [closed]

How can I be sure now that I no longer work for a certain company that they are not accessing my computer from their side. Strange things happen ( someone remove a certain set of my friends on ...
1
vote
2answers
163 views

Can non-https assets be tampered with?

Why load assets such as images, javascript, css etc, over HTTPS? Is it possible for these assets to be tampered with if I use HTTP? The only way I could conceive of tampering with HTTP loaded assets ...
3
votes
1answer
151 views

Tracking down the source of email attacks

For the past week our company's IDS has been blocking 100-200 meeting invite emails per day from a specific client that are loaded with buffer overflows targeted at Exchange 2003. The payloads are ...
2
votes
2answers
816 views

What hacking risks a site has if it has no input boxes?

I recently posted a question about recovery of website from XSS attacks, http://stackoverflow.com/questions/20759081/how-to-recover-a-site-after-an-xss-attack... Doing a bit more digging online, i ...
2
votes
0answers
65 views

What are the steps to securing encryption keys/databases on an unsecured DAAS provider?

Most Desktop As A Service providers store their virtual hard drives and the VMs RAM in a way that allows them to access their contents. Choosing a provider who offers a 'no-knowledge of server' ...
0
votes
1answer
379 views

Shall I enable 'send all traffic over VPN' on my Mac?

I want my Mac to be as secure as possible, but I don't know if the send all traffic over VPN option is safe or not. Please can someone explain if it is more secure to enable it or not.
0
votes
3answers
146 views

Best way to store passwords for a LAN tool?

I am making an app in Python for linux as a front end to the router (to automate some tasks). But I need to log in to the router before I can do any operations on it and since it uses a http-auth I ...
0
votes
1answer
50 views

Photo Attachment's Feature For Some Mail Servers [duplicate]

You already know google started new service which is related to gmail. http://gmailblog.blogspot.com/2013/11/attachments-in-gmail-now-with-power-of.html When we send new mail to friends.If it ...
1
vote
0answers
155 views

Are VPNs using shared secret susceptible to trivial MITM attacks

I'm looking at a few VPN providers and many seem to offer L2TP VPN but they seem to share their shared secrets publicly on their website, for example : Goldenfrog https://www.goldenfrog.com/support/...
-3
votes
1answer
271 views

How can I keep another device from being able to see my iPhone messages and documents when they are connected to my wifi

Is there a security app I can download so I can keep another device from being able to see my iPhone messages and documents when they are connected to my wifi
3
votes
2answers
555 views

Regarding SQL Injection at Back End?

I have logged into SQL Server 2008 Database and executed following query: select * from USER_Main_INFO_Name where userid ='' or 'x'='x' After executing the query Database has given total user list. ...
2
votes
1answer
20k views

How much can someone see from my iPhone by connecting to my wifi

How much can someone see from my iPhone by connecting to my wifi and can they copy my messages files documents etc
8
votes
2answers
1k views

How is DOM XSS possible here?

I was looking at this website and trying to understand how this XSS is possible, but I just can't figure it out. Here's the URL: http://www.domxss.com/domxss/01_Basics/05_jquery_html.html?681973661 &...
9
votes
8answers
601 views

Authencity of information displayed on an untrusted device

Suppose I have a (bluetooth/usb) device which needs to displays information on an external pc/phone. Is there a simple and effective method to garantuee that the information displayed hasn't been ...
5
votes
3answers
24k views

How to harden SSH on CentOS 6.5

I have a new (first time) CentOS 6.5 server being used for a web server. Our security team has identified the following weakness: The SSH server is configured to allow either MD5 or 96-bit MAC ...

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