0
votes
2answers
91 views

How to log into sites that you have set up Google 2 Step Authenticator if you lose your phone?

If you use Google Authenticator to log into sites using 2 Factor Authentication, how do you log in after you lose your phone? Can you install Google Authenticator on another device?
0
votes
2answers
1k views

A DDOS attack by uploading a few hundred large files - whats stopping anybody?

I am new to the IT Security field and am essentially a developer as opposed to a networking person hence the question may be a dumb one I am writing a REST service exposed to the internet which ...
0
votes
3answers
991 views

Ways to keep AES encryption key safe.? [closed]

I am using AES encryption to secure some sensitive data. For that i have to provide a certain key for encrypting and decrypting. It's not safe to keep the key somewhere on the server. So instead of ...
0
votes
1answer
95 views

Antivirus scanning [closed]

I use the avast free antivirus ... and i sort of noticed a very strange occurrence. Whenever I scan a document from avast, the application scans more data then there is on the document. For e.g., if ...
0
votes
1answer
501 views

Elgamal algorithm PHP code [closed]

I was wondering if there is a PHP implementation for Elgamal algorithm for website data security ? I found that for EC, Diffie-Hellman but could not find any about elgamal. Thanks in advance.
0
votes
1answer
365 views

What does it mean by the 'Hash of a malware'?

I have just recently started to delve into the topics of malware. In my hunt for malware binaries, I came across certain responses that it is not easy to grab binaries based on malware names like ...
0
votes
1answer
597 views

Comprehensive & current book on native application exploit research & development [closed]

Is there a 'must read', comprenhensive book on native application exploit development? Covering the process of finding vulnerabilities (fuzzing, reverse engineering, code analysis, etc...) & ...
0
votes
1answer
692 views

mprotect at kernel level

What would happen if a kernel-level process sets some of its memory pages as PROT_NONE with mprotect and another kernel-level process tries to read one of these protected pages? What is the ...
0
votes
1answer
335 views

What are the performance and security tradeoffs when selecting “ECC” or “Subgroup” in a U-Prove token?

In one of the U-Prove documents, I remember reading something that compared Subgroups versus ECC and it went something like this (paraphrased): Subgroups Requires a bigger key to achieve equivalent ...
0
votes
1answer
248 views

What process on my jail broken iPhone is listening on port 80 [closed]

I can access it via telnet from the internet once I get the IP of my phone Probably an HTTP server telnet XXXX 80 Trying XXXX... Connected to XXXX. Escape character is '^]'. HELP ...
0
votes
1answer
103 views

What is connect() method in NScan?

While reading about NScan tool, I came across the connect() method. This article about the NScan says NScan itself is a port scanner, which uses connect() method to find the list of the host's ...
0
votes
1answer
94 views

App uses html_safe method, possible issues

For one who doesn't know, .html_safe is rails method, which outputs strings as part of html document. The problem is that string is user inputed. What did I do to prevent some bad actions - regexp ...
0
votes
2answers
373 views

File shares from a DMZ into an internal network

We have a firewall policy that prohibits MS RPC through firewall, particularly from internet facing DMZ's back to the internal network. There is a business unit requesting an alternative method to ...
0
votes
2answers
94 views

How do I obtain user info from SET?

I am trying to create a phishing email for a project I am on. In the email I want to link to a site that will collect IP, browser, date/time of when visited. nothing malicious but to just prove that ...
0
votes
1answer
274 views

Definitions of computer forensics and information security [closed]

I'm about to do my master and I need to make a decision on what course I should take now I have two options either computer forensics or information security What I want to know is: What is the ...
0
votes
2answers
848 views

Vulnerability of the open port

I'm installing service on the cloud machine and I was wondering on port vulnerabilities for my customers. My service which lives on server A (often on a customer site) needs to access server B ...
0
votes
1answer
2k views

Using JTR to crack Skype Passwords

The scenario: coworker's Skype somehow lost his auto-fill password. He doesn't remember it anymore, and the account is hooked up to an email address that no longer exists. He's never purchased any ...
0
votes
1answer
561 views

PCI 3.6.6 cryptographic key procedures include split knowledge

My question is, if you run your own company and there are no employees and you still qualify under assessment D what do you do in a case like this where it is requiring 2 or more people? On a related ...
0
votes
1answer
71 views

How to specify a Snort rule connection duration?

Is it even possible to specify into a snort rule the duration of a connection? For example: in this format Hour, Minute, Second H, M, S = 0, 2, 1 If a connection that has the duration of 2 minutes ...
0
votes
1answer
87 views

What is closed system esignature?

I need to find a solution for one of my clients who is asking me to implement a esignature solution. I was thinking of suggesting some solutions like DocuSign or EchoSign. But recently my client ...
0
votes
1answer
307 views

some questions about DOM based XSS [closed]

Is it possible to do a DOM based xss attack with window.location.protocol? How can we use dom based xss with document.title? How can we bypass the escape javascript function if it is used? thank ...
0
votes
2answers
187 views

how to find injected code in SQL

Recently one of my sites is hacked. The hacker used SQL injection to compromise the security. After getting SQL access he injected code in many places in database. I cleaned up many of them. But I am ...
0
votes
1answer
464 views

Is it secure to use a custom written Php extension for handling + hashing (db) keys?

I'm designing the security of a new application and try to figure out what the best way is to store the keys of the mysql AES encryption in the file system. I've seen several options like store it ...
0
votes
1answer
338 views

How can I ensure privacy when outsourcing authentication to an IdP (Identity Provider)

I need to outsource authentication to an IdP (Identity Provider) but I don't want that IdP to know of the calling site. The two major issues are the callback URL and the referer header. Is there any ...
0
votes
2answers
738 views

Recomended Nessus Windows-7 scan settings?

In the Nessus FAQ it says Microsoft Windows desktop systems have network limitations that may impact the performance of Nessus. The TCP/IP stack limits the number of simultaneous incomplete ...
0
votes
2answers
1k views

How to test for OCSP?

I have to test OCSP feature on a SSL server. Since it is a pretty standard feature now, I was looking around for tips on test plans/setting up OCSP responder etc?
0
votes
2answers
184 views

Necessary education for InfoSec? [closed]

So, as it stands I'm a 21 year old recent Bio-Chemistry graduate looking for a path into InfoSec. Without a background in any computing discipline I assumed that it would be seen as compulsory that I ...
0
votes
3answers
204 views

Odd Server Logs

I have a webapp running using Django. I recently activated some middleware which is supposed to alert me of 404's where the referrer is within my domain (supposedly indicating a 404 that is my fault). ...
0
votes
1answer
4k views

How does PKCS#7 padding work with AES-256, CBC mode?

I'm a bit confused with AES-256, CBC, and how it works with padding (PKCS#7). Whenever I encrypt data of multiples of 16 bytes (the block size), extra 16 bytes are always padded at the end. For ...
0
votes
1answer
1k views

DNS Cache Poisoning and Snooping

I'm trying to do two things here. The first is poison the cache of a target DNS server. A scan has suggested the network I'm attacking is vulnerable to CVE-1999-0024. My understanding of this ...
0
votes
1answer
195 views

Facebook data visibility to admin staff

I recently had a conversation with a friend in which I told him that everything written on Facebook can be seen by the Facebook admin staff. As a software engineer and database administrator I know ...
0
votes
1answer
217 views

All I see is RPC, how do I proceed?

I finished a tiered hacking exercise, and after submitting it was told that the last tier (a machine on the network) was not possible to attack in the given exercise. The machine was only running ...
0
votes
1answer
210 views

What type of attack should be used in order to pass this authentication

I am practicing the Astalavista Wargames and i came across this challenge. The question is: Bob wrote a piece of software but the password verification doesn't seem to work. You must find a way to log ...
0
votes
1answer
886 views

What AES mode does SQL Server 2012 use?

I looked at this link that shows how to encrypt a SQL column via a certificate (RSA??) and AES256. I created a dummy table (script at GitHub) intentionally using identical plain text (Credit Card = ...
0
votes
2answers
470 views

bootp enabled by default on dhcp reduce security?

by default in Microsoft DHCP server configuration Bootp is enabled and choose both(accept DHCP request and Bootp ) i know that how this work and know about how configure two DHCP Server by Bootp ...
0
votes
2answers
352 views

How to protect files (cron files) frome being executed by everyone?

I wonder what read / write permissions should I set on my cron files (php files) so they can be executed only by our server. We're using CentOS 5.9 - 64bit and cPanel / WHM + Apache. Thanks!
0
votes
1answer
133 views

What are the dangers of client side authorization? [duplicate]

What are the dangers of client side authorization? Where client side authorization should and should not be used?
0
votes
3answers
159 views

Secure design for handling mail attachments

I'm fan of split design for web browsing for security reasons - trusted web sites can be accessed via http proxy from pc clients, the rest of web sites via some remote desktop technology from specific ...
0
votes
1answer
150 views

What is the method used in the New York Times attack? [closed]

In the recent New York Times attacks, how did the attackers gain access to the server? Additionally, is there any evidence that these attacks were launched by China, aside from the proxy?
0
votes
2answers
368 views

Is there an easy way to secure Apache on debian?

I run an Apache webserver with lots of PHP-sites of several customers. I tried install apache-mod_security2 after this (german) tutorial that is using these rulesets: ...
0
votes
1answer
504 views

Can Veracode detect vulnerabilities in jsp files?

We have chosen Veracode to perform security assessment of our JavaEE code. We have been performing white-box security testing using Veracode. As I am quite new to Veracode, I was surprised to find no ...
0
votes
1answer
107 views

Desktop API Security

I have a Desktop API written in C++. Within this API I call a REST API to register with my service (using typical email user validation). The REST API is protected with a ID and SECRET; the requests, ...
0
votes
1answer
698 views

Is TLS secure when full eavesdropping on the network occurs? [duplicate]

Possible Duplicate: How is it possible that people observing an HTTPS connection being established wouldn’t know how to decrypt it? Alice connects to Bob's site via a TLS secured connection ...
0
votes
1answer
235 views

Generating Web Application Security Profile

Currently i have deployed ModSecurity as a reverse proxy for providing application layer security. Now i want to write application specific rules for all the web application i am protecting i.e. ...
0
votes
1answer
351 views

Is it possible to decode xor encoded string from N copys?

Let's say, I've got N strings encoded with "random" bytes using xor. If I know that the information encoded is the same everywhere, is it possible for me to get at the information itself by doing ...
0
votes
1answer
573 views

Hardening Web Browsers - Detailed Guidance

Is there any specific and complete guidance on what is needed to harden a web browser given the number of attack vectors possible, particularly given that browsers allow so many varied plugins? All I ...
0
votes
2answers
1k views

DrayTek Vigor 2920 HTTPS allowed

In my office we have a DrayTek Vigor 2920 router, with CSM setup to only allow certain keywords (keyword objects) to certain IP groups. This all works fine, however we've discovered that all HTTPS ...
0
votes
2answers
1k views

Encrypted flash drives

I have searched the web for information on secure encrypted USB flash drives. I have found that the most secure encryption is hardware-based like Kingstom DT4000 for example. Why is a simple USB ...
0
votes
1answer
111 views

WLFriends encrypted login risk

I recently had created on WLFriends.org which is presented by Wikileaks, I noticed a big thing there that the process of signing up at WLFriends was very distinct from the other normal sites. There, ...
0
votes
1answer
198 views

How to use clipboard manager software more securely?

I want to minimize the risks using a clipboard manager or clipboard history software. I want to use it because it really eases my work so not using it is not a good option. These programs usually ...

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