1
vote
1answer
223 views

Is proper documentation on .xef files available anywhere?

WinACE encrypts files (using one of its 8 methods) into a file with the extension .xef. I'd want to see some documentation on this file format but I couldn't find anything... I'm particularly ...
6
votes
5answers
3k views

Is there a reason to protect SIM with PIN?

If phone would be stolen then SIM card will be thrown out by thiefs just after the theft so that they can't be found. If phone would be losed then it will be harder to find an owner for people that ...
4
votes
3answers
6k views

Do you need to encrypt session data?

I came across a session management class in PHP which encrypts session data in the session storage folder (i.e., /tmp) and can be decrypted later in your script using a key. I was wondering if it's ...
6
votes
7answers
4k views

How to safely view a malicious PDF?

I have a PDF with important information that may contain malware. What would be the best way to view it?
14
votes
6answers
6k views

Finding a specific malware sample for malware analysis purposes

I wish to analyze the changes made by a specific virus. For example, Win32.Sality. Where can I get the sample of this, or other similar, malware for testing?
7
votes
3answers
485 views

How secure is HTTPS with weak ciphersuites?

Today I came across the website https://mtgox.com/, which claimed to be secure because of the Verisign certificate. I checked the certificate out of curiosity (it's the first thing they claim, let's ...
7
votes
4answers
505 views

Should SMS systems warn users of possible spoofing attacks?

The author of this blog post Never trust SMS: iOS text spoofing says that: The sender of an SMS message may provide arbitrary sender information using low level protocol features. Furthermore the ...
31
votes
4answers
7k views

Why aren't application downloads routinely done over HTTPS?

We all know we should be using SSL whenever we collect passwords or other sensitive information. SSL provides two main benefits: Encryption: The data can't be read by a middle-man while in transit. ...
-1
votes
2answers
125 views

Should I use salt to authenticate data?

I have a client and a server. The client makes a request containing userId, cardId, position (on the card) A hacker could just do the same http request with the next position. So I think about ...
-2
votes
1answer
151 views

What do I need to worry about when moving from a compromised system to a clean one?

As a result of a targeted attack, my computer was compromised? What should I be worried about when trying to move to a new system and prevent reinfection? I purchased a new clean computer and am ...
4
votes
4answers
6k views

How to make / dump contents of memory for forensics analysis?

I work as a Information Security analyst and was recently tasked to look into Incident response + computer forensics related topics. For starters, I am experimenting on my PC which is running Windows ...
5
votes
3answers
475 views

How to store chat conversations on my website?

I am making a site where members are able to have one-to-one chats, and I'm not sure how should I process conversation texts. Should I store the text in a .txt file or directly in a database? I also ...
5
votes
3answers
330 views

What steps can you take to make offline cracking of SRP harder?

In the aftermath of the Blizzard hack, what steps can I take to make offline cracking of SRP more difficult? My question assumes that your database is already gone and that you implemented SRP more ...
16
votes
1answer
689 views

What is a “Trailing Host Header”, and how can I test for it?

My team's been doing some research into WAF protections based upon a WAF testing tool released at Black Hat this year. In the tool, there's a list of hostname evasion tests - that are really just an ...
5
votes
3answers
2k views

How do I improve the physical security of a rack cabinet?

I've got an 8U 19-inch server rack cabinet with two locks - one on the front panel, one on the rear panel. The locks are small cam locks, but the cam part is rather thin and flimsy-looking. I could ...
1
vote
2answers
2k views

SQL Injection tool (Mac OS X) [closed]

Do you know any software for searching (analyze) SQL injection (on website) from Snow Leopard ? I have found some that can run from Linux or Windows. I understand that most Linux (console) ...
-3
votes
2answers
871 views

Cheap, Foot-in-the-door certifications? [closed]

Could you recommend cheap certifications to get your foot in the door of the industry.
5
votes
4answers
398 views

Automating Social Engineering Prevention

Being an advocate for DIO (defensive information operations), I have always been concerned about social engineering and its relation to server security. Giving administrative access to staff members ...
2
votes
2answers
181 views

E-mail Server Security

In recent news, Bitcoinica was compromised by an e-mail server infiltration. The hacker then applied social engineering, using one of the administrative e-mail accounts to reset the root credentials ...
4
votes
4answers
1k views

SMS Authentication: random OTP or a cryptographic one

I'm adding two-factor authentication using SMS to enhance an existing login process. Since I'm not working with physical tokens, I was wondering what is considered the safest: Sending random 8 ...
4
votes
1answer
183 views

How does my antivirus determine which CTL is used?

I have imported a trusted root certificate into the Windows local machine list. This works fine with my signed certificates, unless my AV (Bitdefender Antivirus Plus 2012) is set to "scan SSL", in ...
2
votes
3answers
1k views

Firewall Migration: NetScreen NS500 to FortiGate [closed]

I have recently been tasked with doing a firewall migration from an old NetScreen NS500 box to a FortiGate device (I believe it will be a 60C). I am sure most of you aware that NetScreen boxes are no ...
6
votes
6answers
3k views

Does having a minimum number of digits improve password security?

Some password systems will enforce at least X of a type of character - a common one I see is 'minimum 3 numeric characters'. As far as I understand, simply allowing certain character classes, like ...
11
votes
4answers
684 views

How to convince your boss about importance of IT security

Do you know how could I make my security complaints/advices more effective? Or How could I convince my boss about IT security? There are a couple of known good practices in the field of IT security. ...
3
votes
0answers
114 views

How to find rogue access points? [duplicate]

Possible Duplicate: Tracking down a rogue access point Rogue access points can pose a threat, when employees connect to them. What are some techniques that can be used to find these ...
3
votes
5answers
1k views

How can I know if my PC is getting infected?

I have installed an antivirus, but as no antivirus is perfect, what can I do to diagnose if my PC is getting infected? For example, keeping a close eye on what programs and tasks run when I turn my ...
2
votes
1answer
253 views

Who are these crazy referrers?

In my web pages' IP logs, I have recently begun seeing some very strange referrers, like this: http://haddies.4t.com/tramadol-hcl/tramadol-hcl-200mg.html ...
4
votes
4answers
173 views

When should police be notified about host intrusion?

If an attacker gains unauthorized access to a host, or makes unauthorized modifications to information on that host, is it appropriate to contact the police or some other law-enforcement agency? In ...
3
votes
1answer
581 views

When a company asks to test physical security, what are some techniques one could use to gain entry?

When a company asks to test physical/infrastructure security, what are some techniques one could use to test employees? This could include good excuses to gain access to some hardware/software.
1
vote
3answers
140 views

What would be a good way to guarantee security of theft and loss of sensitive data in a shared rack?

Two of my servers are in a shared rack, we secure them by adding frontcovers to the machines. The DC is always recording with a camera when one of the shared racks is opened and they write down what ...
1
vote
2answers
180 views

How to educate users about the dangers of social engineering?

What would be the best way to teach and test employees on the topic of social engineering? What topics would you include?
-1
votes
1answer
3k views

How to hack linux from phpMyAdmin? [closed]

I got the username and the password for phpMyAdmin, and i am trying to hack the operating system "linux". i tried to create an payload.php file which is a pyaload taken form metasploit. i encoded the ...
2
votes
1answer
142 views

Is Creating a Restricted Database User in Microsoft SQL Server Decent Protocol

Forgive me for the heavy metaphor but it's a situation's complexity kind of goes over my head. Assume I'm Leonard Shelby (My short term memory only lasts 5 minutes). I'm a freelancer that reads ...
3
votes
2answers
425 views

How to mimic an emotion?

Microexpression is a brief facial expression according to emotions experienced. It is also one of the most powerful SE (social engineering) weapons. However, they are very hard to master. Are they ...
5
votes
3answers
410 views

Security risks using tmpfile() for sensitive data in PHP

What are the primary concerns when storing sensitive data in PHP's temporary directory via tmpfile()? For instance: Could this data be recovered from HDD by a malicious admin? Could the admin easily ...
-4
votes
1answer
708 views

How to exploit a windows server when you have read-only filesystem access [closed]

I found a vulnerability in a site that can allow the download of any file of the server. I tested it by succesfully downloading boot.ini and autoexec.bat. I have no access to source code or file ...
13
votes
5answers
3k views

When registering for most websites, why do you need to confirm your email address?

I'm working on a site which allows users to sign up for a service. They choose a username/password, enter their personal details, etc and proceed into the site, their details being stored for future ...
16
votes
3answers
763 views

Risks of Mullions in High Security Areas

I have a storage space full of information assets. The room itself is sound; there are no windows, the walls go all the ceiling, and there is only a single entrance with two good stout doors and high ...
10
votes
3answers
6k views

What is reverse social engineering?

What is reverse social engineering? Is it something different from normal social engineering?
13
votes
6answers
10k views

How secure is FileVault 2 while the computer is in sleep mode?

How secure is Apples disk encryption FileVault 2 when someone has physical or network access while the computer in sleep mode or is running a screen saver? Are there ways to circumvent FileVault 2 ...
10
votes
2answers
555 views

AMD64 overflows and null bytes

In the past, I have managed to overflow my own vulnerable programs, and those of others, but only ever in a 32bit environment. Every time I try even a simple stack smash on a 64bit machine, I run into ...
3
votes
4answers
1k views

Asymmetric crypto: Decrypt own messages without having private key

I have built a messages system for my website. Users can send the admin messages which are stored in the DB after being AES-encrypted. I think that using asymmetric crypto (RSA through openssl) ...
6
votes
1answer
235 views

Use token for Windows Server 2008 AD RMS [closed]

I have a Windows Server 2008 configured for AD RMS (Active Directory Rights Management Service), another Windows Server 2008 machine that is the domain controller, and a third machine that is a member ...
1
vote
2answers
891 views

Why wireshark source ip tab lists other ip as well

I was trying to capture some packets using Wireshark. I could find a lots of ip in the source address tab. Which ip do they represent. Which all packets are visible to wireshark when I run it in my ...
6
votes
8answers
2k views

Should I block visitors who seem to be probing my site?

I have detected some attempts to probe the security of my site. Should I blacklist their IP address? What are the considerations or tradeoffs to use in deciding when to block their IP address and ...
4
votes
1answer
1k views

Are there any know browsers that support file URL redirection?

I've been addressing an open-redirect issue and in experimenting with the latest fix, I noticed that updating the redirect's protocol to file resulted in a blank page on the browser. That is, ...
14
votes
1answer
15k views

How to implement an API-Key-Mechanism

first of all: I am quite unsure about the questions title, so if you have a better idea, please feel free to tell (: I would like to know about best-practise examples where services (like Twitter or ...
18
votes
2answers
4k views

Why is 0x41414141 associated with security exploits?

This article and this search suggest that the 32-bit word 0x41414141 is associated to security exploits. Why is 0x41414141 associated to security exploits?
5
votes
3answers
132 views

Drupal Security & Two DBs

I use drupal for our site. It uses nodes that store data. We link lots of these nodes together to allow us to log jobs, customer info, invoices etc. These are linked via an addon drupal module. If I ...
27
votes
4answers
4k views

Convince the company not to store credit card numbers in our webapp

The company I work for needs a system to perform monthly credit card charges to customer accounts. Customers will be able to update their credit card information from an online interface written in ...

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