84
votes
7answers
4k views

Is social-engineering an actual threat

I've recently finished book The Art of Deception: Controlling the Human Element of Security by Kevin Mitnick The book was released on 4th December 2002. Not talking only about techniques described ...
4
votes
1answer
258 views

How do attackers gather remote feedback for identifying and exploiting buffer overflows?

Local buffer overflows are relatively easy to understand: throw some input at an interface and see if the process fails with a core dump or similar. However, in my mind, this kind of exploit works ...
3
votes
1answer
1k views

w00tw00t.at.ISC.SANS.DFind iptables fix - abusable?

It's only an idea. I've recently logged that my server is scanned by w00tw00t tools. I found many solutions to this, such as use of apache mod-security, fail2ban, etc.. The one I want to speak ...
2
votes
1answer
393 views

Tomcat IP restriction vs Two Legged OAuth

We have a server side API that is completely REST based. We are coding to secure them with two legged oAuth type authentication. We are planning to iPhone and Android apps in the future, but for now, ...
5
votes
3answers
2k views

Proof of SIM card possession on iOS devices

I need to proof that a user of my app is in possession of the correct SIM card. On android devices, this is possible by simply sending a challenge within an SMS to the corresponding number (the proof ...
2
votes
1answer
2k views

How do I protect my Windows computer against the IPV6 flood attack shown in this video

In the DefCon video "Three Generations of DoS Attacks (with Audience Participation, as Victims)", the speaker demonstrates how it is possible to crash a variety of devices by flooding them with IPV6 ...
8
votes
3answers
3k views

Can malware read keychain entries on iOS devices?

Keychain entries of a 3rd party app are protected according their 'protection class'. For example, assigning the class 'kSecAttrAccessibleWhenUnlocked' to a keychain entry means that the entry is only ...
3
votes
4answers
357 views

Help to account all the points of physical access to a rack server to steal software

Let's say I want to move my 1U Dell server to co-location site with a hostile company who will try to steal my code (this is almost 90% probability if I dont take steps)... The limitation for their ...
2
votes
1answer
2k views

Expected cost and time frame for black box pen testing?

I work for a major publicly traded company and we need some external black box pen testing done on a Win32 executable. This exe is used in a large client server infrastructure and is a central piece ...
3
votes
1answer
624 views

Can fuzzing be considered a software testing technique for any vulnerability type

I'm doing a research on fuzzing and I would like to know the answer to the question in the title. The cvedetails uses the following categories for vulnerabilities: Bypass a restriction or similar ...
5
votes
4answers
5k views

What are the basic certification course for beginners?

I am an application developer in MNC with 2 year experience. What are the basic certification or course should I do what can help myself to shift in security field?
3
votes
4answers
307 views

Is there a security device to register unauthorised physical access?

I understand that it is not possible to secure your software if a third party has physical access to the box (eg colo). So may be I can install some sort of hardware (like a seal) which only need to ...
4
votes
2answers
451 views

Are there volatile memory chips which dont retain data after power off?

It was demonstrated that dram modules can retain information up to 10 min after power off in certain conditions. My question - are there memory types which will retain data 10 sec at max even if being ...
7
votes
2answers
607 views

Is accession number+service (CPT code)+date of service considered PHI (protected health information) under HIPAA?

Imagine you are designing a system that's comprised of overdue worklists for doctors (e.g., Doctor X you have 3 overdue studies to look at). In the notification, you identify the studies they have to ...
6
votes
2answers
2k views

Difference between directory traversal and file inclusion

I guess the title says it all. There seems to be no obvious difference between directory traversal and file inclusion vulnerabilities. But I guess there must be some difference, since the ...
5
votes
1answer
700 views

PCI - what qualifies as public access?

My development staff is in the process of automating our end of month process. There is a small manual step that needs to be executed. We have been thinking about the PCI ramifications for making ...
1
vote
1answer
727 views

Is Intel AESNI supported by Xen in VPS/Cloud hosting environments? [closed]

I'm having trouble determining whether when using a hosting company that uses Xen virtualization and Intel processors with AESNI embedded encryption, I would have access to AESNI (i.e., is it an ...
8
votes
3answers
420 views

Securing a LAN without Physical Security

I've got an interesting dilemma. I have a large (50+ users) office that is going to be on the campus of a local university. The purpose is to foster collaboration, etc, but the open environment is ...
16
votes
2answers
3k views

If you have to write an information security guide for non technical users, what would you cover?

Inspired by a question I saw on Twitter: As the title says, what items would you include? And to what depth? Are there obvious topics everyone should be thinking of, or is it important to advise on ...
7
votes
4answers
4k views

Protecting against DOS attacks

Our current site is easily DOS'd. I can perform an AB test against it from Apache and it disappears for about 5-10 minutes. We have been having problems with others DOSing the site - to the point ...
6
votes
1answer
123 views

What are concerns with storing passwords in a restricted public folder on exchange?

Is it safe to store data such as account log-in information (for vendor websites, not administrative accounts), settings policies, activation documentation, and operating system keys in a public ...
14
votes
6answers
7k views

How is something as simple as a keylogger detected on a computer?

I found one online, which I wanted to try out at my house and see if it actually worked. It's written in C, and it is not very big at all considering half of it is just a bunch of cases for which key ...
4
votes
3answers
805 views

URL redirection vulnerability

I've just read the following advisory at http://www.securitypentest.com/2011/02/facebook-url-redirect-vulnerability.html. In its solution section, I found a strike-through text: "Only works when your ...
8
votes
2answers
8k views

How can someone hack my PC if I am connecting to the internet through NAT?

If I own a private IP address, 192.168.2.1 for the sake of it, and I am physically connected to my router, which it's internal interface is 192.168.2.254 and it's external interface is some public IP ...
24
votes
2answers
8k views

What is the difference between a Hash Function and a Cryptographic Hash Function?

I mean, is it just a matter of "how difficult is it to reverse the function with the current technology"? Or is there a mathematical concept or property that makes them different? If it is a matter ...
12
votes
3answers
6k views

Why is faking SSL certificate difficult?

In the news that comes from Iran, you hear that Iran has succeeded in making fake ssl certificates, so that they can find people's gmail account credentials. Some analysts are saying this is possible ...
7
votes
10answers
467 views

Contract requires me to work with sensitive IP, severe penalties for loss of data to 3rd parties. Some protection pointers please

Background: The company I will be working for as a consultant has developed IP which could potentially be worth billions. The confidentiality clause in the contract has penalties for breaching the ...
1
vote
2answers
198 views

Policy for remote-access situations?

We have network which users (mostly management, it, and the presidents) use VPN to remote into their work desktops or to use their laptops from home. After some users took it upon themselves to ...
3
votes
2answers
210 views

How can I tell who's using my cookie information on an open LAN?

I think someone is using my cookie info to log into my Facebook account on a public Wi-Fi network. How can I determine if this is happening and from what IP address?
3
votes
2answers
811 views

Where can I find information about how to implement Intel embedded AES256 encryption?

I heard this can really speed up encryption performance, but I can't find any good information about how to implement it.
3
votes
3answers
2k views

Is encrypting data with a private key dangerous?

I have been reviewing code for various internal apps that handle secure transmission of data with external systems. These follow the following process: RSA encrypt data with 3rd party public key RSA ...
3
votes
1answer
719 views

Notable XSS attacks in 2011

I am wondering what notable events in XSS attacks we saw in 2011. What big events hit the infosec community in regards of XSS? I am thinking of specific events like for example the Samy worm in 2007 ...
0
votes
1answer
65 views

Is there a grading standard for security that I can apply to my MVC3 web site?

I'm looking for a standardised set of tests or scoring measures I can apply to my web site to be able to quantify it's standard or level of security. I can do some research and compile a check-list ...
6
votes
1answer
1k views

Hadoop security, isolation, and hardening

This is a multiple part question, which all really come back to the main question: How best to protect data in a Hadoop (wikipedia) cluster. (Current version, vanilla main-branch distro - ...
4
votes
4answers
562 views

How to securely delete a table in MS-Access?

I have a Windows 7 computer which currently has a large working Microsoft Access 2007 database on it containing some tables with confidential data. I would like to securely delete/remove the tables ...
2
votes
2answers
2k views

How do I figure out how malware infected my server, and the subsequent sites on the server?

I recently was in charge of fixing our server at work, and cleaning the sites on it. We were infected with some malware that injected some code into some of our clients websites. Apparently, there was ...
2
votes
2answers
1k views

Removing Google Analytics cookie string from URL - security hole?

On our site, we use google analytics and we have to put the GA cookie in the URL since we have a two letter domain and IE imposes some cookie limitations on those. This means that when going between ...
10
votes
2answers
7k views

Understanding Layer 7 DoS

I recently read this article about how a lone hacker (The Jester) conducts, amongst various other things, his DoS attacks over layer 7 instead of layer 4. It also mentions at one point he was able to ...
3
votes
1answer
433 views

Does strong naming remove the need for packing/obfuscation?

I'm new to .NET programming, and I'm wondering - from a security perspective - whether the strong naming scheme used in .NET assemblies completely removes the need for other commonly used techniques ...
3
votes
2answers
2k views

SMS / voice call interception with a fake base station

This answer to a similar topic describes in a detailed way how vulnerable SMS and voice calls are in terms of decryption. In order to do so, an attacker needs to set up a fake base station located ...
1
vote
0answers
73 views

Is there a way to detect and extract steganographically hidden data from a picture? [duplicate]

Possible Duplicate: Detecting Steganography in images Is there a way to detect and extract hidden data from picture which altered by steganography? For example, If someone tried to spill ...
3
votes
5answers
1k views

TrueCrypt dataleaks that might betray the “Deniable File System” option

Reading into "Operation Satyagraha", one would have to believe give all the resources used that the investigators had some reason to believe there was data to decrypt, even though in theory and in ...
0
votes
3answers
720 views

DNS queries with hex string that is a SHA1 of a domain name! Is it a malware?

My computer does a lot of queries to strange domains such as: 56cea5c2b408989ab067adcb787d0f99209bbe07.mydomain.com The strange thing is that 56cea5c2b408989ab067adcb787d0f99209bbe07 is the SHA1 of ...
3
votes
4answers
1k views

Can a CSRF CAPTCHA be defeated?

One defense that developers use to protect against a CSRF attack is to implement a CAPTCHA in critical steps. A CAPTCHA ensures that a human is at the keyboard approving the activity. But I've ...
3
votes
3answers
261 views

Modeling & Simulation: Do vulnerability-scanner software simulators exist?

In my research, i am attempting to develop a simulator that mimics the output of a vulnerability scanner, given a set of parameters (e.g., Network IP ranges, number of machines to scan, typical ...
9
votes
4answers
2k views

Is it safe to serve any user uploaded file under only white-listed MIME content types?

Let's say I develop an application that, Allows any user to upload a file of only white listed mime content type and extensions (word and pdf). Serves those files with the allowed extension and ...
3
votes
4answers
428 views

Personal Data Encryption Workflow

By personal, I mean for one person that's not sharing the workflow of data access with any other users. Appears based on the feedback I got on ...
2
votes
1answer
557 views

Large lan party : How to identify the users on the network?

I would like to know what are the good way to identify users on a large lan party when you manage network ? I had the idea to make the users register them self at a desk, they give us Firstname, ...
4
votes
2answers
4k views

Does Google record search / source IP [/ user] pairs?

Does Google record search / source IP [/ user] pairs? What if my Search History is off?
4
votes
2answers
4k views

Security Architect as a career path. How do i do it?

As it says, I want to become a Security Architect and I'm not sure of the career path to follow! I've already asked a few questions about certifications and got great help from this community. ...

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