0
votes
1answer
13 views

How real is the threat of MITM when you have your own network

I never understood why I have to worry about MITM when I am at home connected to my simple WiFiless modem using an Ethernet cable. I can tell how serious the threat is when you are in an Internet ...
-1
votes
0answers
9 views

Which encryption technique should be used for users name and passwords in my notebook

i writing all my passwords and users names on my notebook emails,amazons,facebook. and i have really Nosy little's brothers that will probably look at my notebook when i am not around, which ...
13
votes
5answers
2k views

Why should I sign data that's already encrypted?

My question is about the difference between signing and encrypting. Why would you still sign something if you are already going to PKI encrypt it? Doesn't the PKI encryption inherently provide ...
2
votes
1answer
19 views

What security risks do you face when connecting to a server via RDP?

What security risks do you face when connecting to an (possibly foreign) RDP server? Opening an unsigned RDP file triggers the following warning: RDP is a one way street, right?
1
vote
1answer
118 views

Are HTML Components (HTC) files a potential attack vector?

I'm working on a site that has a higher-than-normal concern for user security. I've recently been working on some CSS issues with older versions of IE (we support 7 and higher) and found that an easy ...
1
vote
2answers
46 views

Which encryption technique should be used for cloud computing data transfer?

I want to setup my application for cloud computing for Software as a Service. There is going to be a lot of data transfer between my server and client, to and fro. The technique I have envisaged is: ...
1
vote
1answer
145 views

Kali linux aircrack

I have AirPort Extreme network card and when I try to use airmong-ng on kali linux in a virtual machine this does not work. I know I need a usb-network card if I wanna make this work but if I boot ...
0
votes
0answers
13 views

Are SSH keys and PGP keys the same thing?

I have a 3072 bit RSA key that I generated for use with SSH. Can this key-pair be used with PGP/GPG, or do I need to generate a new pair of keys separately for use in email encryption? Are the two ...
2
votes
1answer
81 views

How can I protect my “try it with one click” service?

I have a service with "try it now" experience that currently offers a "one click" effort. This service has a pool of N resources (lets say 50). Each new resource takes about 1 hour to generate. ...
0
votes
1answer
79 views

Cowpatty handshakes vs Pyrit

At the moment I have a strange problem: I captured a pcap-file, and pyrit and aircrack tell me that it contains a valid handshake. But cowpatty complains about not having a full handshake, thus making ...
-1
votes
0answers
15 views

Risk in allowing arbitrary fields to enter my database and API?

What security concerns do I need to be aware of if I allow arbitrary fields to enter my database and API? Examplis gratias scenario: POST /api/create-endpoint -d '{"endpoint": "/profile", ...
1
vote
2answers
34 views

What to do about ssh breakin attempts

Our system used to get bombarded by bots trying to login to the ssh client on the standard port. After switching to another port number the failed login attempts basically stopped completely. ...
3
votes
4answers
139 views
+50

Where is the identification process when I use a key fob to unlock a door

I can understand that typing my user name on the computer is "identification" and providing the password is "authentication" but when I use a smart card or a key fob I see no identification taking ...
17
votes
9answers
3k views

Can an HTTPS site be malicious or unsafe?

I know it's possible for a computer to be infected just by visiting a website. I also know that HTTPS websites are secure. To my understanding, "secure" here refers to "immune to MITM attacks", but ...
-2
votes
0answers
19 views

What type of encoding/encryption is this?

Im new to encoding and this realm, and I know this is not Base64. Could anyone tell me what this is? ·H AGHü§“-GYÖÍ=cp:S´’u@Ô∂ıAº¨¿mÇ…VÙ®ù¯˘JÂK‚“][ÿ ∞4‹ ...
0
votes
0answers
20 views

Application Development: How many legislation acts are there to follow?

When creating a application which uses a number of technologies the legislation becomes harder to track. I have a application which uses machine-to-machine technologies. The application stores user ...
26
votes
4answers
2k views

What is the point in having arbitrary username requirements?

I've looked around on Security.SE, but couldn't find much related to the following problem: I recently signed up for Chase Quick Pay as my method of being paid by a part-time job. I've heard of ...
1
vote
1answer
44 views

How to convert SSL Certificate for mobile app?

I am in the current process of renewing my SSL cert for my website. I also have a mobile app for my site. I want to use the same cert from my website in my mobile app. How can I do this? Thanks - I ...
2
votes
3answers
82 views

Which one to ask first in multi-factor authentication?

Let's say I have a system which use something you know, like a password, and something you have, like a code sent to a cell phone, to authenticate. Is there a preferred order to ask for the password ...
-1
votes
1answer
37 views

Anonymity with TOR in wifi connection (student house)

I just moved in a student flat where several students are using the same wifi connection. A few days ago the internet was very slow and a guy (son of the owner) came in to ask if I was downloading. He ...
1
vote
2answers
50 views

Can attackers be traced if they used public WiFi

I always thought it's possible to track attackers unless they try to hide their identities using some form of "physical" disguise. No matter how many proxies you use even TOR seems to be traceable by ...
2
votes
1answer
38 views

Why do so many cracking attempts originate from China?

I recently put a Linux server online and it didn't take long until I had the first attempts to brute-force the SSH login. It's not that I am worried about that - I trust the security of my server. But ...
4
votes
3answers
82 views

How secure is this method to remember security questions?

So I found an interesting method of remembering those pesky security questions. Basically, the guy takes a hash of the question (IE what is your mother's maiden name?) and then appends his own ...
5
votes
1answer
41 views

What are the risks of accepting URL param for automatic redirection?

Can anybody name all the risks of the following scenario: User visits a page, but his session is expired, so he is auto-redirected to login page with his previous page and params added as a single ...
1
vote
2answers
32 views

How secure are SSL client certificate authentications?

As far as I understand it's possible to issue SSL certificates, which could be used by clients for authentication. So in theory only users with valid certificates would be able to access a certain web ...
21
votes
6answers
71k views

If someone hacks my wi-fi connnection, what can they see and how?

I have two questions on wifi security: If someone knows my wifi password (be it WEP or WPA) what can they see on my screen? Do they just see URLs I visit, or can they see everything in my ...
2
votes
0answers
27 views

Is there a way to identify the location of a person trying to intrude your wifi network? my wifi router is picking up his attempts

Aug 30 20:28:09 dropbear[6799]: Child connection from ::ffff:5.10.69.82:38463 Aug 30 20:28:11 dropbear[6799]: login attempt for nonexistent user from ::ffff:5.10.69.82:38463 Aug 30 20:28:12 ...
1
vote
1answer
24 views

Secure automatic authentication to samba share

I need to pull some data from network storage to a publicly available laptop that is running Linux. The network storage used to be provided via a server that could be connected to via ssh, but it has ...
1
vote
1answer
123 views

Is keystore file(server.jks), my private key file?

My task is to convert .p7b to .pfx. It would be great, if you could provide me some pointers. Below are the steps I did to generate .p7b file. I generated jks(java keystore) file using below ...
0
votes
0answers
21 views

Virus/Malware: Force Java Download

I have two separate pieces of security software that run regularly - Webroot and Microsoft Security Essentials, and even though neither of these have detected anything is wrong with my computer, every ...
1
vote
1answer
872 views

How to crack SHA512 hexdigest passwords with John the Ripper?

I've been playing with John The Ripper (JtR) to try to crack/audit a salted password that was hashed with SHA-512, with 20 interactions according to the source (for the curious, this is a Rails app, ...
3
votes
2answers
295 views

Why is a CSR hashed?

What are the use cases for defining something other than the default SHA1 hash in a CSR? Is it to protect the digital signature, public/private keys? What is it protecting exactly?
1
vote
1answer
98 views

Is it safe to store public key encrypted password in the Mobile Device for authentication purposes?

I have a Apache Cordova hybrid mobile app that needs to authenticate users, but we don't want to prompt for credentials every time the app is used. Some options came to my mind: Store the password ...
0
votes
2answers
39 views

Does Non Repudiation offer proof of receipt ?

I understand that non repudiation intends to provide a mechanism that reliably proves that the sender of a message cannot deny sending the message. But does it also provide similar mechanisms to ...
0
votes
1answer
34 views

Problem with OpenSSL rejecting CA possibly due to 12 digit Serial No

I work as a tester at a VoIP software company. We've been running into a problem with using TLS to communicate with certain phones. The phones are from different manufacturers but both exhibit the ...
1
vote
1answer
112 views

What causes a powershell payload to run the first time but not the second?

I created a windows/meterpreter/reverse_https powershell payload using the python script provided at the end of this article. In the first run, the meterpreter session opened successfully, when I ...
1
vote
2answers
65 views

Does WPA2 Enterprise protect against evasdropping from within the network?

At home, I have a simple ISP supplied router where I have set up a WPA2-PSK wireless network for our laptops and other devices. While I played around with Wireshark, I noticed that I could use my ...
1
vote
1answer
38 views

Is threr any artifacts for filesystem forensics in memory?

I have a memory dump I know it is infected by a rootkit use its own filesystem installed at the end of the disk, is there ny artifacts in dmp file to show this? thanks
1
vote
1answer
47 views

Getting null byte injection attacks to work with PHP 5.2.17

I'm trying to understand how null byte injection attacks in PHP code used to work before it was patched in PHP 5.3.4. I have this sample HTML page that is a somewhat modified version of what's shown ...
2
votes
4answers
3k views

How do I diagnose client-side SSL errors?

Often on my home network I get random SSL certificate errors when I visit certain well-known sites. Today it was a Google SSL error, where Google apparently tried to identify itself as *.icloud.com. ...
3
votes
3answers
177 views

Can firewalls get affected by the traffic they process

Does such attack exist? Forgive my wild imagination but is it possible for a hacker to pretend/try to communicate with a service on the server and when the firewall examines the traffic it get's ...
3
votes
3answers
121 views

Could “system volume information” and $RmMetadata pose information leakage on a nuked HDD?

I recently nuked my HDD(s) via a Windows program (Disk Wipe to be precise: http://www.diskwipe.org/), now everything is fine when I try to retrieve the information on that disk by any program I can ...
1
vote
2answers
30 views

How to Secure Exchange 2010 cookie?

We have received the below finding from an IT audit. Missing Secure Attribute in Encrypted Session(SSL) Cookie: It is best business practice that any cookies that sent over (Set-cookie) an ...
1
vote
1answer
64 views

Shared Key vs Pre-Shared Key

Does Shared key and Pre-shared key mean different thing ? Currently reading Text , Security+ Guide to Network Security Fundamentals.
0
votes
1answer
26 views

User Binding Request with credentials in Lync Dump

I've dumped a call between two lync clients and saw that there were some UDP packets that look like this: Server -> Client 1132 14.495362000 <serverip> <clientip> STUN 146 ...
0
votes
1answer
57 views

Unencrypted connections between 2 people who use the same ISP, what's the risk?

What is the risk, man-in-the-middle or otherwise, of unencrypted connections between 2 people who use the same ISP, in the same city? If we assume the ISP (and the copper wire that leads to them) is ...
24
votes
4answers
10k views

Does a Virtual Machine stop malware from doing harm?

I would like to know if it is save for the host system of a virtual machine (VM - VirtualBox OSE in my case) to execute malware. Can a virus break out and read or write data from the host system? ...
0
votes
0answers
37 views

How to use Truecrypt AES keys to decrypt a Truecrypt volume

I am performing a forensics experiment. I have access to a '.mem' memory dump and I am successful in extracting 2 AES keys from the dump. Now I wish to use these AES keys to decrypt a volume encrypted ...
0
votes
1answer
75 views

How can LastPass enforce 2-factor authentication

I've recently started using LastPass and one of the things you can set as a policy for you password vault is Prevent offline access when using Google Authenticator. The local cache can be ...
1
vote
2answers
58 views

How to secure a web service for web applications using same database?

I have 2 or more web applications that need to be able to communicate together using a web service interface. Information All applications are using TLS/SSL (https) All applications have access to ...

15 30 50 per page