All Questions

20
votes
1answer
680 views

What attacks, if any, are possible against Security Support Provider Interface (SSPI)?

I've been looking at SSPI recently, as it is used for authentication in a variety of Microsoft products. From the looks of it, it's based on GSSAPI and provides an abstraction for wrapping various ...
0
votes
3answers
66 views

Does Wifi encryption create a private tunnel between the adapter and the accesspoint?

When non HTTP/S data is sent over Wifi, can that data be seen by other machines that happen to also be connected to that same access point? Does the privacy of the HTTP data depend on the encryption ...
0
votes
0answers
18 views

Cracking WPA2 using Intel HD Graphics GPU [migrated]

I use Linux Kali and yesterday have captured a WPA handshake of my network. I want to crack it's password - but my CPU with aircrack-ng checks only about 2000 keys per second. In my laptop I have got ...
-1
votes
0answers
11 views

/etc/httpd/conf/httpd.conf and /etc/httpd/conf.d/owncloud.http /Directory directives [migrated]

Below is a segment from the owncloud.conf file in /etc/httpd/conf.d. It is the intent to lock out all access except the 10.0 intranet and a limited set of external ip address xx.yy.0.0. However the ...
2
votes
2answers
1k views

Is this a valid Windows update page

In my chrome browser if I google for Windows Update the first hit is windowsupdate.microsoft.com/‎ When I click on it I am redirected to ...
0
votes
0answers
30 views

DNS Amplification attacks [on hold]

For an academic paper,I need to simulate a DNS amplification attack and show how it can be mitigated.How to go around simulating a DDOs attack,because I don't have zombies at my disposal and I don't ...
0
votes
2answers
46 views

Sign SSL certificate with root certificate using openssl

I have created a root certificate, My Root Certificate, with a private key, RSA Private Key 1, using the openssl terminal command. I would like to make a certificate chain such as the following: My ...
0
votes
1answer
17 views

Gnome-keyring iteration count location

I know that Gnome-keyring hashes master password between 1000 and 2000 times. It picks random number. I would like to ask where does it save this number, what is the location of that file? As far as I ...
1
vote
1answer
65 views

encryption of Google's android apps

Does Google use encryption on it's Android apps like Gmail, drive, Google Play, docs, others in authentication and transit? What the type of encryption is it? Is it secure? I have tried searching ...
2
votes
3answers
218 views

Is it safe to ignore DoS attacks on my router?

There are several entries in my router's log file showing recent DoS attempts on some ports on my router. They look like this: [DoS Attack: ACK Scan] from source: 213.61.245.234, port 80, Friday, ...
0
votes
1answer
13 views

Endpoint for checking if user exists in system

I have question regarding users point of view of this endpoint /api/user which requires POST data: email=user@domain.com and returns {"user@domain.com": "exists"} I am concerned if users might think ...
1
vote
1answer
23 views

is there a risk in increasing esmtp header line length against rfc5822 - asa/pix question

Have a question towards the 998 bytes limitation on the esmtp header line length. We have noticed the asa is dropping emails coming from various external mail servers with the header line length ...
1
vote
2answers
75 views

Encrypted retrievable password

I have a password conundrum. I need to store an encrypted password in a DB table but in such a manner that would allow me to retrieve the password as plain text afterwards. Please note that this is a ...
0
votes
2answers
82 views

What is the difference between active reconnaissance and scanning/enumeration

I have just started studying for CEH exam v8 and I am trying to get the core of so called hacking phases. I could not totally understand the practical difference between the first two phases. In ...
0
votes
1answer
36 views

What technique should I use to prevent unpermitted access to my REST API

I need to build an REST API that can be accessed via HTTPS when given valid credentials. How should I implement those credentials? I am looking for advice whether I should use plain old passwords, ...
3
votes
1answer
139 views

Is storing CVV compliant with PCI standards?

From personal, job-related experience I know that many "Booking Engines" store the CVV info for customers' credit cards from the time a reservation is made until the time the guest leaves the hotel. ...
0
votes
1answer
81 views

HMAC based algorithm for publicly sharing authenticated messages

I am trying to design an algorithm for publicly sharing authenticated messages. Obviously, asymmetric public/private key schemes do this, but I want to avoid the requirement that users have to keep ...
23
votes
1answer
2k views

Facebook password lowercase and uppercase

Recently I logged into my Facebook account and then noticed that my caps lock was on. So I tried to log in again with and without capslock on. I got in both times. Then I tried to log in with the ...
0
votes
0answers
12 views

How does WebID fit in the SAML picture?

How does WebID fit in the SAML picture? Are they related or completely unrelated? Can they work together? If yes, what are the benefits?
0
votes
1answer
49 views

Can a botnet be used to effectively break encryption keys?

Can a botnet amass and coordinate enough computing power to break encryption keys that are typically considered to be secure (through brute force)? If this is the case, do we need to make our ...
0
votes
1answer
39 views

Are 2FA soft-tokens flawed if the user can log into the website from the same mobile device?

If I'm using something like Authy for soft tokens for my users, and they log into the web application on the mobile device itself, haven't they just lost the benefit of 2FA (ie loss of the mobile ...
-1
votes
0answers
8 views

KSN in DUPKT algorithm

I am testing DUKPT pin translation block and i have the BDK in place.. i need to know how can i generate my first KSN and then further increments.. Simply i need to know how to make up the KSN to ...
0
votes
0answers
22 views

Information Gathering - Passive

I have several subnet to assess for a VA but the assessing will start next week. What could I do with the subnet that the client has already provided to me, without break anything or be intrusive ...
1
vote
0answers
14 views

Is there an extension/command line for OSX Chromium to save website passwords in LOCALSTORAGE instead of the system's keychain?

My situation: I want to use a portable-app implementation of Chromium running on a removable drive, so I never leave any passwords stored on the kaychain of any computer I use. Portable Chromium is ...
0
votes
4answers
82 views

How and why does not having https allow people to trace my browsing habits if at home? [on hold]

How can my browsing habits be traced when I am at home on my own local network? Technically how is it done ?
1
vote
1answer
31 views

Security implication of non-free drivers

I was wondering what the security implications are of using non-free drivers on a linux laptop. Especially for graphics and wifi.
-1
votes
1answer
30 views

Calculating the breakability of a given encryption method

I will soon be doing a very important project for school. The main goal of my project is to find a mathematical way to calculate the breakability of a given encryption method of ciphertext. Is there ...
0
votes
0answers
27 views

How can I Run my Kali Tools on a Remote Server [migrated]

I am currently ssh-ed into a remote server. However, I do not have root permissions on the remote server and therefore am unable to install and use tools such as nmap. I've been trying to figure out ...
0
votes
2answers
64 views

Legality of cookie(set by other sites) tracking

I have created a website A which asks username & password, there exists another closed source website B which again asks for login credentials. A user uses both these websites .I want to ...
3
votes
1answer
74 views

secure way to store application settings

What is a proper or, if possible to tell, the best way to store configuration in matters of security? So far I can tell that a database with very restricted access is a good way, but please lets ...
3
votes
2answers
192 views

how to know which encryption is been used [duplicate]

Is there a way to find what type of encryption/encoding is being used? For example, I am testing a web application which stores the password in the database in an encrypted format."azOwKPoUYP4=" is ...
2
votes
1answer
34 views

What method could a white-box attacker use to track the deletion of memory / files?

A rather theoretical question: Assuming there is memory with a malware inside it. The malware's goal is to detect if a legit application is about to delete contents of the memory. If recognized, the ...
2
votes
2answers
150 views

What's the difference between X.509 and PKCS#7 Certificate?

Am I correct calling file with .p7b file extension saved as 'Cryptographic Message Syntax Standard - PKCS#7 Certificates (.P7B)' in Windows - a 'PKCS#7 certificate'? Or is it better called 'X.509 ...
5
votes
1answer
377 views

Google Chrome browser warning for goo.gl

I am getting the solid red screen Chrome browser malware warning for Google's own URL shortening website, goo.gl as well as other sites such as bit.ly and delicious.com when I try to navigate there ...
12
votes
6answers
11k views

Where does SSL encryption take place?

I checked the data transmission of an HTTPS website (gmail.com) using Firebug. But I can't see any encryption to my submitted data (username and password). Where does SSL encryption take place?
4
votes
4answers
118 views

What problems if any are caused by opening a port in the firewall that no program listens on?

I have a port forwarded and open in the firewall that I sometimes use to play games with friends over the internet. The game server doesn't run 24/7, only when I'm actually playing is something ...
-1
votes
0answers
35 views

bank of england cbest [on hold]

Mainly for UK guys but has anyone started working with - http://www.bankofengland.co.uk/financialstability/fsc/Pages/cbest.aspx It would be interesting to get any feedback on how well this works / ...
0
votes
3answers
24 views

Pre-filling username for access to online web application

When sending web application users a reminder email, is it reasonably safe to include a link in the email to take them to the web application sign in form whereby the link has their username as a ...
1
vote
0answers
65 views

Can a physical attacker compromise a Windows machine with UEFI, secure boot and bitlocker?

Machines such as the MS Surface Pro 3 comes with bitlocker encryption and UEFI secure boot out of the box. However, the default boot order is network -> usb -> ssd. If an attacker gets physical ...
0
votes
1answer
16 views

Is openVZ patched against all exploits for its current kernel version?

I am looking for a container vitalization software that will allow me to create containers that will house specific software/jobs/tasks which I can start stop at will (and bind to interface aliases). ...
1
vote
0answers
106 views

Has 100+USD, accidentally

Yesterday, I just visit a shopping site which use serial payment method and I type in some serials randomly then my account have 100USD; I just want to 'test' that website (for the bug bounty), is my ...
0
votes
2answers
75 views

Trust relationship between domains

I am working in a organisation where it has a structure of parent company and Subsidiary. Both are individual domains without Trust. I work for Subsidiary Requirement is Subsidiary company should ...
0
votes
2answers
83 views

Open email accounts on public computers

When I use a public computer at a certain location, logging into the workstation and going to a site like gmail.com (to check my email) I find that another user is already logged in. Same happens for ...
3
votes
4answers
179 views

How much of a risk to students is an open WiFi network on campus? EDIT: please read in full.

I've been battling bureaucracy at my community college for months on this issue; a few months ago, they changed security on the SSID for students; It used to use EAP, allowing students to enter their ...
1
vote
0answers
23 views

Mutual Authentication Protocol based on MAC & shared secret key

I am quite unsure about how to approach this question, was wondering if anyone could give me a nudge in the right direction, I would be most appreciative! So I've learned about the 4-way handshake ...
0
votes
1answer
34 views

How are SCrypt's memory-hard requirements substituted with more CPU?

I've implemented scrypt with two separate APIs and in both there existed no settings providing a way to substitute CPU for memory. Both were locked one-to-one with rounds and memory. However in ...
-1
votes
0answers
29 views

Configuration file with 12-character XML-encoded passwords [on hold]

I have received a configuration file with 3 passwords I'm trying to crack. However, I'm having a hard time determining what hashing/encryption mechanisms are used for the passwords. The cipher ...
-3
votes
0answers
23 views
0
votes
1answer
154 views

Are temporary files an issue when opening and editing an encrypted 7z file?

I am new to security and encryption. I want to store important information like passwords and pin codes so I don't forget them. So far I have been using LastPass but I would prefer a solution I ...
15
votes
3answers
4k views

Is it possible to get the salt if I have the hash and original password?

Is it possible to get the salt if I have the hash and original password? My gut feeling is no, but would it be impossible or will it just take very long?

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