2
votes
1answer
13 views

Suspecious js file sent as email attachment

I received a js file with following code in my spam folder but I decided to take a look into the file. Do anybody of you know what does this code might do? var evl='';function nr() { evl = '}; ' + ...
1
vote
3answers
26 views

Security in Windows 7 vs Ubuntu

I have two semi-related questions about the security-related reasons I hear for switching to Ubuntu over Windows 7 (or from other Windows OSs to other Linux distributions). Someone people say that ...
0
votes
1answer
17 views

Mobile Game Auth Token Stolen

Basically someone sniffed my packets and stole my auth token/cookie for a mobile game I have played on for a year and spent thousands on (crazy I know) and now they are controlling my account through ...
-1
votes
2answers
22 views

Is Firefox on Ubuntu less secured (does it not confine Flash)?

Ubuntu Linux makes it easy to install Flash as soon as you encounter it. Just like Firefox on Windows really! Installing it on Ubuntu even provides security updates through the standard OS method. ...
2
votes
3answers
65 views

How do RSA SecureID ® Keys Work?

I have been using RSA SecureID ® Keys for quite some time now (perhaps 10 years), for things such as securely my home banking account online or accessing my company's network of computers from home. ...
-2
votes
0answers
21 views

Preview of Planned Backdoors in Smart phones and their OSs [on hold]

I want to know if there are planned backdoors or not in hardware and its OS. I am not interested in those backdoors which come and go. However, note that there can be agreements between the ...
0
votes
1answer
34 views

How to ensure that a login is really going over http?

So I've been offered the chance to go to a day long security awareness event hosted by some organization. On their site, I noticed the login box in the corner, but the site was delivered on HTTP. ...
1
vote
0answers
11 views

Force TLS on mobile app

i'm developing a mobile application for iOS and Android. On this app i'm asking resources on a secure server through ajax. Server's developers asked me to force the call in order that we use TLS ...
2
votes
3answers
213 views

How secure is an Activation Email?

Is there any risk to an Activation Email? My ASP.NET Site is set up so that a user has to check their Email and click an activation link which is made of a GUID created as their user ID in the SQL ...
-5
votes
2answers
38 views

Large web application security challenges

What are the biggest challenges of security in web applications? I want to do a search in the area but I'm not sure what I want to look, I want something that people think it is impossible to serve ...
1
vote
1answer
20 views

Best practices for usefully storing two factor authentication backup codes?

For a lot of web services offering two factor authentication, after setting up the system, you are given a short list of backup codes (one-time pads) that are around 7-10 characters long. These are ...
1
vote
0answers
24 views

Obtaining login scripts for a domain?

I have read that a useful technique in penetration testing is to obtain the login scripts for a domain, as they may often have passwords obfuscated in there or other useful information. However, in ...
2
votes
1answer
39 views

Is tor really fully decentralized?

I think, somewhere an initial list of the connectable peers had to download. Manipulating this list, or the server providing this list, weren't a serious security compromise of the whole network?
0
votes
3answers
80 views

How are computers identified across networks?

IP addresses are assigned to computers when they connect to the internet and change depending on your location. However, I read that your computer also has an address that doesn't change. So, when ...
1
vote
0answers
18 views

How to locate a domain controller on a Windows network when not a member?

Is there a way to determine which machine on an active directory network is the domain controller, if on a computer not logged on to the domain? This is for a penetration test, going in blind. I've ...
2
votes
1answer
54 views

What is investigated after a possible hack on servers?

My question follows recent news of the Sony hacking incident. I was wondering what type of investigation is conducted by a security firm or the FBI. For example, if the network servers were hacked, ...
7
votes
2answers
578 views

Does the entire AES encrypted dataset have to be present to be 'cracked'?

I am implementing an AES 256 algorithm on credit cards and I am wondering if I would be strengthening or weakening the encrypted dataset if I split the dataset and persisted it in two locations. I ...
1
vote
2answers
27 views

What do we have to keep in mind when opening up our data to a third party?

We have a database with pictures (amongst other things). We have a few apps that can connect to this database via a php webservice (send https requests to a php file to retrieve stuff from the db and ...
1
vote
1answer
17 views

What are the practical risks of using IKE Aggressive mode with a pre-shared key?

Our scanning vendor is marking us down because we are using IKEv1 in Aggressive Mode with a pre-shared key. We are using Sonicwall's Global VPN Client to connect to the VPN device in question. I ...
1
vote
0answers
13 views

Compatibility issue if two wordpress security plugins are used together

My Wordpress installation uses sukuri as well as wordfence for security. Is there any possibilty that using both of them together might create any compatibility issues? I have this doubt because ...
2
votes
2answers
44 views

Connecting trusted and untrusted networks

We have two domains that are isolated. First domain is the Corp LAN, the second is an hostile untrusted network with untrusted clients that could contain malware. Clients on the untrusted network ...
4
votes
1answer
61 views

About onion packet and onion routing?

I was just wondering if anyone has a diagram showing what is encrypted inside an onion packet when it leaves the sender? When a Tor client sends the packet out, wouldn't the entry onion node know ...
0
votes
2answers
59 views

What is the best resource to learn malware analysis? [on hold]

I am looking for a resource that helps learn malware analysis. I know about the practical malware analysis book but i am looking for something other than a book. For example a Site or video tutorials. ...
3
votes
2answers
38 views

Web server interaction with a database server

It is common knowledge that any servers exposed to the internet needs to be placed in a DMZ. However, a web application sometimes need to get user input and updates to backend database tables etc. How ...
0
votes
1answer
20 views

Security risk of allowing ICMP “destination unreachable” packets on AWS

If I configure an Amazon AWS VPC, should I explicitly allow ICMP "destination unreachable" packets outbound? I am wanting the VPC firewall to block everything by default, however does this mean this ...
0
votes
1answer
32 views

SFTP or FTP through VPN?

I'm struggling to find out whether or not I should set up SFTP since I already connect to the internet using a secure VPN. Is the security using FTP through a VPN (using OpenVPN, more specifically ...
2
votes
1answer
39 views

Standard for Determining the Anonymity Level of a Proxy

Is there a standard for determining the anonymity level of a proxy? After reading various articles, I have come to the conclusion that you determine the anonymity level by analyzing the headers but I ...
0
votes
0answers
34 views

How to ensure all traffic goes through VPN?

I want to make sure all traffic goes through the VPN. The VPN manager has an option to enable a "kill-switch" which cuts off the internet if the VPN is not being used, however this feature buggy and ...
2
votes
1answer
33 views

Sucpicious process running in centos server

Following is the output of the "top" command. I have clipped the result. Here, I want to know the detail of the process called httpd.pl. PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ ...
-1
votes
2answers
110 views

Google is going to mark all HTTP traffics as insecure in 2015? [on hold]

Firstly I would like to mention that I got this news from a blog I have read in last few days. This is only, perhaps, a rumor. If this is true, does this mean that anyone using Google Chrome or apps ...
1
vote
1answer
38 views

How does Yandex Alpha sign me in automatically?

I downloaded the new Yandex Alpha browser. When installing, I chose not to make it the default browser and not to send anonymous usage statistics. I never got a prompt whether I wanted to import ...
0
votes
1answer
30 views

csh http shellshock on a windows 2008 server

My company's McAfee system detected many "http CSH bash ShellShock code injection attacks" attempts on a Windows 2008 server running Apache Tomcat Coyote. Does this config present a potential attack ...
0
votes
0answers
6 views

sending data from android client to database

I have created an android app which sends data to a web service (wcf). Right now the user sends his test result (test id, test name, test time and user ID) the problem is I that i send the data from ...
1
vote
2answers
25 views

Mobile apps and apps store security

This question is with regards to mobile apps and apps stores. Is it possible to program a mobile app that looks like a legitimate app, say for a bank, with the aim that people will download and use ...
3
votes
1answer
43 views

If I visit a https site from a Family Safety-enabled computer, and someone drops in on the connection, will I be notified?

While reading about Family Safety and HTTPS: Since HTTPS is designed to prevent snooping, Microsoft Family Safety would be unable to monitor the encrypted traffic unless it performs what is ...
1
vote
1answer
54 views

Someone else on my computer at the sametime?

What should I do if I feel that someone else is accessing my computer at the sametime I am using it? I think about this almost always no matter which carrier I use, or even try a different computer. ...
1
vote
0answers
25 views

Connecting to postgres with SSL

I need help understanding some basics about the postgres database server and SSL. I am developing a Windows desktop application that will connect to a postgres database, in single user mode, with both ...
0
votes
0answers
26 views

How to securely store SSN details in a database while maintaining searches?

My question is very similar to this one, but in my situation I do not need to recover the real value. My concern with just hashing the value is that since there's a finite and (relatively) small ...
0
votes
0answers
10 views

Is it possible to pass the hash with a hash captured from spoofing NBNS responses?

I know that it is possible to use a hash obtained from the Windows SAM in a pass the hash attack, simply setting the hash for the SMBPass paramter for various modules in metasploit. Can a hash ...
14
votes
3answers
2k views

Detecting and preventing 'phone home' behavior in PDF files

I have received several PDF documents via email from someone I do not trust. I need to read the documents and respond to them. They are not encrypted. I want to make sure the documents are ...
0
votes
1answer
70 views

Quick question regarding suspicious disk space use:

Quite some time ago I used a friend's computer. I can't remember exactly what I was doing; but as part of whatever it was, I needed to use a USB flash drive. At a point in time soon after connecting ...
0
votes
0answers
38 views

Request for Google Password for Calendar Updates

A website that I trust (Delta Airlines) offers a link to add flight information to Google Calendar; that link opens a window asking for my Google login and password. Based on the advice in a similar ...
2
votes
0answers
39 views

Powershell opened up, switched to administrator mode and ran scripts all without me touching my computer. How worried should I be?

I'm on a laptop running Window 8.1 connected to the internet running Kaspersky. I am the sole user and administrator of this laptop. While going about my usual work, I paused for a moment (hands off ...
1
vote
2answers
46 views

Does sending credit card info over email violates PCI DSS?

Being in the US, I have noticed that more and more companies ask to send sensitive credit card information (all information that is required to make a transaction) over a plain email. I believe that ...
1
vote
0answers
19 views

Nmap's options beginning with P [migrated]

Recently, I've been learning details about nmap scanner, with the help of tcpdump and wireshark. In order to find underlying behavior on nmap, I specified a dummy port 9527 and a command line like ...
2
votes
0answers
17 views

Assembly decoder with jmp-pop-call technique

This is a part of code in which I cannot figure out the mistake. I am using the jmp-pop-call technique and what I get is "Segmentation Fault". Tried to use GDB but things are really vague. Each byte ...
-3
votes
0answers
34 views

Securing my website and making it Internal use only. Only open to specific usernames/pass [on hold]

I'm trying to learn how to build a website that would be for internal use only for myself and few of my coworkers. It will be more of a place where i post up tutorials +videos for my coworkers. I want ...
1
vote
1answer
32 views

Identifying hash format caputred via Metasploit

When I use the nbns_repsonde module in metasploit, and set it to write captured responses to a file in the john format, I get a file with lines such as this: ...
3
votes
2answers
77 views

What is stored on a banking card and how is it protected?

I wonder what is the content of a basic banking card having a chip, the kind you use for payment in any store, with a PIN, possible bank authorization, such as Mastercard or Visa or national banking ...
3
votes
1answer
44 views

Zeroing empty sectors on various Linux filesystems

There exist various tools for Windows filesystems (NTFS, FAT) to write zeroes or random numbers to free space on the drive/filesystem. Do there exist tools like this for Linux filesystems like ext4 ...

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