A family of graphical operating systems produced by Microsoft. Windows includes both server and destop operating systems. Early versions relied on MS-DOS while current versions have evolved from Windows NT. Please do not use this tag for X, but use [x-windows] instead.

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What risks are involved in exposing our home computers over the public internet?

I'm currently running a webserver from home accessible on the public internet via a static IP. What kind of risks are there in doing so? From what I understand, the setup will not allow connections ...
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454 views

How did my homepage get changed in IE?

I have rarely used IE in the past. I just use it to test how a website looks. Today all of a sudden when I went on to open IE, it opened with a homepage that wasn't set by me. It was an address of a ...
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206 views

Is using a “Red” and a “Green” browser to balance LOB requirements and security a good approach?

I currently work in a manufacturing company with round about 5000 computers and 6000 employees. We use a lot of web based line of business applications (all internal, non over the Internet) in order ...
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5k views

Detecting or preventing process memory injections on Windows (anti-hack)

Standard hacking case. Hack injects into a started game process and writes over process memory using WriteProcessMemory call. The situation is like this: we are hosting a game server clients join ...
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689 views

Is a self signed certificate sufficient to prove the integrity of my executable?

I have an EXE file on Windows that I have to distribute around. It's based on tclkit so an adversary could unpack it, change some tcl script inside and repack the exe. I would like to know if this ...
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315 views

Strategy against browser exploits on Windows?

On a friend's computer is some kind of spam bot installed. It sends messages like Hello: I received my apple iPad 32GB ordered on an online shop (www.elevalley.com ) today. So exciting ...
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197 views

Does dual boot hurt security?

On my laptop I have a well secured Linux installation that I would like to stay this way. It has in the past and could in the future contain confidential medical data I use for my study. I also have a ...
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1k views

Does Windows have a built-in password store?

What passwords are stored in Microsoft Windows? How can I know what password are saved in computer?
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258 views

Can viewing an email message in Outlook 2013 install malware on my computer?

I routinely get spam messages which state "Your account for [Insert game here] has been flagged. If you don't click this link/send us this info/go to this website in the next 72 hours, your account ...
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How does syskey in Windows increase the security in a domain?

I use syskey in windows XP and Windows 7. I've read Microsoft's article but I have questions. How does this solution increase security? What are differences between using Syskey in a client that ...
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466 views

Is Window's system restoration useful for getting rid of malware?

If your computer has been infected with some kind of malware, could a restoration of the system, using the tool provided by windows, help you getting rid of that malware? We should suppose that it ...
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Disable DES-CBC-SHA in schannel

I have several IIS servers in house This includes IIS 6 and 7.x. When I have my external PCI scans run I'm still receiving alerts for having the weak protocol DES-CBC-SHA enabled. I have the ...
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How do you properly setup Tor on Windows 7?

How do you properly setup Tor on a Windows 7 box to guarantee that ALL connections will run through Tor?
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Is CIFS/SMB (Folder Sharing in Windows) secure?

I have to back up some data from windows 7 machines over the internet, and I rarely use windows so am distrustful of it in general. Specifically: Is there any sort of check that the server is the ...
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127 views

Accessing user accounts without asking for their password

I don't like asking my (windows network) users for their passwords, it doesn't seem like a good security practice. I also want to train my users to never give their password to anyone if they ask for ...
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50 views

monitor port scan on the same segment

if theres a port scan on the same segment and it does not reach the firewall at all, it is not detectable by anything. is there any solution to that ? maybe using the windows fw on ach workstation to ...
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226 views

How do I continue pentesting with access to local station?

I started learning hobbyist penetration testing a while ago, and as far as penetrating a computer I have physical access to, all is good. Mainly using Hiren bootCD, it is easy to gain access to an ...
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367 views

Security of a Windows XP system after April 8th when running the latest Firefox or Chrome

As we all know, Microsoft stops developing security patches for Windows XP very soon. If a bug in the kernel was to be found that would allow an attacker to take control by, say, sending a specially ...
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How can I misuse the information of DCE service enumeration?

Nessus reports almost on any Windows machine "DCE service enumaration". With the metasploit module tcp_dcerpc_auditor I get the following information: 192.168.1.23 - UUID ...
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456 views

Security Scanning for Desktop Applications

Our company develops Windows desktop applications. We offer off the shelf solutions - not custom development. A potential new customer wants to add a section to our standard contract that requires ...
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651 views

CDNs used by Windows Update

My question is about CDNs (Content Delivery Networks) and their simultaneous use for legal and questionnable stuff. One specific example is the following. I'm noticing taffic from our network to the ...
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3k views

Recover EFS encrypted folder after wiping system partition

We've recently ran into trouble while reinstalling one of client's desktop computer. Disk was split into two master partitions named C: and D:. We wiped out C: and reinstalled system (Win XP SP2 ...
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1answer
4k views

Windows task manager can see all processes as non administrator without permission

On Windows Server 2008 R2 operating as a standard user, when I open Task Manager I can see all the processes from different users on the system. I have the option to click "Show all processes" which ...
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1answer
551 views

Does sandboxie “grab” all the system calls?

Sandboxie: http://www.sandboxie.com Does sandboxie "grab" all the system calls, e.g.: filesystem calls? Or it "grabs" all the low level calls from a process?
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how unsafe is it for Windows webserver IIS to have domain privileges

Normally in the past, I've managed that the production server only serves http(s) to the internet, and is isolated from it's database by a firewall which only allows database queries to travel. ...
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2answers
336 views

What criteria do you use for evaluating Client-Side / Endpoint security products?

What features are important to you in client-side AV and Firewall products? Who benefits from these features? Managment, the end user, helpdesk. Are there features that are being 'sold' by the ...
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265 views

Remove a privilege from a Windows admin account : good or useless idea?

In order to protect a Windows administrator account from attacks such a Pass-the-Hash and other Token Passing tehcniques (e.g. via Incognito tool), can you tell me if it is a good idea to remove the ...
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121 views

Is access to the caller API in mobile phones a real security threat?

From time-to-time I receive "Unknown" caller on my mobile phone. I do not want to answer those calls as I do not trust the identity of a caller. I feel safer if I can see caller name or at least ...
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Where do I securely store application-specific symmetric key?

I am writing an application App1. This application uses SQLite database and I plan to encrypt it using AES256. For symmetric encryption I need a key, which I need to store somewhere. From a similar ...
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1answer
374 views

A simple example for showing the use of Data Execution Prevention (DEP) security feature

I am finding it really hard to figure out why we need a DEP! Microsoft states this about DEP: The primary benefit of DEP is to help prevent code execution from data pages. Typically, code ...
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535 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 ...
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1answer
3k views

Checklist for configuring WinRM Security settings on servers

WinRM has a very difficult to use command line interface and that leads me to believe some settings will be easily reconfigured, overlooked, and eventually exploited. In other words, insecurity ...
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1answer
153 views

How secure is my DPAPI Master Key if I enable biometric login?

I understand that Windows DPAPI master keys are encrypted (directly or indirectly) with the user's login password - see e.g. Does DPAPI works if a user hasn't a login password? If I understand ...
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What is “Multi-Protocol Unified Hello” and what are the impacts of disabling/enabling it?

This article describes how to disable old versions of TLS, but in addition to doing so, "Multi-Protocol Unified Hello" is also disabled. # Disable Multi-Protocol Unified Hello md ...
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Preventing LSASS from storing clear-text passwords in Kerberos environment

It is a well known security risk that LSASS stores clear-text passwords if a user has performed a keyboard-interactive logon on a machine - be it local login to his/her workstation or using RDP to a ...
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263 views

With full access to the disk of an IIS web server, could you access the database server?

Here is a theoretical setup: You have a web server running Windows Server with IIS You have a website running here which connects to a database This website can start automatically when the server ...
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can I find on which machine was a zipped archive created?

I have the following security issue. A zipped archive of emails was found on a machine (A) by using an undelete program. The claim made by the subject of the investigation is that they made the ...
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340 views

Need help on understanding obfuscated code in CVE-2012-4969 exploit

As you may know this vulnerability was found a while ago in the wild and the exploit is available too, btw I'm having problem on understanding the obfuscated code. Is it necessary to use obfuscation ...
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114 views

Is UAC actually worth it? [duplicate]

Windows UAC: It's annoying. It seems pointless. Should I just disable it? Or in other words - is there actually a real risk of something malicious happening if I do? Is there malware out there that ...
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1answer
246 views

Managing a large amount of MBSA Results?

I am responsible for scanning and fixing issues on ~50 servers with Microsoft Baseline Security Analyzer (MBSA) version 2.2. Unfortunately, there is no out of the box way to manage multiple MBSA ...
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Discover what workstations a user us connected to in a Windows AD Environment?

I currently have a naughty user in my environment. We don't want to set any alarms of (even from speaking to the AD admins), and wish to discover the workstation the user is connected to in our AD ...
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Securing Windows 7 using Bluetooth

I'm thinking of using my iPhone as a device combined with a low power bluetooth usb key. So when the phone is gone the workstation locks. (I don't want it to unlock the workstation though, I'd prefer ...
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1answer
705 views

Security Risk of Disabling forceguest in non-AD Environment

Our application group is looking to deploy a product which requires that we disable forceguest in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa. We are running on a Novell network (I know, I ...
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1answer
70 views

Security risk: Digitally sign communications for SMB

I have a computer (Windows) on a network where an industrial process is controlled. There is an option in Local Security Policy >> Local Policies >> Security Options >> "Microsoft network client: ...
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3answers
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Task Manager and Keyloggers

I know that some of the best keyloggers can't be viewed from the Task Manager. Where can one see if such keyloggers are running on the system? Will they be in the Windows Services or are they hidden ...
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4answers
845 views

does switching to linux remove existing computer virus

if you change from a malware/spyware infected windows setup to a linux setup will infections migrate to linux if they were on the computer? (when you are hacked/infected is it the op system that is ...
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6answers
12k views

Hardware USB Key to Reset Any Windows Password

This tool requires physical access of course, and there are many things you can do once you have physical access, but this peaked my curiosity. The tool in question: ...
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485 views

Shared hosting vs VPS

I have an Asp.net site. Which hosting system do I need to secure it adequately* against anyone reading private information that's on the server? This is assuming I'm not worried about the sysadmins ...
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Encrypt web.config file using Data Protection API

I have encrypted part of my web.config file using the Data Protection API. Now, my question is, what does a hacker need in order to decrypt the web.config file? Does he require physical access to ...
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What are the methods to find hooked functions and APIs?

Many malware executables use hooking to be invisible. I am familiar with some hooking methods, I'm not sure what methods exist for detecting them. Is there a way to tell when a function call has been ...