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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4
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6answers
715 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 ...
9
votes
3answers
649 views

Reading keystrokes of other applications

Is it possible for other application running in the OS to read the keystrokes that my application uses? What about mouse events and window handles? Is there any security wall that the OS uses to ...
3
votes
2answers
198 views

Reading keystrokes of other applications

Is it possible for other application running in the OS to read the keystrokes that my application uses? What about mouse events and window handles? Is there any security wall that the OS uses to ...
6
votes
7answers
7k views

Physical computer security, how to disable USB ports when the computer is 'locked'?

Lets say my PC & server is in an environment where a theoretical attacker has physical access to the machine while I'm not there. Now the data is encrypted on the hard drive with TrueCrypt. ...
2
votes
6answers
237 views

What are possible approaches and arguments for securing corporate IT systems with most computers being portable?

I was employed as the only system administrator by a company where half of computers are portable ones being taken away for work at home, business trips, visits to clients, etc. having access to ...
4
votes
2answers
627 views

Added value of Windows Server 2008 over 2003 in terms of security

What is the added value of a Windows 2008 Server over Windows 2003 in terms of security? Does Windows Server 2008 has enhanced/new security features compared to 2003?
1
vote
1answer
424 views

If password is changed on Active Directory, can I ensure that PC must be restarted before logon with new password

Basically, if I have a Windows computer connected to a domain, how can I ensure that if the password is changed on Active Directory that the computer must be restarted before the new password takes ...
4
votes
1answer
1k views

Why does Windows 7 require a password hint during setup?

Correct me if I am wrong, but I think Windows 7 is the only operating system out there that requires a hint for the first user created on the system (have not had a chance to check out Windows 8 ...
4
votes
4answers
9k views

Is diskcryptor really secure?

Diskcryptor is an open-source competitor to TrueCrypt for Windows. It has an edge over Truecrypt for system encryption, because it allows for more than one independently encrypted system partition, ...
6
votes
2answers
5k views

Is opening port 3389 on a router and forwarding this to a Windows SBS 2003 server secure?

I know of a company who has port 3389 open on their router and forwards this to a Windows SBS 2003 server. The server has the Windows firewall switched on, is patched and has an up to date antivirus ...
4
votes
2answers
4k views

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 ...
2
votes
4answers
2k views

Locking down Windows 7 and only allowing outbound calls on 80/443

I need to harden a windows 7 PC running in a kiosk type device. Basically the hardware on the PC only needs to make outbount HTTP requests and communicate with some peripherals over USB(COM ports). ...
2
votes
1answer
506 views

Active Directory: Should Workstations be separated from servers to protect from related domain hacks?

How should I protect domain joined hosts in the same AD domain from the Related Domain Cookie Attack? Suppose there is an AD forest called example.com. This company has a variety of internal and ...
3
votes
3answers
706 views

Do you give local administrator account password to notebook users?

My notebook users need to travel a lot. Quite often, they need elevated privileges on that machine, like when adding a printer or change network settings. Should I give them local administrator's ...
3
votes
4answers
3k views

Reboot to clean state daily, on Windows

I already know that this can be done on Linux, One can boot to a flash drive that is write protected. Live modify folders can be symlinked to to a swap partition, and this prevents viruses from being ...
3
votes
2answers
7k views

Automating PGP encryption? (Windows)

Let's say I have daily files that need to be encrypted using PGP (and then emailed) and I want to automate this task. I would be using Windows PowerShell to manipulate the files (examine date/times ...
14
votes
6answers
8k 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
4answers
565 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 ...
4
votes
1answer
4k 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 ...
2
votes
1answer
204 views

Are COMET installations immune to “Slow TCP Reading” DoS on Windows? (Such as SignalR or WebSync)

My understanding is that COMET implementations of WebSync and SignalR do not directly use IIS and are a few layers lower on the ISO model. After reading Qualys's blog regarding slow TCP reading, I ...
6
votes
2answers
696 views

How can I restrict users' connection attempts to my FTP server?

Is there any way possible to restrict user to make a connection to the FTP server on my Windows XP computer? I have an FTP server established in Windows XP and now I want to make access to that FTP ...
37
votes
6answers
101k views

Can I determine if my computer has a key logger installed?

A friend of mine just started a job at a security sensitive company. They've provided him with a laptop with Windows XP Professional installed. He's heard a rumor from other employees that the laptops ...
2
votes
1answer
668 views

Token Based Authentication & Pass-the-hash Attacks

Do token-based authentication solutions (such as RSA SecurID) mitigate tools like incognito and/or pass-the-hash tools?
1
vote
1answer
231 views

Can accounts still be logged onto if Password Caching is not enabled?

This is kind of an extension of my other question.. If you were not storing any of the passwords locally (caching disabled), would a user some how still be able to circumvent around this security ...
3
votes
1answer
331 views

Running Untrusted Software on Local Network

So I need to run a bit of software on my local network that I just have the .exe for. The caveat is: The software needs access to the internet to produce a bunch of files. I need to access those ...
2
votes
1answer
108 views

User Account Notification under Windows useful at all?

IMHO the 'screen dimming'-and-displaying-of-warning-window feature (?) in Windows is extremely annoying, since I routinely run software that does require the permission to modify a lot of things. I ...
0
votes
1answer
2k views

windows security alert windows firewall has blocked some features of this program message coming for every new build of my application

I made an application which uses ftp so windows shows windows security alert windows firewall has blocked some features of this program message for every new version of my application any idea how to ...
3
votes
2answers
850 views

Difference between vulnerabilities on windows/linux/mac for same program

If someone finds a vulnerability like buffer overflow in a program such as Google Chrome or Mozilla Firefox running on a linux machine, are there any chances that this vulnerability will persist on ...
3
votes
2answers
250 views

ltd.exe, “Vista Antivirus Security 2012”, any info?

I was taking a look at someone's computer who had a virus. It called itself "Visa Antivirus Security 2012". It turned out to be ltd.exe. It would seemingly randomly block programs, it turns out it had ...
5
votes
5answers
2k views

what is the best keylogger for security uses? [closed]

Today we were robbed. A thief come to our home at night and stole some stuff including my brother's laptop. I think that the right thing to do is to download a keylogger on my PC, just in case... I ...
19
votes
1answer
3k views

Why do you have to be an admin to create a symlink in Windows?

In linux every user can create symlinks, but in Windows I need an admin command line, or mklink fails. Why is that?
5
votes
4answers
6k views

How secure is Windows Auto-Logon?

Obviously, if auto-logon is enabled, anyone who can gain physical access to the PC can use the PC. That's not the question. The question is, when I enable auto-logon for my Windows 7 box, will there ...
5
votes
4answers
379 views

Introduction/refresher course on Windows security [closed]

Can someone point me to a blog or recommend a book with an introduction (or refresher course) to Windows security. I am not a newbie programmer, actually have more than 10 years of experience, with a ...
0
votes
1answer
432 views

Iframe hack / done through FTP?

On two websites which I host for a friend, I found that there is an iframe at the bottom of each site's index.htm file. <iframe src="http://www.kunstsalen.dk" width=1 height=1 style="visibility: ...
3
votes
2answers
1k views

Time server security error

Today at work, we brought out some PCs that were not used for a long time (were not in use when I joined this company so I have no idea about their history). After booting one of them (Windows XP ...
7
votes
2answers
1k views

Breaking out of a strict linux sandbox running virtually under windows: do the linux-sandbox access control policies even matter?

I am developing an application which will run untrusted code. I have been designing it for linux, thinking that I can just run it in a virtual machine on windows when the need arises. The linux ...
3
votes
2answers
148 views

Website file being altered

I have recently had random spam links inserted into 3 ASP.NET websites. The links are inserted into the physical file so it is not SQL injection attack. The websites have very little in common other ...
7
votes
2answers
910 views

What information is exposed by simply opening an RDP connection to the internet?

Microsoft, Rackspace and other hosted providers allows people to RDP into that server. Here are a few examples: Microsoft has something called "Azure Connect" it is very easy to expose a domain ...
4
votes
3answers
367 views

Security of login-data saved in browsers

Most browsers provide an option to save login-data for later use. Suppose a Windows workstation is located in a well-protected corporate LAN and only a well-defined set of application can be launched ...
4
votes
2answers
2k views

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 ...
12
votes
3answers
13k views

How do I ensure data encryption on Samba transmission on *NIX systems?

I have a heterogeneous system (both MS and *nix) that communicates with CIFS/SMB. How can I ensure proper data encryption at the application layer?
2
votes
2answers
3k views

Best efficient windows hardening audit script [closed]

Do anyone know of a script that uses no 3rd party executables (preferably a batch file) that can be used to audit windows machine state securitywise? (including best practices features - gpo, ...
1
vote
2answers
739 views

Strange Event Log Entry - Windows Server 2008

Reviewing some logs recently, and came across a strange failure in our Windows 2008 DC. An account failed to log on. Subject: Security ID: NULL SID Account Name: ...
6
votes
3answers
866 views

How effective is something like Deep Freeze against boot sector infections?

I work for an embedded system manufacturer and on our older generation systems, which are powered by Windows Embedded, a number of customers have been experiencing virus infections. Due to the real ...
4
votes
2answers
483 views

What is the background of the Reference Counter Overflow in Microsoft TCP/IP (MS11-083)?

How unique is this bug? Is there a more sophisticated and well-studied attempt behind? Is it accidence? The article below says "continouos stream to UDP". What stream? Just an hour stream of zeros? ...
15
votes
7answers
4k views

Convenient cross-platform help on checking secure hashes like SHA-256

It is often helpful to be able to obtain a good cryptographic checksum of a file, e.g. the SHA-256 hash. This can be used to verify file integrity, so long as you have a reliable source for the hash. ...
18
votes
3answers
2k views

Why aren't applications sandboxed in Windows?

Sandboxing seem to be a way to restrict what an application can do. Today, I don't have much control of what my applications do with my computer. It feels more secure to use JavaScript based web ...
5
votes
2answers
297 views

Do any crypto libraries take advantage of Windows GPU API “Direct Compute”?

Are there any encryption (decryption?) libraries that take advantage of the Windows GPU API?
12
votes
1answer
1k views

What encryption prevents the tampering of Windows Identity Foundation (WIF) FedAuth cookies?

It occurred to me that the WIF FedAuth cookies contain identity information, that if tampered with, could permit someone to assume the identity of another user. Fortunately, WIF does ...
11
votes
2answers
481 views

How can I restrict what an application can do with my computer?

Often when I install applications on my computer, I realize that I need to trust the application because it can do what ever it want with my computer, e.g. accessing files, listen to my keyboard, ...