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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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
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1answer
472 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 ...
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3answers
680 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 ...
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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 ...
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2answers
6k 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 ...
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6answers
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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 ...
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4answers
503 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
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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
201 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 ...
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2answers
662 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 ...
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6answers
89k 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 ...
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1answer
638 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?
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1answer
219 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 ...
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1answer
302 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
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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 ...
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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 ...
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2answers
796 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 ...
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2answers
249 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 ...
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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 ...
14
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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?
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4answers
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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 ...
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4answers
352 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
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1answer
405 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: ...
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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 ...
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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 ...
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2answers
147 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 ...
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2answers
851 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 ...
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3answers
356 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 ...
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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
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3answers
11k 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?
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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, ...
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2answers
713 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
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3answers
808 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
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2answers
459 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? ...
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6answers
3k 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
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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
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2answers
291 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
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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
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2answers
452 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, ...
3
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1answer
2k views

Are Windows password hashes salted with the user name?

I'll readily admit I'm pretty clueless when it comes to cryptography, so there may already be some false assumptions in the question title itself :-) Still, I "heard" that it is more secure to store ...
5
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1answer
910 views

I'm having a DDoS attack, my hosting company is stupid, and I need to know what is hapening

So ok, right now my windows 2003 dedicated server is under attack by some guy who's flooding UDP packets (~90.000 packets/sec) on my 100Mbps server for the last 8 hours. I'm on a shared port, so I'm ...
12
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6answers
15k views

How secure is NTFS encryption?

How secure is the data in a encrypted NTFS folder on Windows (XP, 7)? (The encryption option under file|folder -> properties -> advanced -> encrypt.) If the user uses a decent password, can this ...
0
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2answers
501 views

Is there something like a “Windows Sandbox software Wrapper”? [closed]

I am facing the following problematic: I want people to send me softwares they develop, then I want to share them to other people, in sandboxed mode, that is to say with no need to have a sandbox ...
8
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3answers
3k views

Am I protected from USB autorun malware on Windows 7?

As far as I know, the autorun.inf problem (the possibility of automatically executing code when a USB stick is plugged in) was solved through Windows Updates for XP, and on 7 it is no longer possible ...
2
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1answer
764 views

My MP3 file is blocked, but still playable?

My computer is telling me that my MP3 file is blocked: I have no problems playing the song, so I was wondering what exactly does it mean for my MP3 file to be blocked?
8
votes
2answers
845 views

Local File Download vulnerability - What files can be downloaded to potentially compromise a windows system?

On Linux I have a good idea on what files I would like to get ahold of when you are sitting on a regular file download vulnerability. Any file on the entire OS system is accessible for download, which ...
3
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4answers
501 views

How do I ensure that my computer is 100% worm-free?

Ok say I have a brand new laptop that was is brand new. Is it true to say that as long as I keep the bluetooth turned off, and I am not connected to the internet, and only copy files that are 100% ...
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260 views

What configuration will allow another computer in the internet to probe my computer's ports?

I've just tested my computer with Gibson's port scan test: The test results stated that my system is "uncommon". It also said that my computer deliberately chose not to return. But I did not do any ...
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4answers
2k views

Is Windows Firewall suitable for running in a production environment?

Is Windows Firewall suitable for running as the sole protection on a production web server? Is it hardened enough? Robust enough? and tested enough? I'm running a VPS with Rackspace on their cloud ...
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2answers
4k 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 ...