The protection of computer systems and information from threats such as theft or data destruction.

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32 views

OpenSSL listen and decrypt automatically

I want to design an application to connect my server using OpenSSL and send encrypted data (encrypted with server public key) to specified port on server like 4433. All client using server public key ...
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106 views

PuTTY 0.64 to OpenSSH 6.2 Connection Failure

I am having a problem connecting a PuTTY 0.64 client to an OpenSSH 6.2 server. The only two clues I have are the following, from the session log: We believe remote version has SSH-2 channel request ...
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54 views

Route only HTTPS Connections through TOR

I want to create an tor router on my network using an extra computer I have (2011 Mac Mini). Since the exit node can read/modify traffic that is not end-to-end encrypted, I would only like to route ...
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35 views

Windows: Stop users from deleting files NTFS

I've changed the NTFS permissions on a folder called share1 that means users from group 'nodelete' do not have permissions 'delete' or 'delete subfolders and files' This seemed to work OK, except one ...
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49 views

Can I rely on TRIM to destruct data after file deletion?

I have a broken laptop that I want to return and I have some passwords already stored for it in the browser. I can delete the (Firefox) files that contain this data. Can I rely on TRIM to destroy ...
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865 views

How to set up a password to protect bitlocker key with tpm?

My computer is a dell xps12 (2013) laptop running on windows 8.1 pro, uefi and secure boot enabled. I successfully enabled tpm and encrypted system partition with bitlocker. I was a bit surprised it ...
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59 views

UEFI multi-factor authentication on admin password?

Many UEFI vendors offer boot and Admin passwords for a local machine. For a normal cold boot or reset, I would like the UEFI system to simply pick the properly signed bootloader and proceed. Having ...
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121 views

Win 7, permanent update of “Windows Malicious Software Removal Tool”

I get permanent update offers for “Windows Malicious Software Removal Tool” and installed them with success, but with the next restart I get another offer of the same version again. I have tried to ...
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52 views

Is Windows 8+ Reset the same as performing a clean install from a MSFT .iso or an OEM .iso?

Windows 8 and newer versions have a "Windows Reset" feature that reinstalls windows. The question is, does it perform the same kind of clean install that you would achieve with a MSFT .iso, or does it ...
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98 views

how to record all who that login to my linux machines and records them

I installed the package audit on my linux red-hat 6.x machine in order to view the recored of each user that log to my linux machine yum install audit kit installation from: ...
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75 views

Nginx Modsecurity Apache Include Equivalent

I just switched from apache to nginx and so far I've been pretty happy. However, I've been having some issues with modsecurity. Back when I used apache I could use the following to add every rule I ...
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143 views

Windows Server 2012 WAP + ADFS 3 + SP 2013

We are looking to expose a SharePoint Portal over internet using Web Application Proxy secured with ADFS pre-authentication. The permissions to the Portal are provided through Claims based on certain ...
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103 views

Lock a folder so that user can't access but software can

i have a situation here i need to lock a folder (password protect) so that user can't access it without password application/software can access that folder.. :) What i can now: i know i can lock the ...
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17 views

Protection against maliciously altered files

Regarding this question, what can then be used to verify the authenticity of a file transferred using Internet if the uploader and downloader do not know (and can't meet) each other in person? ...
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148 views

Pairing of logitec Unifying devices uses a “secret algorithm”?

I'm considering buying a Logitec M570 wireless trackball. This device uses Logitec's "Unifying" wireless technology: a single tiny USB insert supports multiple logitec devices. This thread ...
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393 views

Java 8 Update 25: Security settings won't allow a website even after adding to the list

I've been attempting to allow a website to run an unsigned applet, and even after multiple re-installs and security changes, Java still informs me upon launching the applet that security settings ...
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28 views

How to make Pixaria work without ini_set()?

I am working on a server which has Pixaria installed. After wasting (yes, completely wasted) hours trying to find out why it showed a blank page, I finally decided to try to enable ini_set() in ...
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16 views

What can a non-Mac App Store app do in terms of sandboxing and security?

I'm curious about what applications from outside of the Mac App Store limitations are. By default, what are their permissions? What can they access on my computer? From my perspective, I can see that ...
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93 views

Deny acess to file-shares (SMB)?

There are security policies like: Deny logon locally Deny logon on through Remote Desktop Services Deny access this computer from network Is there any policy to deny specific users/groups to ...
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41 views

How to require admin permissions to stop an executable in Windows 8

I have an executable on a Windows 8 machine, that I’d like to keep running. The problem is, the guy I share my dorm room and the Windows 8 machine with keeps shutting it off. Is there a way ...
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183 views

Java blocks applet on whitelisted site

On the webpage http://smbus.org/faq/crc8Applet.htm there is an applet for demonstrating the calculation of an 8-bit cyclic redundancy check. Java in Chrome and IE on MSWin7 will not allow this to run. ...
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19 views

Locate files relating to MS Security Essentials scan result

I just ran a MS Security Essentials scan on my computer. The results show two entries under "Allowed". I don't remember allowing any such items to run on my computer. How can I locate the files ...
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1k views

DisableCAD local security policy on standalone Windows 7 machine reverts to Enable after reboot or logging out

I have been struggling for days trying to resolve this issue. We are required to have our users press ctrl+alt+delete to login to our systems. The local security policy has the "Interactive logon: Do ...
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310 views

Trying to find out if chromebook Supervised User hacked device

One of the kids has a chromebook, acer c720. I set him up as a supervised user on 9/5/2014, and was able to view browsing history on supervised user dashboard. However the history stopped on ...
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439 views

Self Encrypting Drives - is it possible to bypass ATA password?

I am using TrueCrypt but I want to buy SSD with SED, it's Samsung 840 Evo. After firmware upgrade it "supports advanced data security features(TCG/Opal and IEEE 1667)". If I set ATA password, would ...
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259 views

After deleting all my cookies I'm still logged in my google account

I'm using firefox in private navigation. I connect into my google account then I delete all my cookies and then I'm still connected into google. Why is this so ? If I delete my cookies and ...
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33 views

How to prevent data from being copied at least within windows

How to prevent data from being copied on windows 7 with password.I saw on a computer store,that when you insert a pen drive and try to copy and paste or cut and paste a file,it prompts for username ...
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55 views

Is it possible to restrict access to certain URLs for individual programs?

I have a certain use case where I want to whitelist a list of URLs that a certain application can access. In other words, I want to sandbox it, but don't have access to blocking or white listing those ...
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243 views

How to manage SSH keys securely in Windows?

I currently have an SSH key I use to access both Bitbucket and my home server from my Windows laptop. The most convenient way I found to deal with the use of the private key was to just have pageant ...
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25 views

How do I limit X access for potentially malicious GUI application?

Application directly accessing Xorg can not just draw some good behaving windows, but also capture input, mask windows something else (e.g. password input), lock X server and so on. How can I give an ...
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30 views

New modem is not connecting to other devices

After installing a new modem, my older devices (Old phones and older computers) don't seem to detect my home internet at all? I believe the problem has something to do with the security options (or ...
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30 views

How to keep truecrypt from making a .truecrypt folder (ubuntu)

So I extracted the tar that the installer gave me and it all works except whenever I run truecrypt it puts a .truecrypt folder in my home witch I do not want to happen. So how do i stop it?
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2k views

How can I import a security template in Windows 7 using command line?

I would like to remotely deploy some specific change in Security Policies to several computers via remote console (SSH). This is my just exported security template .inf file, extracted according ...
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463 views

Can not access any site with Chrome but Chromium does access any site well at the same time

I'm in for trouble with Chrome on my Mac after I backed to my home. The problem is I can not access the site such https://www.google.com with error code "ERR_ACCESS_DENIED". Even It's not restricted ...
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63 views

Can I create a self healing file or archive

Earlier I backuped data to CD disks which get unusable after some years as CD get damaged (http://en.wikipedia.org/wiki/Data_corruption). So I made 2 or more copy of that data file so that even if ...
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181 views

Virtualbox - Route a VM through a secure proxy

I have Virtualbox 4.3.6 running on Windows 7 Pro. I have various Linux VMs, I'd like to know if there is any way I can configure virtualbox not to use the default internet access the laptop has (work ...
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145 views

I want to be able to have a daily task run showing the times users log on and off

GOAL: I want to be able to have a daily task run showing the times users log on and off ENVIRONMENT: Windows 2008R2 domain ACTIONS SO FAR: I have enabled Account Auditing via: start -> ...
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158 views

Apache configured for HSTS, but SSLLabs/Chrome not acknowledging

I'm setting up a webserver and I've been checking it against SSLLabs and Chrome 31 to make sure the security is up to snuff. However neither Chrome nor SSLLabs seems to believe that strict transport ...
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192 views

Security Issues when mounting WebDAV on windows

When ever I try to access files/folders in my WebDAV that I have set up, It throws an error saying that My internet security settings suggest this file may be harmful. Where can I change this setting? ...
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60 views

Disable harddrives to limit what space the OS can access as a security measure

I have a laptop with 2 internal harddrives. One of them with an operating system (OS). This setup is what I use mostly. I have an external harddrive also with Windows 7/8 that I boot from sometimes. ...
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193 views

Mac OS X Disk Encryption - Automation

I want to setup a Mac Mini server with an external drive that is encrypted. In Finder, I can use the full-disk encryption option. However, for multiple users, this could become tricky. What I want to ...
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31 views

What To Make Of Encoded URLs in Log Files

I have been getting URL requests in my Web server log files for sometime, but I don't quite understand what they are. For instance: GET ...
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94 views

I want to make my MacBook Pro's security settings location-aware and automatic

I travel back and forth, using the same macbook pro at the office as I do at home. How can I get my MacBook Pro to recognize when it's at home and doesn't need to keep bringing up the password screen ...
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157 views

How to recover bricked installation due to “netsh rpc add x.x.x.x” cmd?

I broke my windows 2008 r2 installation by running netsh rpc add x.x.x.x where x.x.x.x is my LANs subnet. Using F8 to boot in Safe Mode and Last Known Good Configuration either blue screens or hangs ...
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160 views

Is auditing possible on Windows XP Home Edition?

Although Windows XP Professional has (a lot more) control over Security issues, Windows XP Home Edition does allow the regular user to probe around and allows to set Security settings on folders and ...
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404 views

IE 10 won't load with Protected Mode enabled

I discovered recently that I could not open IE. The window would open, appear for a few seconds, then disappear. I run Webroot security, but installed Ad-aware and ran a scan. I also ran HiJackThis ...
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375 views

permission for “users” directory for a mounted vmdk file

I mounted one vmdk file in my windows 8 machine and I am able to access all the folders and files except those in "users\ directory. When I try to open, it says I dont have permission. I am not able ...
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220 views

What steps can I take so that my AWS bill can never go too high in case of hacking?

Last night I received an AWS email because of the alarm I had created if my bill exceeds 50$. My month has just started and when I checked the console I saw that 600GB of data was downloaded, as my ...
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2k views

Disable Java Security Warning popup and fix lag

I've searched for a solution for this online and on superuser, but nothing seems to work. Every time Java is being used on a site I am on, a security warning appears with the text "Do you want to run ...
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657 views

How to Lock Hard Disk drive and USB Slots?

Is it possible to lock the Hard Disk and USB slots in Windows XP without any software? Thanks