Security in terms of "computer security", such as protection of information, protection from theft or data destruction.

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How to upgrade an offline computer's OS and software?

I have a Linux computer that is kept offline for extra security. How do I keep it up to date without putting it online? It's running Fedora 17, but I don't mind changing to another distribution if ...
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81 views

Good encryption software(preferably free) that doesn't require data reallocation?

I recently started messing around with encryption software, and TrueCrypt was my first choice. I however found out it has an inconvenient problem: it requires the files to be actually moved to the ...
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109 views

Proxy inside SOCKS 5 proxy

There's a secure LAN with a computer in it. This computer is configured with automatic proxy settings. A .pac file is used for this. With this automatic proxy configuration the computer can reach all ...
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127 views

Is it possible to start all programs with admin privileges?

These days I'm having problems with "Run as Administrator" for most of my executables like Visual Studio, Command Prompt and sometimes even Notepad. It started with Visual Studio having problems ...
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1k views

How do effective FULL removal of TOR from Ubuntu 12.04

After installing TOR, privoxy & anonproxy on my system, I found out that some functions on my browser had become unavailable and I didn't found the way to solve all the issues there, so I decided ...
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45 views

Linux limits.conf item explanation

I have read the man page, but I don't understand what the various items are, such as core, data, as, etc. Does anyone know of or have detailed explanations of what each item is and typical values to ...
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66 views

How do I safely recover data from a compromised Mac OS X account?

One of the non-administrator accounts on my mac-book has been compromised. The password to the account has been reset, and I noticed some suspicious looking activity (the user was logged on to my ...
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83 views

Is it bad to leave a server logged in if it's physically secure?

I have a headless Windows Server 2008 R2 box running at home, and I've just installed Plex on it to stream my media library. The software works brilliantly, but doesn't run as a service. The simplest ...
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232 views

How to inherit file permission from folder permissioin in AIX?

We have two users with two different groups: User psoft is attached to psoftgrp group. User db2 is attached to db2grp group. There is a common folder called FILES with 777 permission owned by ...
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92 views

If you reset the password for a user can other users access the EFS encrypted files?

I have a user that's forgotten their password. I can log in and reset it but there were some EFS encrypted files. I can still access those files because my login is the security group. If I reset ...
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21 views

Trusted Computing Base, independence/can they be aggregated?

If I have a system with one component A and the TCB is {A} and I have another component B with a TCB of {B}, if I were to place the two components together would the new TCB of combined components be ...
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247 views

How to use GetFileSecurity to check if the current user has write access to a directory in nsis?

Nsis installer needs to check the folder write access permission before proceeding with the installation, How to achieve this? I read online about GetFileSecurity, Could anyone please let me know how ...
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70 views

Which Windows services and startup programs can I disable/modify to optimize performance/security?

For Windows Vista SP2 and Windows 7: I use this stand-alone (no LAN) computer at home exclusively to browse the internet, nothing else!.. I have another computer I use for development and testing ...
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143 views

Security settings to harden Windows 7 Ultimate for occasional 3rd party access?

I have a Windows 7 SP1 Ultimate box which is my main machine / "server". I also have an 'accountant' account (of type: standard user) which is for my accountant to RDP into the machine to check up on ...
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327 views

USB mouse doesn't work after I installed Kaspersky

I have a problem with my USB mouse: it doesn't work. This happened after I installed Kaspersky. Do you know any possibility to activate again my mouse? I don't want to reinstall my XP system. Thank ...
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719 views

Revocation information not available for certificate?

I'm trying to download SQL Server 2008 R2 Enterprise Edition from MSDNAA on my Windows 7 laptop. When I attempted to start the download, I was shown the following prompt: Revocation Information ...
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263 views

Alias network adapter in Windows XP

I use a VPN channel for an online banking client. This channel is implemented as an NDIS filter installed on the outbound network interface which gets activated when you insert the smart card. When ...
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892 views

How to audit “all file failures” on a system partition from command line

Directly from the source: Open Windows Explorer and use the file and folder properties function to verify that the audit settings on each partition/drive is configured to audit all "failures" ...
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274 views

How to track the user activities in Linux?

I would like to have something to monitor the user usage of the computer, for example, what application they had opened, what website they go to. Any software for doing this? Thank you.
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142 views

Mac Book Pro locks screen and then won't accept proper password to unlock

I have a MBP 6.2 running mac os x 10.6.8 and I've just recently starting seeing this problem. When I go away from my Mac, I always lock the screen. When I come back and put in my password, the mac ...
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383 views

Macro security disabled in Outlook 2007

All radio buttons under "Macro Security" in Outlook 2007 are greyed out. I am the admin in that Win 7 system and I have not been able to figure how to enable them. Because of the macro security, I ...
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247 views

Is Abine TACO comparable to NoScript addon in Firefox?

As someone who is trying to be security conscious on the web, I've setup Firefox to use the Tor network and NoScript, among other plugins. However, I've found NoScript to be such a pain since I have ...
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55 views

Are SD flash memory cards “secure”?

Regarding SD flash memory cards, SD stands for Secure Digital. Do SD cards or any of its variants (SDHC, SDXC) have any particular security features compared to other types of flash memory cards such ...
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285 views

Print with lpr to userid protected network printer

How can I print from the command line (e.g., with << lpr >>) to a network printer that requires a user id? When I use the printer from an application, a dialog box requests my user id and a ...
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1k views

How to I make a Windows certificate exportable?

I'm looking for a tool or solution that would allow me make a certificate that is marked as non-exportable to be exportable. I am aware about Jailbreak tool but because the tool does not fully ...
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453 views

Set up a password policy that has a maximum failed login attempts and a reset after a certain period of time

I asked this on the apple stack exchange site, but since the tumble weeds couldn't answer my question I will ask it here. I tried using pwpolicy to set this up. I was able to set up ...
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709 views

Windows Server 2003, file downloads

I'm having problems downloading a file to a Windows Server 2003 machine. The file is of type .msi. When visiting the page I get the following message: Internet Explorer cannot download ...
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77 views

Which Windows flavors have a UI for editing a file's DACL?

I noticed that some flavors of Windows (XP Home, etc ...) doesn't allow the user to edit a file's DACL. I'm wondering if there is a list or something somewhere that states which flavors have it and ...
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10 views

PGP - Open Source Self-Decrypting-Archive Executable

I'm trying to find an open-source PGP solution for creating self-decrypting archive executables. What it does is it allows the receiver of an encrypted email to not require decrpyting sotware on their ...
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30 views

Google Chrome SQLite cookies contains keywords : drugs, illegal and pornography?

I was just testing some things with cookies in Chrome. I opened Local Storage and its content with SQLite browser. Then I found something weird... ...
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16 views

Security Monitoring Using last Command

I am new to linux administration and was looking for a good way to get e-mail alerts when a user logs in. I was thinking this might be useful as a security monitoring tool to allow me to see who is on ...
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16 views

Java applets not working in Windows 8

I really want to view the Java applet in this website. I've tried in firefox and IE and neither work. I followed Sun's instructions but they're inacurate: first of all there's no Java Control Pannel, ...
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13 views

TrueCrypt mounted disk accessible by guest account

I noticed this issue. I have personal files on my truecrypt account and if it was mounted and then someone use my guest account, they can access my disk! how to prevent that? is there any option to ...
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17 views

How to set up limited access remote control to a specific program?

I have a certain program running on a Windows 7 PC and I want a group of people to be able to access it and use the program remotely. However, these remote users shouldn't have any other permissions ...
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7 views

Security Alert: A secure connection with the site cannot be verified

I've had the same issue a lot of your readers have asked about the Security Alert: A secure connection with the site cannot be verified. Would you like to proceed? The certificate you are viewing ...
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22 views

Limiting the times my wireless network is open and available.

I have an HP PC with a linksys wireless network. My son has a laptop that he uses for gaming and stays up all night gaming on it. Is there anyway I can have my linksys network shut down for certain ...
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18 views

Are there downsides to installing node.js with root privileges?

I'm using the following code to install node: cd /usr/local/src/ wget http://nodejs.org/dist/v0.10.25/node-v0.10.25.tar.gz tar -xvf node-v0.10.25.tar.gz cd node-v0.10.25 ...
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Read history commands on GNOME 2?

Someone (old employee) deleted the history record and I am wondering if there is any way to read the commands executed by Gnome ? Thanks! FYI: Server: Debian 6.0 Gnome: v2
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28 views

Selective USB blocking

I would like to control access to USB ports on our network. We have operational USB devices connected to all PCs on the network, so I am not looking at simply disabling all USB ports functionality. ...
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37 views

How to block spambots and questions about security on a VPS

Is it normal to have many many lines in /var/log/kern.log about UFW block? For example: Aug 29 22:13:13 myvps kernel: [1980808.931708] [UFW BLOCK] IN=venet0 OUT= MAC= SRC=60.173.8.240 DST=me ...
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35 views

Removing Java Security Prompt

I installed the software Action(s) on my Windows 8 machine but the annoying Java security prompt Window will not stop showing up when I launch the application: The Java Control Panel also resets my ...
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7 views

Possible to use IRM server with a live Powerpoint demonstration?

I have a presentation where I'd like to live-stream the contents (like Microsoft Powerpoint online presentation services) however I also don't want people to do screen captures (like IRM server) I'm ...
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31 views

In Windows 8.1, how to know if Early Launch Anti-Malware (ELAM) will work with the Anti-Virus Program?

When looking up about security in Windows 8 / Windows 8.1. I read here http://technet.microsoft.com/en-gb/windows/dn168167.aspx (Securing the Windows 8 Boot Process) that Early Launch Anti-Malware ...
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18 views

Can an application with a digital signature be forged?

We recently inherited a legacy application however the installation file seems dubious however having checked it's digital signature, validating it against the Virus Total database, it appears to be ...
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15 views

Local Network Addresses Visible to ISP

While I was on a support call with my ISP, their network engineer started listing IP addresses that were visible to him on my local network. He was right on the money as far as IPs that were up. I'd ...
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83 views

OpenVPN security, authentication

I would like to know if this config can be enhanced, in particular i wanted to ask if OVPN certificate-auth can be considered somewhat secure'ish ... ? For example : would any client be able to ...
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19 views

Resolving “JBoss Web Console is Accessible to Unauthenticated Remote Users” vulnerability

Our security team has determined there is a vulnerability in one of our systems. We are using version JBoss 5.1.0GA on RHEL 5.10. Vulnerability description: JBoss Web Console is Accessible to ...
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31 views

Terrible experience with a proxy server

I have a static IP provided to me by my ISP. I was trying to use this static IP when I'm outside my home to access some restricted areas on my website. So, I decided to setup a proxy server on one of ...
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21 views

Have I misconfigured xrdp? My setup has a security hole

I'm using xrdp/Xvnc to connect to a CentOS 6.5 VM. I don't know whether I've got something wrong with my configuration or whether I've stumbled upon a security hole. My xrdp.ini file contains ...
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19 views

How to find out why McAfee deems my web site a “security risk”?

I work at a company where we have a web site developed in ASP.NET which works well and our customers are happy with it. Recently, we have been getting some reports from users that McAfee antivirus ...