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

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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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86 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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114 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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118 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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291 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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157 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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1k 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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58 views

Information about a given DSA Key

Reading the answer http://superuser.com/a/13189/246855 to the question What is better for GPG keys - RSA or DSA?, I decided to examine the 2048 bit DSA key I use to figure out which secure hash ...
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105 views

Should i use AWS IAM or my root credentials for my webapp access to S3 bucket?

I have a webapp that requires uploading/deleting/reading files inside a S3 bucket. What I did was I created a brand new Amazon WebServices (aka AWS) account. Let's call this AWS account ...
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467 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
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250 views

Multiple system calls from PID 0 in Windows

Recently, one of my old PC at home lags at times. I open the Process Monitor (from sysinternals.com) and find multiple system calls from a process with PID 0, including CreateFile operation. I thought ...
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655 views

How to close suspicious port 999 garcon, is it malware?

On Mac OSX, I ran the command nmap localhost and I found I have this suspicious open port: 999/tcp open garcon Then I tried to see if there is an associated process, but nothing shows up with ...
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63 views

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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116 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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139 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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67 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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85 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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264 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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94 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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259 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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145 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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328 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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742 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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277 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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918 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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278 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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145 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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394 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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251 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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301 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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461 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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726 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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78 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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14 views

Encrypting a bootable (Windows Portable) USB drive

I know it's possible to install Windows on a USB flash drive and in theory any PC you plug it into will boot the said Windows install, provided Windows will have suitable drivers for the hardware. ...
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11 views

Github for Mac installs a webserver, github conduit. Is that a security risk?

Github for Mac is a helpful app provided for free by the people at Github.com. It's an OS/X GUI for simple operations with git, and works quite well. It turns out that when I visit a repo on ...
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19 views

What is atos? It keeps popping up on my Mac

So what is atos? It keeps popping up in on my mac screen that I need to give my password to let it do something. Is this a virus or is my Mac being hacked? Please help!!!
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11 views

Removing a Redirect Virus from Fedora Linux

Seems like there is a redirect virus on my computer but I am not able to remove it or even find where exactly the problem is. There is nothing much about it on the Internet either. I am running Fedora ...
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5 views

How to make an exception in a pam module?

I have 2 servers: A and B. I want A to connect to B via ssh (as a non-root user) to run a sudo command. But sudo on B requires a yubikey input to allow the command: auth required pam_yubico.so ...
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39 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

“Anonymous logon” happen once in a while on my machine

There is some random "Anonymous logon" session happening once in a while from 3 machines in our company, 3 machines on around 1000. I have a windows 7 enterprise 64 bits edition. I have all updates ...
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Very high CPU usage on Linux server

I have the following server: Ubuntu 14 LTS 64 bit Linode Hosting fail2ban enabled firewall enabled SSH root login diabled and only key access to server. Problem: When I run htop, it shows high ...
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40 views

Security Essentials suspecting explorer.exe and logging behavior warnings?

Most times I log into my Windows 7, Microsoft Security Essentials will tell me that I should upload C:\Windows\explorer.exe to Microsoft for analysis. It does however not tell me why. I checked the ...
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14 views

LaCie 2big, use existing disks (not formatted by the device)

About the LaCie 2big Quadra: I have 2 x 1T disks that have been formatted and used on Linux (not on LaCie). It happens that both disks have the exact same partitioning, while the content data is ...