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

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5
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1answer
342 views

Windows 8's Confusing Security

I'm using Windows 8 Pro x64. My account in the PC is an administrator account. Among several logical drives in the PC, admins have full control permission on all drives. I've confirmed this by drive's ...
1
vote
1answer
296 views

SSH tunneling commands for better security and privacy

i have a centos 6 VPS. I use ssh -p 443 -D 8080 -f -C -N root@ip on mac terminal for SSH tunneling but with wireshark when i sniff my traffic i can see DNS requests are not encrypted ! (i use ...
1
vote
2answers
159 views

Can random data from a wipe or encryption of a full drive result in fake partitions appearing in the MBR? [closed]

QUESTION : Can the apparently "random"-ish data written to a full drive (not just a partition) during a random "wipe" or encryption be somehow interpreted by the computer as having a "valid" MBR ...
0
votes
1answer
102 views

I landed on an attack page - what to do?

I clicked a link in a gmail message, and arrived at a page that looks like a news site. I clicked a similar link in the next gmail message, and arrived at a page that warns that this is an "attack ...
0
votes
1answer
73 views

windows prevent app from accessing internet

I bought a desktop password management application and I want to make sure it is secure and doesn't send any data to the developer. So I want to block it from using the internet. I am using Windows ...
1
vote
1answer
759 views

Suspicious activity on port 3389

Today I opened TCPView to see what was causing a lot of outbound network activity and could only identify svchost.exe on port 3389 (which i understand to be the port used by remote desktop). I ended ...
4
votes
2answers
193 views

If I disable password logins, are there any network login implications? [closed]

If I disable logins (eg enable an automatic login as described here) do I open myself up to a host of remote attack possibilities? I would prefer not to have to log in each and every time, but I ...
0
votes
2answers
69 views

User specific folder rights vs group membership rights

If a user individually granted one set of rights to a folder but a different set of rights is granted to a group to which he belongs, which takes precedence? I originally thought that the lower ...
1
vote
0answers
397 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 ...
1
vote
1answer
228 views

Is my OpenSUSE linux box compromised?

While trying to download one .rar attachment from gmail; OpenSUSE 12.2 (64bit) sytem started behaving weirdly. Thunderbird opening 5-6 tabs for one email. Ideally Thunderbird should just show the ...
2
votes
2answers
129 views

A computer on my network is hitting my machine

I'm trying to discover the nature of this, since it appears to be a relatively new phenomena and I don't know what it could mean (probably nothing good). The sign that I got of it was a long list of ...
7
votes
1answer
17k views

Block extensions from being installed in Google Chrome

System Information OS: Windows Vista Home Premium User: Standard User Objective Stop the Standard User from installing any extensions in Google Chrome. There is one currently installed for AVG ...
2
votes
2answers
124 views

A possible case of hacked email account. What kind of an attack is this? [closed]

I own a Yahoo mail account. I am using this account for sending resumes and receive notifications from various job portals. But yesterday, I found that some 10-15 mails had been sent to random ...
0
votes
1answer
588 views

TCP-IP versus TCP-IP over VPN

What are the advantages and disadvantages of a TCP-IP connection over VPN opposed to a regular TCP-IP connection? I am interested mainly in speed and security! Thank you.
0
votes
1answer
324 views

how to make a memory card unreadable only for computers?

I want to make my memory card unreadable for my big brother and his friend's computers. Is it possible to make my memory cards unreadable only for computers but read and writable for mobile phones or ...
0
votes
1answer
935 views

How to force WinXP to ask for password before software installation/uninstall?

I really like some of the linux security measures it uses. So what i'd like to do is have WinXP Pro SP3 ask for my user password everytime i try to install/remove software. I know I can't make ...
1
vote
2answers
713 views

AppLocker Windows 8

Windows 8 only includes AppLocker support in the Enterprise version (Where as Ultimate and Enterprise had it in Win7) it's there in Win8 Pro but doesn't enforce the rules. SRP runs in usermode and ...
5
votes
5answers
1k views

Is an antispyware really necessary?

I've been always running frequent antivirus scans on my computers, more because I am a security freak than because I really need them (I'm not one of those users that, after a browsing session, manage ...
12
votes
5answers
3k views

Stopping people from ssh(ing) into my Ubuntu machine

I want to be able to stop people from been able to SSH onto my machine but still need to SSH out, is this possible?
1
vote
2answers
4k views

USB Drive access denied in Windows 7

I have this new flash drive in my office Win 7 machine where I am unable to copy files/folders. takeown /F E:\ says Access is denied and when I try to change/add users in the Properties> Security > ...
1
vote
1answer
152 views

How are Wi-Fi passwords sent to the router securely?

Maybe I'm just being stupid, but whenever you type the password to gain access to a certain Wi-Fi network, how is the password sent to the router securely? Wouldn't it be easy to intercept the ...
6
votes
4answers
20k views

Group Policy: Block access to \\localhost\C$

We have a restricted Windows 7 computer that hides and prevents non-admin users from accessing the C Drive using the following policies: Prevent access to drives from My Computer Hide these ...
-3
votes
1answer
323 views

Crome crash, “Update Sync Passphase” - Browser hacked? [closed]

I went to a link at simplyhired.com and my browser crashed. When I reload it, I get the message, "Sync Error: Update sync passphrase" This might just be an innocent crash, but it sure sounds like a ...
2
votes
2answers
435 views

Can someone access my locally run website even if I haven't specified any port forwarding?

I am using Xampp so I can test my web application directly on my own computer. I am concerned that someone can access my Xampp site since I am still connected to the internet. However, I have NOT ...
2
votes
1answer
71 views

Find out who compressed the files

I received a message that contains a compressed RAR file. How can find out who compressed the files and created RAR file? (the user account or computer name)
1
vote
1answer
140 views

Strategies in protecting your SSH keys in case of laptop theft

Is there any cool tool that encrypts your ssh keys and locks it down when you shutdown or put your computer to sleep? So in case someone steals your laptop, they can't get into your servers etc.?
1
vote
2answers
114 views

What is the least dangerous Java version? [closed]

(other than "none") My organization uses a necessary Java-based web app that will not be replaced in the near future, which runs on Java 1.4 and up. Should our (mostly Windows) users have Java 1.6, ...
0
votes
2answers
56 views

Can XSS and phising type attacks jump across browsers?

If I had two different browsers and separated their use such that I was only ever using browser A for things such as on-line banking and credit card purchases etc. And used browser B for everything ...
3
votes
1answer
2k views

Errors with Opera 12.11 — can't access google

Latest Opera 12.11 Am getting the following error when attempting to access http://www.google.com It works fine with all other browsers, so it is an Opera issue. Problem only started with 12.11. ...
0
votes
3answers
2k views

How to transer/execute a script on remote Unix server from Linux machine

I am trying to deploy an executable and execute it on a remote Unix machine (Linux/Solaris) from Linux without entering the password manually. I tried scp and also SSH key-gen utility to interact ...
0
votes
2answers
611 views

Is there any proxy standard/software which encrypts the conneciton between client and proxy server?

I know of usual HTTP proxys and Socks proxys (Socks 4 / Socks 5 - where the main difference as far as I know is the support for DNS resolution via proxy). Both variants more or less "pass the data ...
1
vote
1answer
794 views

About the security of adding a signature to a PDF file

We can add a "bitmap" or image signature to a PDF file, either by using Adobe Acrobat or by Mac's Preview app, but I wonder, besides always encrypting it with a password before sending it by email to ...
1
vote
1answer
180 views

Why does my Windows login screen display another username?

On my company's computer at work, I found another person's username on my login dialog for Exchange. I examined the security logs and found no traces of remote or local access. No one uses this ...
7
votes
3answers
6k views

Is the UAC level in Windows per individual user?

Can each user have different UAC level in a PC? Specifically, can an Admin have UAC level set to "never notify" and a User have UAC level set to "always notify" and so on?
1
vote
1answer
63 views

Understanding IE’s Internet Security

This question is linked to my post Downloading file and internet security issue however this is more abstract. Consider the following: Website "www.example.com" added to trust zone. Navigate to a ...
1
vote
1answer
79 views

My Window's 7 is exposing me and my files I am the only administrator.

I am the only administrator on my Window's 7 Asus x53E series laptop. Why is a standard user able to access my files by just searching my name in the start menu? If I log into guest account and search ...
339
votes
12answers
17k views

How can I give my wife emergency access to logins, passwords, etc.?

I'm the digital guru in my household. My wife is good with email and forum websites, but she trusts me with all our important digital stuff — online banking and other things that require ...
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votes
1answer
3k views

Windows Security Center Service is missing

I am trying to fix a Windows 7 machine here that has been infected with all kinds of Malware. I have removed all of them as far as I can see but I am stumped by one last task. One little bugger ...
0
votes
1answer
444 views

Antivirus for Windows server 2008 r2 [closed]

Would someone, please, give me few recommendation for antivirus software on windows server 2008 R2? Do I need one, as nothing will be installed on server, it is not used for storing files? Are there ...
1
vote
1answer
249 views

Enabling the Power State Change Beep

I have a Thinkpad T430s. I found on other Thinkpads there's a beep when you plug or unplug the AC cord. While I hear a lot of people say it's annoying it seems like a very useful security feature. ...
0
votes
1answer
1k views

Disabling all write (cd burning) permissions for a specific group of users on all CD/DVD drives mounted in Windows XP Pro SP3

I want all users within 'Restricted' user group (Windows XP Professional SP3) to be able to read from CDs/DVDs they insert. I don't want these users to be able to burn any CDs/DVDs using CDRW/DVDRW ...
-1
votes
1answer
775 views

How to detect/list rogue computers connected to a WIFI network without access to the Wifi Router interface?

This is what I believe to be an interesting challenge :) A relative (that leaves a bit too far to go there in person) is complaining that their WIFI/Internet network performance has gone down ...
1
vote
1answer
5k views

Is there a way to allow users to install a specific program without opening full admin rights?

We have an automated builder that creates a "setup.exe" installer file which can then be downloaded by users in our organisation for QA testing. They download the file via a browser from a ...
-2
votes
2answers
528 views

Does 32-bit GeSWall protect 64-bit Windows 7?

GeSWall provides excellent Windows security, but there's no 64-bit version. It works on 32-bit Windows 7, and 64-bit Windows 7 can run 32-bit software, so I was wondering whether it does protect ...
5
votes
2answers
1k views

/dev/null missing, how can I replace?

How can I replace /dev/zero or /dev/urandom? I'd like to zero out the freespace of a headless server that doesn't have either /dev/zero or /dev/urandom (or /dev/random) nor does this machine have ...
1
vote
2answers
58 views

Internet connection to a VM running inside of an Internet-free computer?

Is it possible to have a VM directly speak to, say, a USB modem device on a computer that does not have an Internet connection, thus providing Internet access to the VM, but ONLY inside of the VM? Is ...
0
votes
5answers
647 views

What to do before connecting Ubuntu Server to the internet for the first time?

I just finished installing Ubuntu Server 12.10 on an Asus Eee PC 1000H (to be used as a home server/sandbox) from USB. I installed this software during installation: OpenSSH server LAMP server Samba ...
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2answers
185 views

Can emails be intercepted?

I'm hoping to email an application that contains sensitive information(like SSN) as an attachment over the email. Let's say that neither (the sender and the receiver's) email password was ever ...
2
votes
1answer
164 views

Why would a legitimate application request to disable antivirus during installation?

Context: I recently was asked by a user (a person with no large technological background) a basic question: how he can disable an antivirus. When I asked why would he want to disable it, the person ...
2
votes
1answer
1k views

Very Slow DSL (ethernet) speed [New Interesting Update]

Very Interesting and Important Update: Due to some reason I just thought to do a complete new setup and this time I decided to again have openSUSE plus Ubuntu. So I first reinstall Lubuntu and then I ...