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

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Is Steam for Mac effectively running as superuser?

When you download the client it does not weigh too much, and seems to do very little. Inside the app bundle there is a script that—upon inspecting the environment and deciding you're not running ...
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3answers
6k views

Change EUID of running process

On Linux, how can I change EUID of running process from command line (provided I have root access)?
11
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4answers
4k views

WebCam as a security camera

I am looking to mount a webcam to my laptop (which sits at home all day) to act as a security camera. I'd like to it to write the video to an external hard drive, which I can then review later. It ...
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5answers
1k views

Top ten security tips for non-technical users

I'm giving a presentation later this week to the staff at the company where I work. The goal of the presentation is to serve as a refresher/remidner of good practices that can help keep our network ...
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2answers
5k views

How to find out when a disc (DVD) has been written/burned?

Is there a way/tool to determine the date and time when a disc has been written/burned with high certainty? This is about data forensics and should be a solid proof. I already tried IsoBuster, but it ...
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3answers
8k views

Are saved Remote Desktop credentials secure on the local machine?

Are saved Remote Desktop credentials secure (loosely speaking) on the local machine? They aren't stored as clear text anywhere at least, are they? Edit: I understand the inherent risks of saving ...
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4answers
3k views

Recommended offline on-demand virus scanners

I have never run full anti-virus on my Windows XP systems. Instead I use various anti-malware tools to manually perform scans every few weeks. This approach, combined with Windows updates and ...
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5answers
11k views

Prevent installation of IE toolbars?

If there is one thing I would like to see become a standard feature in Internet Explorer it would be the ability to prevent installation of damn toolbars and for those preventative measures to be ...
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2answers
1k views

Mac OS X security export won't accept passphrase

I'm trying to export some items on my keychain like this: hostname:~ username$ security export -k login.keychain -t all -P "passphrase" but I always get this error: security: SecKeychainItemExport: ...
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7answers
286 views

How to browse safely?

Just curious. What are the best practices and tools you use for safe Internet browsing? How to stay away from spywares, adwares etc? Update: For my work, I use Internet Explorer on Windows and ...
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4answers
1k views

How to secure my Windows 7 PC?

Hi I am going on vacation. I wanna secure my PC. Is there any way I can lock down my PC so that nobody can boot up it? Any BIOS level security? BTW. I am running Windows 7 Ultimate.
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3answers
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Should I Upgrade My Old Wireless Router?

I have an old wireless router, and I mean stone age old (5 years). There is nothing wrong technically with the router, it serves my wireless needs at home but it is really darn old. A search on ...
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2answers
607 views

If I purposely lock myself into a Standard User account, am I going to cause problems for myself later?

I'm an intermediate to lower-advanced level user --- I work in IT, do a bit of programming, etc. One of the things I'm a real stickler for in programming is "best" practices, or going out of the way ...
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3answers
11k views

Simple built-in way to encrypt and decrypt a file on a Mac via command-line?

Are there any built in command-line tools that I can encrypt and decrypt a text file (and provide it some sort of password).
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5answers
113k views

Access denied even though I'm an Administrator?

My user account on Windows 7 is part of the Administrators group which has a full control permissions on C:\inetpub\wwwroot: However, when I try to create a folder in it, I get the "access denied" ...
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7answers
1k views

Browser for paranoid people?

Is there a web browser out there that is more suited for paranoid people? Why would you choose it/ What feature would your ideal paranoia browser have? For instance i would want one which Sends NO ...
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1answer
11k views

What is the default username and password for SonarQube?

What is the default username and password for a fresh installation of SonarQube? Or how do you create a user?
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2answers
4k views

Difference between Malicious Software Removal Tool, WinDefender, Security Essentials?

What is the difference between these three products? Malicious Software Removal Tool Windows Defender Microsoft Security Essentials
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1answer
4k views

How does S/MIME differ from PGP/GPG, for the purpose of signing and/or encrypting email?

In addition to the titular question, are the two technologies compatible? If so, under what circumstances? What are the relative benefits of the two technologies?
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3answers
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Which ports to open for Microsoft SQL Server?

Having searched the internet a few times on the best way to open up SQL Server connectivity through windows firewall i've yet to find a best way of doing it. Does anyone have a guaranteed way of ...
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5answers
3k views

Does NAT provide security?

I'm following discussions about the IPv4->IPv6 transition, and IPv6 doesn't seem to like NAT at all. I've always thought that NAT was helpful in v4 for some security, I know it doesn't really hide ...
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3answers
1k views

Do end users need to do anything about the Heartbleed security bug? What?

I see in the news about the “Heartbleed” security bug. As an end user, do I need to do anything about it?
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3answers
3k views

Windows XP Mode Vulnerabilities as of April 8th, 2014

EDIT I appreciate the answers I've gotten so far, but I might not have worded the question clearly enough. Is the Windows 7 side of the machine running in XP Mode exposed to any dangers it would ...
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2answers
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rsync --remove-source-files deletes source files one by one or after rsync completes?

I have an rsync command in an application that copies the contents of a folder to another machine. I have the option --remove-source-files because I'm only interested in having the files on the ...
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1answer
936 views

How to “jail” Java applications in OS X?

Is it possible to "jail" Java applications? My bank has an applet that requests "unrestricted access" to my computer. That makes me feels very uneasy. There should be a way to tell the java ...
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6answers
437 views

Thinking beyond passwords [closed]

I was having a discussion with a co-worker earlier this morning related to passwords and the future of computing. One of the topics we discussed was whether passwords could be replaced with visual or ...
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5answers
6k views

If Mac code signing is tampered with, what might fail?

What annoyances or real problems may occur when the digital signature of a Mac application is broken? Applications on a Mac can be digitally signed. When the signature is somehow broken, I know a few ...
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1answer
4k views

How secure is Apple's Bluetooth keyboard?

Can anybody post any documentation on how Mac OS X and Apple's Bluetooth keyboard pair up with each other? I have seen the articles Apple keyboard pairing over Bluetooth and Which wireless keyboard ...
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11answers
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Unix: How can I allow only one person to see my folder in the same fs?

I want to give an access to a dir for a friend. He has the access to the file system, where the dir is located. I don't want to set the permissions to all users. How can I allow only a person to see ...
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4answers
419 views

If a “forgot your password?” page emails your old password, is that definitive proof that they have stored it in plain text?

When a site emails your old password, as opposed to requiring you to reset it on the site, I'm wondering what that implies about their security measures. Does this mean that they store the password ...
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10answers
729 views

Is email encryption practical enough?

All emails I have ever sent were sent as plain text. Like postcards, everybody on the way to the addressee could easily read and store them. This worries me. I know privacy is something of the past, ...
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9answers
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How do I skip the “known_host” question the first time I connect to a machine via SSH with public/private keys? [duplicate]

How do I skip the "known_host" question the first time I connect to a machine via SSH with public/private keys?
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7answers
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How to send a batch file by email

Trying to send a batch file as an email attachment, I get the following error: mx.google.com rejected your message to the following e-mail addresses: foo@googlemail.com mx.google.com ...
9
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3answers
58k views

Is the wifi password stored somewhere in windows-7? [duplicate]

One of my friend connected me to the wifi in our area . Now my computer automatically connects to that wifi. I don't need to enter the password. I wanted to browse internet using my android phone. ...
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5answers
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Are .docx or .pdf files potentially dangerous?

Just a general question of computer security - if I download a .pdf or .docx from an untrusted source, can it seriously harm my machine/give a malicious user access to my information? Or is it ...
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11answers
4k views

Should I let my browser or the site remember my password, or neither?

What are the security implications of letting a web browser remember log-in information for me? Should I let a browser remember, like Firefox or Chrome, or should I let the site remember? I'm sure ...
9
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4answers
722 views

Is it possible to safely contain a virus - not letting it spread?

I need to run a program, but I don't trust the author. I think it is infected with spyware or viruses, malicious files. I scanned it, did n't find anything, but still not feeling good about it. So I ...
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3answers
1k views

Does Windows 8 include the Windows Help program (WinHlp32.exe)?

In 2011, Symantec reported on the use of the Windows Help File (.hlp) extension as an attack vector in targeted attacks. The functionality of the help file permits a call to the Windows API ...
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5answers
11k views

Is it possible to encrypt home folder on windows 7?

Ubuntu and MaxOS has an ability to encrypt home folder in case laptop is stolen. Is it possible to do same thing on Windows 7? I need to encrypt home folder so it will be encrypted and decrypted ...
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2answers
7k views

Finding the physical local path associated with a Share UNC folder

Let's say I am Admin on a server named "Server1" and a share exists using the following UNC path \\Server1\Share1 If I remote to Server 1 and log in as Admin, how do I find the physical drive ...
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1answer
200 views

Security concerns of displaying ssh private key

I've made I huge mistake, or at least I think it is: I've "catted" my private SSH key cat ~/.ssh/id_rsa I'm now afraid that I've created a security hole, allowing other users to see my private key ...
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14answers
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How to disable Utility Manager (Windows Key + U)

How do I disable the Windows + U hotkey in Windows XP? Alternatively, how do I stop the utility manager from being active? The two are related. The utilty manager is currently providing a potential ...
9
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4answers
34k views

putty 0.61 : why do I see “Access Denied” message after I enter my login id?

I use putty to login to my RHEL 5.3 server. I'm prompted to enter my login as "login as " and I enter my login Id. as soon as I press ENTER, I see a "Access Denied" message following which I'm ...
9
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1answer
6k views

What makes the address bar in IE turn green?

What aspect of a site's SSL certificate causes IE's address bar to turn green? I'm working on a site which already uses SSL successfully, but am interested to know if there are different levels of ...
9
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3answers
649 views

My Spam Trap Caught A Company - How Legitimate Is Their Response?

I have my own domain (lets call it MyDomain.com), and my email account is set up such that all mails sent to @MyDomain.com will end up in the same mailbox. So, think of a word, put it in front of ...
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6answers
5k views

Port scan revealed port 1111 open. What is it?

I am new to systems administration and have a new server running a website with http (at port 80), https (at port 443) and ssh (at port 22). I did an nmap port scan using my personal laptop and other ...
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2answers
4k views

How can I check if a domain uses DNSSEC?

DNSSEC has been deployed on some topdomains now. But how could I see if a site/domain is using DNSSEC? Is it shown in the browser? or is there any windows or linux command to see it? or a tool for it? ...
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4answers
4k views

How to hide Browser Plugin Details in firefox for more privacy?

I'm trying to trick the results in this page to have more privacy/anonymity: https://panopticlick.eff.org/index.php?action=log&js=yes So far the best I could do is change the user agent, with the ...
9
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1answer
7k views

Permission to make symbolic links in Windows 7?

How can I grant a particular user the permission to create symlinks in Windows 7? I've searched through "Group Policy" and Google, but haven't found anything. On a side note, is there a way to ...
9
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1answer
586 views

“Panic Password” on Linux

I run Linux on my netbook with an encrypted home directory (decrypted when I log in). One idea I had (partly from Cory Doctorow's Little Brother) was to have a password that I could enter which would ...