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

learn more… | top users | synonyms (1)

0
votes
2answers
943 views

XP Suddenly asking for password [duplicate]

Possible Duplicate: Remove administrator password? Is there any sane explanation for a client's Acer Aspire 1 netbook, running XP Home SP 2, suddenly starting to ask for a login password at ...
16
votes
5answers
1k views

Is it secure to give someone my laptop with my Dropbox folder saved on it?

My laptop contains my Dropbox folder (under my account). I want to give this laptop to my friend for some time, and he will be using another account. Is it possible that: He will be able to access ...
13
votes
1answer
598 views

Why shouldn't we open an image in an email?

Most email clients do not display an image by default in the content of an email. But I don't understand this yet. How can displaying image job attack the computer?
10
votes
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?
7
votes
2answers
22k views

How to get the real IP address of someone using a proxy?

I was researching digital goods and security when I stumbled upon this company. One of the services they provide is "Real IP". They claim to be able to get the real IP address of users even when ...
7
votes
1answer
2k views

non-interactive ssh sudo… prompts for the password in plain text

I'm running some non-interactive ssh commands. The ssh authentication is taken care of fine through the ssh agent, but if I run a command that requires sudo then the password prompt in my terminal is ...
7
votes
7answers
1k views

Am I secure from network monitoring software if HTTPS is used?

I will be logging into my bank account and my personal email accounts at work. Its not banned at work, but I just don't want them to save/log a copy of whatever I do with these services. Especially my ...
5
votes
2answers
3k 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 ...
3
votes
6answers
1k views

a safer no password sudo?

Ok, here's my problem - Please don't yell at me for being insecure! :) This is on my host machine. I'm the only one using it so it's fairly safe, but I have a very complex password that is hard to ...
3
votes
1answer
12k views

Lack of permission to open user folder

I've experienced some error with my windows vista installation for reasons unknown (just a DELL from late 2008). Whenever I try to start up, the computer immediately reboots without letting me in. I ...
2
votes
3answers
673 views

difference between chmod 777 and chmod 007

What is the difference between chmod 777 and chmod 007? if 'others' means everyone, doesn't that strongly suggest the truth that chmod 777 = chmod 007?
2
votes
1answer
12k views

How can I get around “error 0x80070522” when creating files in the root of the C drive (C:\)?

One of our customers has just found a problem when trying to create a file on the root of the C Drive (C:\), on a Windows 7 Professional PC. I know they shouldn't be keeping files here, but there is ...
1
vote
1answer
8k views

How can I disable the “Open File Security Warning” when I want to run downloaded executable files?

I would like to disable the "Open File Security Warning" that says "Do you want to run this file?" whenever I double click on an .exe I download. I have Windows 7 Home Premium, so I don't have the ...
1
vote
2answers
656 views

How to properly wipe a hard drive prior to resale? [duplicate]

Possible Duplicates: Hard drive wiping? Erasing data before selling a computer I'm going to be selling a few old hard drives and was wondering what is the correct way to wipe these hard ...
0
votes
6answers
484 views

How do you setup your parent's computer? [duplicate]

Possible Duplicate: How can I make my mom’s Windows PC bullet-proof? How do you set up your parent's computer(s), if you're the on-call computer expert ? Do you recommend linux, ...
9
votes
4answers
653 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 ...
9
votes
5answers
3k views

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 ...
6
votes
3answers
1k views

Can a computer be infected by malware through web browser?

Can a computer be infected when it accesses a malicious web page? Why is not a web browser 100% safe? What web resources, such as Java Script, Flash or a HTTP connection, can infect a computer?
4
votes
3answers
2k views

How long will Microsoft support Windows XP Professional?

I am using Windows XP Professional for some specific software programs. Now I read in the latest German CT-Magazin that Microsoft will fix big security problems until 2014. At microsoft.com is spoken ...
3
votes
1answer
155 views

Is it possible to find the origin of a virus?

Is there any method with which you can determine the origin for a given piece of malware in Windows? One of my PCs was recently infected with the PWS:Win32/Zbot.gen!AP password stealing trojan. Is ...
3
votes
6answers
869 views

How did my computer get compromised?

How is it possible that my up to date install of Windows 7 with UAC enabled and Microsoft Security Essentials running became compromised, seemingly in a website drive-by? I've run ostensibly the same ...
3
votes
2answers
6k views

How to limit internet traffic in some computers of my home network?

I'm sharing my home wireless network, using a DIR-655 Wireless Router with 3 other people (2 using windows machines and one use mac laptop, I also use a mac laptop). I need to know how can I limit ...
2
votes
2answers
1k views

Disable Windows 7 screensaver over RDP

How can I turn off the screensaver in RDP sessions and thus keep the session alive and unlocked, even if I am not actively working in it for some time? Note: the solution should work without ...
2
votes
4answers
576 views

How to shred already removed file on modern filesystem? (randomize free space, journal, tails, … securely)

Consider the following: mount | grep home ... type reiserfs ... rm -Rf /home/user/over_9000_little_and_big_super_secret_files/ # oops, I should have shredded it instead. How can I properly and ...
2
votes
1answer
2k views

Is there anyway to remove denied permissions from a group for a folder if I dont have access?

I'm hoping the answer is yes. Due to my ignorance, I denied the 'Everyone' group all read access from one of my folders containing needed information because I did not want people on my network being ...
2
votes
2answers
847 views

WPA Password not remembered after a reboot

Every-time I reboot my laptop with WinXP, I have to re-enter my wireless password. I've looked but found no place to check to tell it to remember it. This worked at one time but I'm not sure what ...
1
vote
1answer
927 views

openSuse full disk encryption

I'm a proud Suser. I'm about to reinstall 12.2 on my ASUS N76VZ (UEFI x64 laptop). Since I'm very sensitive about laptop security against theft or unwanted inspection, I chose to use BitLocker with ...
1
vote
3answers
164 views

HTTPS in public wireless network: is it ok

When I am using public WiFi to go to a secured site that uses HTTPS, is my data encrypted? Is it a lot more risky than when I am on a secured network ?
1
vote
1answer
177 views

How to secure a laptop against thieves [duplicate]

Possible Duplicate: What are the possible ways for prevention of laptop theft? Hi ! I'm looking for some security hw/sw based solution for my laptop (non standard solution maybe? open the ...
1
vote
2answers
3k views

Wireless network connection: Security Type: Unsecure

For some wireless network connections, Windows 7's connection choice menu shows a warning sign with text: information sent over this network might be visible to others. What does this mean? How risky ...
1
vote
2answers
6k views

How can I get my router and Inprocomm IPN2220 wireless network card connected?

Problem I can not connect to my Techniclan WAR-54G router's personal wireless network via my older Acer Travelmate 2300 XP Pro laptop that uses a InProComm IPN2220 wireless network card. However, ...
0
votes
2answers
473 views

How can I locate my stolen Mac Book Air and Galaxy S4?

My car was broken in to, and both items have been stolen. I'm watching Dropbox, no activity. What else can I do?
0
votes
2answers
788 views

Change USB Model Name globally on the device

If I plug in my Kingston USB Stick, it automatically says KINGSTON DataTraveller 2G (or similar) in every OS. So I assume it is saved on the Stick. Is it possible to change this Description on the ...
0
votes
1answer
5k views

How to deny delete/modify permission to a file?

I want to deny myself the ability to modify or delete an executable. When .NET Reflector asks you if you want to update: and you choose No it spontaneously deletes itself as ...
0
votes
3answers
2k views

How to secure a public computer?

We'll have a couple of laptops sitting at a table at a convention we're going to soon. We're not concerned about physical theft - the laptops will be physically secured, and there'll be someone ...
0
votes
6answers
847 views

Is it dangerous if you drop a metal object(like a screw) on a motherboard that is powered on?

I am not very good with electricity so I can only guess. So should i be careful with screws and stuff when the pc is on?
-3
votes
1answer
3k views

security block self-running java program

I'm running a java program, but it is blocked by security software(maybe McAfee), I got a pop-up which says: Application Blocked by Security settings your security settings have blocked a ...
284
votes
11answers
12k 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 ...
114
votes
7answers
16k views

How to use the Internet while Heartbleed is being fixed?

There are many websites who are not currently vulnerable, but I have no idea if they were vulnerable a few days ago. For example: twitter.com: Not vulnerable right now, but the certificate is from ...
105
votes
5answers
8k views

How do identify whether my Linux computer was hacked?

My home PC is usually on, but the monitor is off. This evening I came home from work and found what looks like a hack attempt: in my browser, my Gmail was open (that was me), but it was in compose ...
47
votes
5answers
3k views

What are the potential security issues when I keep using Windows XP? [closed]

Microsoft stopped updating Windows XP and the media warns us of security leaks. I actually just read that continuing to use Windows XP is "extremely" dangerous. Why exactly is this such a danger? I ...
69
votes
10answers
6k views

How to destroy a CD/DVD rom safely?

I have old CDs/DVDs which have some backups, these backups have some work and personal files. I always had problems when I needed to physically destroy them to make sure no one will reuse them. ...
11
votes
4answers
2k views

What are possible security issues with an SSH daemon?

I'd like to be able to SSH to my Ubuntu 10.04 office PC from the outside. I am thus thinking to start up an SSH daemon on the PC. What are the security issues, possible glitches, specific ...
29
votes
2answers
12k views

Is it a bad idea to use the same private ssh key on multiple computers?

I recently bought a laptop from which I need to access the same remote hosts that I do from my desktop. It occurred to me that it might be possible to simply copy the private key file from my desktop ...
19
votes
7answers
87k views

How to remove security from a PDF file?

I am trying to fill out some docs, but the provided PDFs are "SECURED", meaning I can't use FoxIt's typewriter tools. Is there any way to remove the security?
18
votes
3answers
12k views

Can other people on an encrypted Wi-Fi AP see what you're doing?

If you connect to an open, unencrypted Wi-Fi access point, everything you do can be captured by other people within range. If you connect to an encrypted point, then people nearby can intercept what ...
9
votes
2answers
27k views

What is the difference between a proxy and a VPN?

There are several service providers out there that allow a user to circumvent firewalls or anonymize their web access. Some of them use proxies, some use VPNs. Most people say that VPNs usually work ...
8
votes
3answers
9k 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).
25
votes
17answers
4k views

How can I physically destroy data from a failed HDD?

I have a broken HDD that contains sensitive data. Since no software can access the disk, I can't wipe it using any of the tools generally suggested. Breaking the disk physically into very small ...
6
votes
10answers
297 views

What are the guidelines for creation of a secure passwords?

What are the best practices to create secure passwords? I would like to make them tougher to crack with brute force tools. Part II Are there any tools that can generate these passwords so I do not ...