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33
votes
8answers
4k views

How much information can websites get about your browser/PC?

I am trying to determine if the information shown on www.whatsmyip.org is the absolute maximum amount of information that a webserver can obtain from a web visitor. Are there other sites that will be ...
13
votes
3answers
8k views

How secure is an SSH tunnel or connection?

I have often advised people to use an SSH tunnel to secure their browsing on open WIFIs or in other insecure situations. I was recently asked by a friend how secure a SSH tunnel is after I had ...
12
votes
2answers
379 views

Understanding phishing/basic internet security guide, for teens?

I just helped a 13 year-old relative set up a new Windows 7 desktop, making it as secure as I can remember knowing how to. I has been an hour, and he just came to me saying "I seem to have a virus.". ...
4
votes
1answer
778 views

Is my network infrastructure visible outside of my wireless router?

I have a wireless router which connects to the Internet. Do external sites and services know that I'm using a router and it is not a final PC? For that matter can external services (and perhaps my ...
4
votes
2answers
708 views

Firefox: Any way to allow javascript to disable or replace the context menu only to specific domains?

This is something that's commonly abused, so I almost always want it to be off, except when I'm using a handful of large webapps that use the feature properly, such as Google Docs. I know there's a ...
4
votes
1answer
177 views

Why inputting 'nul' in windows cmd gives a certain error-message

Whenever I type 'nul' into the command prompt (whichever directory Im currently in) I get a "Windows Security"-popup saying this: Windows Security Your Internet Security settings prevented ...
3
votes
7answers
2k views

Why not open a PDF file in the browser but first save it to the harddisk?

Question Is it correct that saving a PDF to the hard disk first, and then opening it from there with some PDF reader (not the browser) is safer than opening it directly with the browser plugin? My ...
3
votes
1answer
462 views

Is it easy to hack a weak passworded linux pc from the Internet?

My question may seem very amateurish or even incorrect, but do please take in account that I'm a complete noob in computer and network security. I'm just trying to find out some information here. ...
3
votes
3answers
19k views

How to disable internet connection only for some standard user accounts in Windows 7 Ultimate?

There are many users in my machine with Windows 7 Ultimate installed. Some of them are standard user accounts that have no administrative access to the computer. I want them to be unable to connect to ...
3
votes
2answers
370 views

Weird hits on port 2703

I'm getting these periodical console messages on my Mac: 7/22/11 8:01:03.925 AM Firewall: Stealth Mode connection attempt to UDP 10.0.0.1:2703 from 91.143.232.133:15881 7/22/11 8:01:05.885 AM ...
3
votes
2answers
2k views

How to prevent some users in Windows 7 from accessing sites other than a set of certain sites?

I am using Windows 7 Ultimate with some user credentials on a single computer. I want to prevent some users from accessing sites other than *.stackexchange.com and stackoverflow.com. How to do this ...
3
votes
2answers
419 views

How can my banking web site uniquely identify computers?

My online banking web site can uniquely identify computers (Windows OS) on my home LAN. Identity confirmation is done for each web browser on the computer. That is, when I try to access their web ...
2
votes
5answers
395 views

Looking for a replacement to current Antivirus Software

About 4 years ago, I found Kaspersky and have been using the most current version since. Most people try and argue the use of AVG or Avast to me, and there are some very solid reasons I do not want ...
2
votes
8answers
2k views

Remove Internet Security 2010 virus?

My system is infected with Internet Security 2010. I can't even go to task manager or boot in safe mode. I also can't even run any antivirus programs. Are there any solutions?
2
votes
2answers
114 views

How to protect myself against an email identity scam?

I'm using Windows 7 and Windows Live Mail. Yesterday some spam email was sent from my computer to all of my contacts! How do I stop this? Is there any way to do a security prompt before email send ...
2
votes
1answer
104 views

Is HTTPS connection hijacking possible?

This really bothers me a long time, because.. to encrypt / decrypt data you first need to send a encryption key / decryption key (on an unencrypted connection) to the computer you are comunicating ...
2
votes
2answers
485 views

My gmail password hacked in Firefox?

While writing a message using Firefox suddenly my gmail login details, including password, were pasted into the body of my message at the current cursor position and in the browser's find field (whole ...
2
votes
1answer
263 views

Securing an Ubuntu Lucid web server

I have an Ubuntu Lucid server that is public facing. I haven't really configured much on it except installing SSH (sshd) and Apache (httpd); I don't have a firewall or anything. Are there some common ...
2
votes
1answer
182 views

What's the difference between a public, private, or work WiFi network, and what risks are there with each?

In Windows, you get asked if you are connected to a trusted or not trusted network. It gives you the option of deciding whether it is public, work or home. Why doesn't Linux ask me anything like ...
2
votes
2answers
112 views

Security with Email and Bank Accounts [closed]

I emailed a pdf of a bank statement to a small number of board members of a small volunteer organization. The account has additional security measures on it which include requiring two signatories on ...
2
votes
1answer
60 views

Recover from phishing and being a good citizen

There is a mail floating around which claims that someone you know wants to share a document with you and once you follow the link in the mail you get to a site that asks your google (or others) ...
2
votes
1answer
186 views

Internet Options window does not open

On a windows Server 2008R2 - while logged as the domain administrator. I am unable to open the Internet Options windows. Using the IE Tools: I get a restrictions error: Restrictions This ...
2
votes
0answers
118 views

How can I use a password with special characters in desktop programs?

At the moment I am concerned about the security of my Facebook account. I have taken advantage of Facebook's ability to accept very long passwords with special characters, and created a password that ...
1
vote
2answers
790 views

Networking packet sniffer for Linux that captures the application names?

I tried Wireshark. It shows the source and destination IP address, port number, and packet contents, but nothing about which application is using the packets. Apparently tcpdump is similar; network ...
1
vote
2answers
6k views

How to remove mDNSresponder from a Mac OS X Snow Leopard?

I got a message from WOW platform saying my machine was generating suspicious activity. I run AED4 and MacAffee last versions with 0 threats results. Then I turned to the Activity Monitor and checked ...
1
vote
2answers
520 views

Wifi password VS MACs filtering - in terms of speed vs security

Background First I need to say that I know about how better it is to secure the wifi network even with WEP , than to not secure it at all, and I know there is a thread asking a similar question like ...
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
93 views

Is there a way to audit the security of my passwords on the web?

With so many websites with unique login systems, is there a way for me to track, and improve the quality of my login credentials on various accounts while limiting the risk of someone gaining access ...
1
vote
3answers
439 views

Stop spamming activities coming from my emailaddress

I have had emails sent to all my contacts with spam like: viagra, medhealth, etc as if I sent it. How can I stop this?
1
vote
1answer
1k views

How does Google Chrome's Sandbox work?

I was reading some articles regarding Google Chrome's sandbox and watched a video but I don't have quite a full understanding of it. I read somewhere that it depends on Windows for its security so ...
1
vote
1answer
66 views

Public Wi-Fi and software updates

According to Microsoft, "Never update your software on a public Internet connection." So I have some questions. 1. What if a public Wi-Fi hotspot is the only Internet available, ever? Never update ...
1
vote
1answer
174 views

How to utilize username/password GET return from NoScript ABE

First, apologies for the cryptic title - let me explain: I'm at an airport that offers free wifi after you watch an advertisement. I did so in Firefox 4 running NoScript. I allowed scripts globally to ...
1
vote
1answer
73 views

What does Windows Firewall do if I don't add a specific firewall rule?

Suppose I have a program which needs to connect to the Internet in order to work. Let's also say that I only want this program to communicate on private networks, so I add a firewall rule allowing it ...
1
vote
2answers
109 views

Security of accessing my home PC with dynamic DNS

I want to access my home PC when I am outside. I know this can be done using dynamic DNS (ex. DynDNS), but my question is around the security of doing so. If I was to set this up today, I will have ...
1
vote
1answer
206 views

How new AV companies deal with signature database?

How a new Internet-Security/Anti-Virus startup prepares its malware database? I have seen some new products that are able to detect viruses that were on the wild 10-15 years back.
1
vote
0answers
113 views

Is Windows Firewall active on OpenVPN connection?

(This applies to "private" Internet browsing through a VPN such as privateinternetaccess.com) If I connect to a VPN using OpenVPN client on my Windows 7 box, will the Windows firewall be active ...
1
vote
0answers
298 views

Trusted Site displaying as Unknown Zone (Mixed)

We have an application that must run in IE and the client insists the application runs as a Trusted Site. When we set the url as a trusted site in IE settings the login page loads fine and IE says ...
1
vote
0answers
151 views

How to set up IIS on Windows 7 for security?

I have a Windows 7 Ultimate PC I use as a server. I have IIS running and would like to expose it to the internet for personal use. I have no idea where to start doing that without letting the world ...
0
votes
4answers
114 views

I don't use antivirus software (just MSE). Am I insane? [closed]

I know my way around computers, yet I feel safe using only MS Security Essentials. I feel that Norton (et al.) are bloated software suites, that aren't that useful and suffer from massive feature ...
0
votes
4answers
2k views

Public WiFi access - block router IP to guests

A local private club have recently gotten WiFi installed however they are doing it by just using a normal BT service that you or I would use at home.... My question is how can it be set up to stop ...
0
votes
1answer
560 views

Chat Roulette-like web site sniffed my HTTP traffic [closed]

I was on a random webchat site, similar to Chat Roulette. I had a couple of different browsers - IE and Firefox - open. I was talking to a person in one of them, and then they identified the URL of ...
0
votes
2answers
101 views

Grandma's Computer - Can a user that belongs only to the “Users” group in Windows XP install malware, virus or IE addons?

I am trying to figure out if having a user in the "Users" group will be enough to prevent her from install unwanted software. The things that I don't want the user to be able to install are: virus ...
0
votes
2answers
18 views

Security of domain bought through Google apps

I have recently heard of many security flaws in go daddy accounts. I have bought a domain through Google Apps but they use go daddy as their registrar. I was wondering whether this means I have an ...
0
votes
1answer
823 views

How to write a `.bat` script to change folder security automatically?

Currently I'm trying to deploy BugNET application on my machine following their official document. One of those steps is to change the security property of the published folder proceeded as below ...
0
votes
1answer
70 views

I need Internet Security software with following properties

I want to own an Internet Security software , but I prefer that it has following properties : Not a heavy one that killing the machine (Like Norton) . Delete the viruses , and don't keep it after ...
0
votes
1answer
6k views

Why does this message 'Your internet security settings prevented one or more files from being opened' pop up?

On several occasion the message that your internet settings prevented one or more file from being opened pops up and I am unable to carry out the tasks further. Why is that ? One of the instance ...
0
votes
1answer
188 views

How to find key loggers or such kind of softwares in my computer? [duplicate]

Possible Duplicate: Computer is infected by a virus or a malware, what do I do now? I usually try different kind of software which are available on net those can be trial versions or ...
0
votes
2answers
2k views

How can I find out who is trying to hack my computer?

I'm using Windows XP. I have heard that other users (or hackers) can access my computer's data when I'm online. So how can I know who is accessing my computer? I would like to create a log of these ...
0
votes
2answers
257 views

Steps to securing a new windows 7 pc and making it internet ready?

What are the major steps to take when securing a newly purchased windows 7 pc to make it internet ready? Here's what I've done so far: Check the antivirus. (it's a free trial for 57 days of norton ...
0
votes
1answer
38 views

Does a subdomain to my home server increase hacker risk

I am thinking of adding a subdomain to my regular domain but having it go to my office network instead of my website. Will this make it more likely (if even a little bit) that a hacker can find my ...