The attribute of a system that prevents the release of data to unauthorized individuals. The ability or expectation of an individual or group to reveal information about themselves selectively or not at all

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0
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1answer
127 views

Hacking through a browser? [closed]

I was looking at this question: How can you be caught using Private VPN when there's no logs about who you are? and everyone who read it and responded seemed to be taking for granted that every ...
3
votes
2answers
857 views

Pop-ups in Private Browsing?

The new Firefox private browsing mode allows for both non/private browsing windows at the same time. So if a website pops up a new window (which will be in non private mode) can it read stored data? ...
4
votes
2answers
177 views

Privacy/Security with SSH Tunnels and QuickVPN

I currently use QuickVPN, however, it does not seem to route my web browsing traffic through a tunnel. Am I correct? It only opens up a tunnel for accessing windows shares and documents back at the ...
3
votes
2answers
547 views

When using private browsing can a website view data stored before private browsing was turned on?

If a browser has been used to visit a few sites and has active logins and then the user turns on private browsing, can the sites still access data such as cookies and cached files that were created ...
6
votes
2answers
502 views

Stolen Laptop - Next steps

My laptop (modded 2007 Macbook Pro) was stolen 2 days ago when I didn't pay attention to my backpack in a tourist spot in Europe and while I'm quite certain they won't have much use for it (the apple ...
0
votes
1answer
577 views

Sniffing 3g network Pockethound

I was wondering if its possible to prevent 3g sniffing. Its not about the security of the information sent over 3g, but being able to use your 3g without anyone able to see traffic. There are machines ...
1
vote
2answers
1k views

How secure is XMPP with self-signed SSL certificates?

I'm looking for an easy way to set up a simple IM infrastructure that protects messages in transit as well as avoids having logs in places that neither I nor someone I trust controls. I'm based in ...
1
vote
4answers
9k views

Open VPN has DNS leak

Since using www.dnsleaktest.com I have found that any VPN service using Open VPN will leak my DNS through the tunnel. I have tried and tested several VPN providers, even those who say that they have ...
1
vote
1answer
186 views

Do any tracking networks or ad networks not use JavaScript and only track based on IP address? If yes, how can they be prevented?

Are there any websites that collectively track one computer based on its IP address alone? Browser extensions such as Ad block plus, Do Not Track Plus and Ghostery modify the client side script but is ...
3
votes
6answers
249 views

Does an email signature increase security?

I'm using Thunderbird with Enigmail. It has both encrypt and sign options for sending PGP emails -- but why is an email signature needed? It just looks overkill to me! Alice and Bob can use PGP to ...
11
votes
3answers
754 views

Is Gmail showing images by default a good idea for privacy?

Google have decided to show images in Gmail messages accessed via the web, iOS and Android by default: Instead of serving images directly from their original external host servers, Gmail will now ...
1
vote
2answers
954 views

How can I protect myself against programs that turn the webcam on without the indicator light? [duplicate]

Webcams can be turned on without the indicator light: to prevent unwanted use, I wonder whether there exist applications warning that the webcam is being used, or any other kind of protection. ...
3
votes
1answer
369 views

Can a site I browse in private browsing mode tell if I visited it in regular mode before?

I've noticed when updating a blog, that sometimes refreshing the page won't actually fetch it again, because it is still in the cache. Now, even when I open it in incognito in that same browser(say ...
2
votes
2answers
679 views

How to prevent user's mobile phone position tracked

Trying to follow up this post How to trace a (mobile) phone? , the answers on how to prevent being tracked while you own a mobile phone are: You cant. (even if you use disposable phones etc) 1) Why a ...
0
votes
2answers
425 views

Metadata-free Email: How can SENDER directly, anonymously, and securely ask RECIPIENT’s mail provider to deliver a metadata-free email?

If I want to send emails to friends who use Google, Yahoo, AOL, etc., how can I currently use my local email client to send a metadata-free* email to them? E.g., is it possible to bypass my own mail ...
3
votes
3answers
458 views

Can a zero knowledge proof of voting be made using a trusted auth server (without client side crypto)?

Questions: Can one implement a secure voting system having all the features described below? e.g. without disclosing any individual's vote to the government server (or the third party), preserving ...
306
votes
12answers
54k views

Is it bad practice to use your real name online?

On some accounts I use my real name on-line (Google+/Facebook/Wikipedia/personal blog), others (Q&A/Gaming) I use an alias. My question is: Security and privacy wise, what can people do with my ...
1
vote
3answers
502 views

Can my customer's ISP trace who visited my business website?

I own a private business and a web site with a domain name hosted with Godaddy US. I live in Europe. I want to know if the various ISP of my customers in my country can find out who visited my web ...
2
votes
1answer
232 views

Evil maids in the server room [closed]

I am well aware of the fact that physical insecurity in principle means no security. But let´s say I own a root server with full disk encryption which is unlocked/booted via dropbear ssh. In which ...
3
votes
3answers
2k views

How Tor, Privoxy, Vidalia and Polipo are getting together?

I realized that these applications are frequently used together. What is the role of each software in the mission of anonymity and privacy on the web? While I understand Vidalia is a GUI provider, I ...
6
votes
3answers
354 views

Phone Privacy for Small Business

I'm a small business operator and I'm looking for ways to provide security and reasonable privacy for my own business communications and communications of customers. All these businesses operate ...
1
vote
1answer
6k views

Efficacy of Chrome incognito mode

I am curious about the true efficacy of the browser private mode. I did a bit of googling and stumbled upon the following page. ...
2
votes
2answers
152 views

How to create an anti-flood mechanism without leaving VPN's out?

I'm trying to protect my applications from some bots that are either malfunctioning or trying to take my sites down (lots of requests from the same IPs in the logs). Every time someone requests an ...
2
votes
2answers
85 views

ICO compliance and Google Cloud SQL

I have a basic simple question for which I couldn't find anywhere. Is is possible to use Google Cloud SQL services and still retain the regulations from ICO and other similar requirements? I ...
3
votes
1answer
615 views

How is a Tor hidden service immune to exit node attacks?

Let me explain with a nifty diagram: IP/RP <-> bunch of Tor clients/node (Tor circuit) <-> Tor hidden service Wouldn't the last Tor client in the circuit knows that the message is for the Tor ...
1
vote
1answer
140 views

what info can web bugs track?

From EFF's Web Bug FAQ(point 6), What information is sent to a server when a Web Bug is viewed? The IP address of the computer that fetched the Web Bug The URL of the page that the Web ...
2
votes
1answer
1k views

Open source video conferencing software with encryption [closed]

A couple of friends and I are looking for an open source video conferencing software. We'd like to run the server on a Debian box, but the clients are Windows machines. Most importantly, it should ...
46
votes
2answers
11k views

Best practices for Tor use, in light of released NSA slides

It has been known in the security community that a tool as versatile as Tor is likely the target of intense interest from intelligence agencies. While the FBI has admitted responsibility for a Tor ...
2
votes
1answer
211 views

Torception: An onion within an onion

With the recent takedown of silkroad, I am pondering on how anonymous you actually can be on the Tor Network. Other more legal or moral uses such as anonymity as a right, or avoiding censorship. These ...
2
votes
5answers
2k views

How can a non-technical user verify a message was sent “securely”? …or over TLS?

I have a situation where B2B and B2C communication needs to be sent securely and not visible to most SMTP hijackers. I don't care about conspiracy theories or NSA style attacks, but want to provide ...
1
vote
1answer
112 views

How can I block flash from obtaining a list of available fonts in my browser? [closed]

How can I block Flash, at least in Chrome, from obtaining the list of available fonts in my browser? It seems that the combination of fonts available is the easiest way to fingerprint a browser.
0
votes
1answer
105 views

Browser Extension to show how your session is being shared

A while back I came across a browser extension (was available for Firefox and Chrome, maybe others) that showed you through a graphical 'node' interface how your browser session was shared with so ...
5
votes
3answers
1k views

Does Google's SSL encryption for searches thwart NSA spying?

Given everything that is suspected about NSA (and GCHQ, DGSE, etc.) access to user data: Avoiding speculation, can and do we know whether Google's recent action to make all searches use SSL ...
1
vote
0answers
75 views

How did these websites see through the VPN tunnel? [duplicate]

I'm using privateineternetaccess to VPN my internet connection. Recently I've noticed some web sites appear to know my real location and IP address. The most alarming incident I've seem to have been ...
6
votes
2answers
943 views

How does dnsleaktest.com find my DNS provider

Can't see how they find this over the web. I'm on Windows, its in my network config. It changes when I use a VPN provider, but not when I use a local socks proxy connected to a remote server over ...
2
votes
3answers
188 views

Avoid third party access to system

I need to go through airport security and customs, and its known that at least the German customs (http://en.wiktionary.org/wiki/Bundestrojaner) (and I suspect others as well) try to upload software ...
1
vote
1answer
171 views

Security Standards for storing private customer data

A certain government regulation in my country mandates all non-resident donors to provide a copy of their identification (usually, the passport). So, we ask the donors to upload a copy of their ...
2
votes
1answer
4k views

What is cleardot.gif next to the senders signature in Gmail? [closed]

I am concerned that my computer has been compromised because I sent an email out - but now I noticed that there is a link in the email I did not insert, and I am worried I have a virus or something. ...
1
vote
2answers
140 views

Does a OS manufacturer have permission to access your computer unauthorized? [closed]

Many services such as email and online storage have stated in their Terms of Service that they have the right to view and delete your files at any time. I'm wondering if they same applies to software ...
8
votes
1answer
362 views

Are there any reasons why browsers should block mixed passive content by default?

Most browsers block "active" content that's being loaded over HTTP on HTTPS pages. This includes stuff like javascript which can be modified with an MITM and compromise the security of the entire ...
3
votes
1answer
378 views

Using only private non-government resources, how can something be sent such that the NSA will see it? [closed]

Supposing you want the NSA to see something, what does one have to do to guarantee it. This means in their normal data collection it will be swept up, not in a targeted probe of an individual or with ...
1
vote
2answers
2k views

Privacy of Gmail for business?

Considering the recent litigation in which Google apparently claimed that all the emails, all the data in them, are Google's property and can do with the data whatever they want, I get frequent ...
0
votes
3answers
146 views

Securely transferring data from service provider to client

Suppose a client C wants to transfer form a service provider P, who collected data on behave of C using a web-application. Additionally, suppose the amount of data is larger than 100 MByte and ...
0
votes
2answers
122 views

Germany: Privacy Protection Regulations and Response [closed]

Do privacy protection laws within Germany/EU protect students from gross invasions of privacy? I have reason to believe that through some either permitted or unsanctioned channel my teacher was able ...
1
vote
1answer
73 views

Gaining sensible information from advertisement displayed in web pages

As we all know, JavaScript loaded inside a website A gets restricted to access the domain itself [same origin policy]. Unfortunately, same origin policy does not apply to newly created DOM nodes, ...
67
votes
3answers
3k views

Did US and UK spy agencies defeat privacy and security on the internet?

This question is meant as a canonical question in regard to the US and UK spy agencies compromising end nodes and encryption between nodes to spy on people they suspect to be terrorists. However, this ...
4
votes
2answers
160 views

To What Extent does an Attacker Have Access to the Browser History through the CSS Pseudoclass :visited Styles?

I have read this article on how a scripted web page is able to obtain the visited history of a user browsing the page. However, I can't find any clear information in the article describing the extent ...
4
votes
4answers
1k views

Does using Google DNS make extensions like AdBlock Plus useless?

As many of you probably do, I am not using my ISP DNS because of very low performance, and I am using Google's primary and secondary DNS (8.8.8.8 and 8.8.4.4) which are good speed-wise but, knowing ...
3
votes
3answers
917 views

Are kiosk-style, full screen apps possible on iOS, Android, or Windows phone?

A popular car insurance company in the US has an app that displays "digital car insurance" papers. In the commercials, these apps are opened, and the user gives the unlocked phone to police officers. ...
0
votes
1answer
174 views

In which country can you host a service which honors privacy?

Recent events like the Lavabit case have shown that it is no loger possible to host a server in the United States and guarantee your users that you will keep their data confidential, because the US ...