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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6
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3answers
65 views

Patient Hashes for Compression and Security

Are there any front-running approaches to using server-generated hashes to encapsulate patient condition in a concise manner while maximizing security? For example, a system to represent current med ...
6
votes
2answers
293 views

Is it secure to have an “email no longer available” feature on your registration form?

I was just implementing a new feature on the registration form of my site that checks if an email address is still available to register an account with. I am wondering if it is secure to show a user ...
6
votes
3answers
2k views

What can a hacker do when he has physical access to a system?

I mean, I'm a tech guy here in my region (not a hacker...). When I sit in the front of another person's PC, I notice a little fear about what I can do in the system. It's obvious that I will not ...
6
votes
3answers
2k views

How can a “server” know that what browser i'm using besides the user-agent?

How can a "webserver" know (or a sniffer between the srv<->and the client) that what browser i'm using besides the user-agent? Are there any "magic tricks"? javascript? java? How can I securely, ...
6
votes
2answers
437 views

With Google's new Privacy Policies going into effect soon, how can I better protect myself using their services?

From what I can tell, the gist of the new Privacy Policy from Google is that they're making a blanket policy to allow using your data between all their services, however they see fit. So now one ...
6
votes
2answers
456 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 ...
6
votes
3answers
633 views

Is it proper to be prompted that I entered an old password

I changed my Facebook password a few days ago. Today, I entered the old password chronically, and saw the prompt: Sorry! You Entered An Old Password And even shows the date&time when I ...
6
votes
2answers
1k views

Considering that SRP is better than SSH and Basic Auth, how can it be implemented in a website?

SRP is short for Secure Remote Password protocol, and provides a better way for passwords to be sent over the internet. I've read the information at it's Stanford University home page, the Wiki ...
6
votes
3answers
736 views

Does Google log my activity on service A when logged in to service B or by IP address?

Now that Google's new Privacy Policy will combine data from their various services... Will Google associate me to my activity on one service even if I am not logged in to that service? Did they ...
6
votes
1answer
182 views

TOR: I'm repeatedly being connected to a couple of Entry Nodes!

I'm using TOR (Orbot for Android), and when I look at the log of the connection establishment phase, I see that I'm repeatedly being connected to familiar nodes, especially the Entry Nodes which 3 out ...
6
votes
4answers
303 views

Establishing a Reputable Pseudonym with PGP Key

This has become a bit of a thought experiment for me. Suppose someone would like to establish a pseudonym along with a corresponding PGP Key, how could other people verify the correspondence between ...
6
votes
1answer
2k views

What are the privacy pros and cons of using a public DNS server vs. your own?

Whether I'm using a normal internet connection setup, or tunnelling it through an anonymizing VPN or through TOR, what information of mine is revealed to whatever DNS server that I choose (e.g. Google ...
6
votes
3answers
337 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 ...
6
votes
1answer
148 views

Creating a Private Key using Human Intervention

In a hypothetical system, lets say that a design requirement is that people who snoop around the database of a web application (sysadmin gone rogue, or what have you), do not have access to the plain ...
6
votes
2answers
244 views

Where are the anonymous/private domain validation SSL certs?

I have yet to find a CA that doesn't require personal information for DV certificates. Is this because all of the major browsers and operating systems have a policy to reject CAs that don't require ...
6
votes
1answer
2k views

Imei and phone number given to unknown sources. What are the risks?

The facts: A friend put his phone number (and possibly the IMEI) for his android device into some kind of hacking PC software that promised to (and actually did) extend his Whatsapp account that was ...
5
votes
3answers
4k views

Resolving an IP address of a Remote machine to its MAC address

I wanted to know whether its possible to get the MAC address of remote node (computer/Access Point) if I know its IP address. I have heard that if someone sends you an email (even through gmail), you ...
5
votes
6answers
15k views

Using Private Browsing mode while connected to organization's network

At the workplace I use the organization's network for accessing internet (well that's the only option). I am not sure if the network administrators monitor what I browse, how frequently I access ...
5
votes
2answers
12k views

Does chatting over Skype expose my IP address?

Is there a way to identify a person's IP address in Skype, when you're chatting with them? Does this depend on their Skype settings? And if you've recorded chat messages, can they lead to the actual ...
5
votes
4answers
2k views

Ways to monitor someone's internet traffic

If some authority for whatever reason decides they want to monitor your traffic on a wired DSL connection, how would they do it besides exploiting your OS? What are the other ways assuming the OS is ...
5
votes
2answers
699 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 ...
5
votes
7answers
1k views

Is PGP combined with a regular web-based email service secure?

With the disappearance of private email services like Lavabit and Tormail (http://www.dailydot.com/news/email-anonymous-hushmail-lavabit-nsa/) it seems that we will need to resort back to standard ...
5
votes
1answer
235 views

How safe can connecting to VPN really be?

I would like to make this story as short as possible since my question is not that long, I have worked with journalists previously in war zone where we investigated the involvement of EU IT companies ...
5
votes
5answers
5k views

How to avoid leaving any local trace that I went to a website?

I want to visit a web site, but I want to ensure there is no trace left on my computer that I did so. How do I do that? This question is not concerned with anonymity or detection on the network ...
5
votes
4answers
977 views

What's the safest way to access my US-based bank's website from within Mexico? VPN vs SSH vs HTTPS?

I will soon be moving to Mexico and living there for an extended period. During that time I will need to occasionally access my US-based bank's website. I'll always be connecting using my own laptop, ...
5
votes
3answers
541 views

Are there security (esp. privacy) benefits to deleting cookies?

As the title says, I'm wondering if there are any security/privacy benefits to managing cookies - that is, managing by deleting cookies you don't want or need. I deleted all my cookies about a week ...
5
votes
2answers
530 views

Mobile phone security eavesdropping based on data transfer

is there an easy way for particular governmental organizations (especially in countries where freedom of speech is a problem) have some technology where they can easily eavesdrop on cellphone internet ...
5
votes
1answer
315 views

Is it safe to abandon a free webmail account that has been in use for a significant amount of time?

I have a free webmail account that I have been using for around ten years now. Over the past two years I have almost phased out using this address. I have concerns around accounts that I may have ...
5
votes
2answers
604 views

Workarounds for :visited CSS History reconnaissance

Several years ago it was possible to use a:visited { background: url('/log.php'); } to figure out on what website user has been previously. But now it is restricted by browsers. Is there any ...
5
votes
2answers
229 views

Can Heartbleed expose a TOR user's IP address?

It is interesting to observe, that TOR exit nodes with out-of-date OpenSSL implementations can themselves be affected by the Heartbleed bug. Can Heartbleed expose a TOR user's IP address merely by ...
5
votes
3answers
895 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 ...
5
votes
2answers
267 views

Single vs multiple personas? What are the security implications?

I have two email addresses, one for work and one for home. I have have two cellphone numbers, one for work and one for home. But I am just one individual (and only have one social security number ...
5
votes
1answer
118 views

How long can I store personal information on unconfirmed subscriptions?

I have a monthly newsletter. In my subscribe form I use a double opt-in method: The visitor subscribes. I send him a confirmation email. If I receive a reply, I add him/her to my system. In the ...
5
votes
1answer
2k views

Can an iOS 7 app access either device camera without user knowledge?

This statement in the iOS 7 release notes implies that non-China devices do not need user consent: iOS now requests user consent for apps to use audio input on all iOS 7 devices. For devices ...
5
votes
1answer
75 views

What are the security challenges encountered with attribute exchange?

OpenID has Attribute Exchange, Facebook has Facebook Connect, and authorization services such as Oauth enable access to user data distributed across a range of content providers. What are the ...
5
votes
1answer
262 views

What countries have laws in place that respect Do Not Track HTTP headers or cookies?

Google offers a Chrome plugin that uses cookies to control privacy, while Firefox offers a HTTP Header to tell websites to not track the users and log the data anonymously. This obviously extends a ...
4
votes
3answers
12k views

Can a website still detect my real MAC address even if I use different virtual machine each time I visit the website?

Suppose I use a proxy and a different virtual machine each time I visit a particular website, will a website still be able to detect my MAC address and/or uniquely identify me? Assume that the website ...
4
votes
5answers
856 views

Could I be defrauded by a website who has my address, phone number, and credit card number?

Exactly what kind of information does a scammer need to scam someone money? For example, if there's a website which wants me to provide my details, Exactly what kind of information can I divulge and ...
4
votes
4answers
411 views

Received a Kindle from a stranger, what are the risks?

While getting a coffee today, a man walked up to me and offered me a kindle. he said he no longer wanted it and that he was looking to give it away. An avid reader, I accepted. It has no accounts on ...
4
votes
4answers
687 views

What issues are most important to cover in Corporate Security Policy?

What about a Privacy Policy? Both internal, and external. From another Area51 proposal.
4
votes
3answers
532 views

How to protect against a determined harasser

My girlfriend is an admin on a German speaking site that for some time has been harassed by what we presume is a disgruntled user. At first it was merely an annoyance but a couple of days ago the ...
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 ...
4
votes
5answers
10k views

Company computer use from home - how much can they see on the desktop?

I have a company supplied computer that I use from home. I log into VPN (cisco AnyConnect) when i need to access company email or internal company sites. In the past the company has been able to ...
4
votes
4answers
543 views

Is silverlight and Java running on the web browser capable of saving “state” into the user's local machines?

I am aware that even after we have cleared our cache and cookies, websites can still save files/information into our computer using Flash (Flash ever cookies), I was wondering does other plugins like ...
4
votes
4answers
323 views

How to securely share files with other individuals?

I have a collection of files I would like to securely share with a small number of other people. The collection is mostly static; no more than one or two new files will be added per month (after the ...
4
votes
2answers
399 views

Privacy of Image search with https

I am connected to the internet in the office where I don't want the administrator of the network to find out the contents I check (for example images). First I use a Firefox private browsing window ...
4
votes
3answers
552 views

Further potential problems with Windows 8 SmartScreen

Some research was recently published that showed that Windows 8's SmartScreen feature sends certain details about every single application that you install to Microsoft. Ignoring the obvious privacy ...
4
votes
2answers
350 views

How to refute “don't use internet if you don't like it” answer?

I hope it is legit question, similar to, for example, Why do law-abiding citizens need strong security?, et al. and it is tightly conected with user's security, privacy, etc. The response I always ...
4
votes
2answers
3k views

Does Google record search / source IP [/ user] pairs?

Does Google record search / source IP [/ user] pairs? What if my Search History is off?
4
votes
6answers
964 views

When storing private identifying information in a web application, what is “industry standard” best practices? [closed]

I am building a hosted (SaaS) web application that stores PII like name, email address, and employer of the user. As of right now, I don't intend to ever store credit card numbers or bank account ...