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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13
votes
5answers
11k views

Why is Tor safer than a proxy?

If I use a Tor router to browse the regular internet, my traffic must leave the Tor network through an exit node. Apparently the exit node can see the data originally sent. Is this true? If an ...
15
votes
1answer
449 views

What unique device fingerprinting information can an iOS8 app collect?

As an addition to this question: What unique fingerprinting information can an iOS7 app collect? What remaining device fingerprinting privacy/security vulnerabilities still exist as of iOS 8? Can ...
12
votes
3answers
1k views

Is blurring face secure? [duplicate]

I'm wondering how secure is to blur face in my photos? Is there any way to re-focus, or re-blur blurred object?
7
votes
6answers
55k 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 "...
5
votes
3answers
26k 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 ...
14
votes
5answers
7k views

SSL Inspection and privacy

I know my company is testing something called "SSL Inspection" based on Websense, which is our proxy. I can not provide more detail about this, but does this mean that in principle all my SSL traffic, ...
7
votes
2answers
142 views

How much can I trust the “factory restore/reset” on a(n) (potentially compromised) android?

This question is a simple one: how much can you trust the "factory restore/reset" option on an android device? If the device has possibly been compromised, is it possible the "factory reset" will ...
6
votes
2answers
2k 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 ...
10
votes
8answers
810 views

iPhone Tracking debacle - risks and countermeasures

For those of you who are not familiar with the topic, a quick search will turn up a lot of hits, e.g. see the researcher's report at Got an iPhone or 3G iPad? Apple is recording your moves - O'Reilly ...
4
votes
2answers
1k views

When is an intermediate page needed before directing a user off my primary website? What is the best implementation?

The NSA has a page that intercepts redirections off the primary site. (click "TLS: "Suite B Cipher Suites for TLS," RFC 5430" for an example). I've seen this used in Exchange Outlook Web Access (...
4
votes
2answers
4k views

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

Does Google record search / source IP [/ user] pairs? What if my Search History is off?
1
vote
1answer
883 views

How do I convert a GPG certificate to a CRT certificate that can be imported into Windows Certificate Manager?

I have a GPG certificate from someone used for email -----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG/MacGPG2 v2.0.14 (Darwin) I would like to import that into Windows Certificate Manager So ...
0
votes
3answers
558 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 ...
-1
votes
1answer
608 views

Completely disabling microphone [duplicate]

Maybe not 100% on topic for this site but it seemed like a good place to ask. All laptops are now sold with webcams and microphones and I have use for neither. Taking care of the webcam is easy; ...
-1
votes
4answers
4k views

How to find out if somebody is spying on my private browsing data in the same WiFi network? [closed]

I live in a hostel and eight people including me, are using the same WiFi network. One of my friends is a "computer wizard". I would like to know if he is secretly checking my browsing history and ...
14
votes
3answers
5k views

Surveillance: blocking laptop's microphone from spying on you?

It is a known fact that your laptop camera can be hacked to spy on you. While the most often mentioned remedy is very low tech yet effective, everyone seems to omit the fact that the microphone can be ...
8
votes
5answers
3k views

What do the various browser “private modes” do?

Recently there has been some disagreement as to what "private mode" means when it comes to various browsers. Primarily I am referring to... IE's "InPrivate Browsing" Google Chrome's "Incognito ...
4
votes
3answers
11k views

Why is JavaScript disabled in the Tor Browser Bundle?

Didn't Tor create a local socks proxy? Why doesn't all the Web traffic go over this local socks proxy and why is JavaScript disabled in the Tor Browser bundle? If you would connect with firefox for ...
3
votes
5answers
1k views

How to detect self destructing emails? How to prevent from self destruction?

Recently I came across a gmail extension for Chrome browsers which claims to send self destructive emails. I tested by sending self destructive emails to my email account and it works fine Now my ...
3
votes
5answers
1k views

TrueCrypt dataleaks that might betray the “Deniable File System” option

Reading into "Operation Satyagraha", one would have to believe give all the resources used that the investigators had some reason to believe there was data to decrypt, even though in theory and in ...
2
votes
2answers
3k views

When connecting to internet through VPN what precautions should be taken?

I've read this similar question and it has some very good information. Can a site that has personal information about you be accessed by another site to determine who you are/where you are? For ...
2
votes
3answers
556 views

Is there an anti-proxy detection available?

Sites like Wikipedia and Google (among others) don't let you sign up through a proxy or TOR (at least with Google, you have to provide SMS verification if you sign up through proxy.) Somehow they ...
1
vote
1answer
137 views

What browsing history exactly would police have under proposed UK law change? Plain english

It's very unclear what '12 months' browsing history being kept by network provider' actually means to an uninformed person. Thunderbird? VPN? Startpage searches? Bit-torrent downloads? Epic browser (...
0
votes
1answer
1k views

Defeating Browser Fingerprinting by spoofing the browser user agent and VPN

I don't want any website to identify me and to know what is my geographical location. As far as a website is concerned, I am always a new visitor who never visits it prior. If I leave the website, ...
344
votes
12answers
64k 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 ...
70
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 ...
48
votes
5answers
6k views

How does a country block its citizens from accessing a site?

Following Turkey's recent social site blocks, I am wondering how can you efficiently accomplish that as a country. Similar for a big company. Blocking IPs → easy to circumvent, (proxys, tunnels, etc)...
49
votes
5answers
120k views

Anonymity on Facebook - how do they suggest people I should know?

I want to know how Facebook discovers the people who you know in real life or who know you. I tried the following to see if Facebook can still discover my acquaintances in real life and suggest them ...
8
votes
4answers
32k views

Advanced techniques for detecting a proxy/getting original IP

In what manner can a website detect my original IP address, even though I'm using a proxy server? I've noticed this with a few sites. There are four proxy methods I've used: Firefox with a proxy ...
24
votes
6answers
7k views

How can I prevent tracking by ETAGs?

An ETAG is a HTTP header that is sent-behind-the-scenes between a web browser and an web server. This value is intended to control how long a particular file is cached on the client side. There is ...
23
votes
4answers
6k views

How can I encrypt a file using gpg without including the recipient's key ID?

An OpenPGP encrypted file will include the key ID of the intended recipient's public encryption key, as explained in this question. Is there any way to remove that information from the resulting ...
22
votes
2answers
4k views

How is Skype showing ads from my Google search history?

I can understand when I see the same ads across websites, and ads similar to my search history. Some tracking magic through cookies - fine. But Skype has been showing me ads for exact terms I ...
29
votes
12answers
4k views

Is there a secure way to transfer data outside the Internet?

Since, recently, it has been proven that transferring data through the usb port is fundamentally flawed, I'm wondering if there are 100% secure ways to transfer data without using the Internet. ...
23
votes
1answer
2k views

What are the privacy and security implications of Windows Telemetry

There have been quite a few news stories relating to the use of "Telemetry" in Windows 10 (and also now Windows 7/8) with suggestions that users would want to disable or remove these updates due to ...
4
votes
3answers
847 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 ...
3
votes
2answers
5k views

Using Cain and Abel to capture traffic of machine in the same network

I have installed Cain and Able in machine A, which is connected to another machine B via a LAN. Now I want to analyze all the traffic of machine B. Is this possible by installing Cain and Abel on ...
12
votes
5answers
728 views

What steps should one take to provide “reasonable” levels of privacy from a government?

I'm highly uncomfortable with the recent news surrounding government snooping in the UK. If we define a typical user to mean somebody who: Browses web sites such as BBC News and Stack Overflow Uses ...
9
votes
1answer
954 views

Can BitTorrent clients be fingerprinted?

As https://panopticlick.eff.org/ demonstrates, web browsers are very prone to fingerprinting, both active and passive (often you can fingerprint a web browser by simply monitoring the wire). My ...
9
votes
1answer
613 views

How can meta data be used to identify users through chained VPNs?

Online privacy is a big issue for many people nowadays. Using VPNs is the usual suggestion as a means to stay anonymous. More often than not, somebody comes up with the point "just chain multiple VPNs ...
6
votes
3answers
4k 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 ...
14
votes
8answers
46k views

Is it possible to Identify a VPN user by finding relations in traffic?

If I am using VPN service to protect my identity, can my traffic be used to identify all my traffic? For example, if I am accessing two services: Some service A, where I do not leave any ...
11
votes
4answers
3k views

Does HTTPS encryption on a site prevent the NSA from knowing you visited its domain / the URL?

The reason I ask whether HTTPS protects the metadata of your Internet activity from a wiretapping entity on the backbone like the NSA or not, is the following scenario: Say I am browsing the ...
9
votes
6answers
4k views

Whats the probability of a personal computer being hacked?

For a normal computer user following these practices: Have an up to date anti-virus with a firewall installed (Norton). Do not install cracked software. Do not open suspicious links or download ...
5
votes
6answers
4k 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 ...
4
votes
2answers
3k views

Does Java applets reveal the real IP address, even when using proxy or vpn?

Can a Java applet reveal the original client IP address, when browsing through a proxy or a VPN? Why?
4
votes
7answers
957 views

How to completely remove all traces of a file in Windows 7?

I'm curious to know how to completely erase all possible traces of files in Windows 7. For example, let's say I have a subfolder containing five different files at work deemed sensitive (A document, ...
3
votes
2answers
1k views

How to make database of IP addresses anonymous?

I have to perform ip address connection stats anonymously because the data posses security risk, so how do I do it? Is it just like this, that the ip numbers and networks are replaced by random codes,...
2
votes
6answers
12k 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 ...
34
votes
2answers
4k views

In CitizenFour, what was Edward Snowden mitigating with a head blanket?

A scene in the documentary CitizenFour showed Snowden using a blanket to cover his head and the laptop screen. When asked by Greenwald about this, he answered affirmatively, but I couldn't really ...
12
votes
2answers
16k views

What is the difference between ATA Secure Erase and Security Erase? How can I ensure they worked?

I'd like to wipe a stack of drives (spinning and SSD) securely. I'm familiar with the ATA Secure Erase (SE) command via hdparm, but I'm not sure if I should use the Security Erase (SE+) command ...