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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22
votes
6answers
75k views

If someone hacks my wi-fi connnection, what can they see and how?

I have two questions on wifi security: If someone knows my wifi password (be it WEP or WPA) what can they see on my screen? Do they just see URLs I visit, or can they see everything in my ...
24
votes
6answers
4k views

How to be completely anonymous online?

I recently saw this post on reddit: http://www.slashgeek.net/2012/06/15/how-to-be-completely-anonymous-online/ But the majority argument, both on reddit and on comments on that post seems to be that ...
15
votes
5answers
2k views

Different strategies for online anonymity and their +/-s?

I saw this question about anonymous web browser, but I wanted to go a little bit more in depth. I prefer answers that take into account how a connection would be traced back, time it would take to ...
16
votes
6answers
2k views

Anonymous web browser. Is it real?

Do anonymous browsers work? What principles do they use? Can I use them to test access to my web site? Can I detect if a visitor is using one? What is the different between traditional and anonymous ...
30
votes
7answers
2k views

Is there a difference between GET and POST for web application security?

I have 2 choices in sending data between 2 web applications. I encode the data in Base64 and append to the URL and retrieve these parameters at my destination application and decode the parameters. ...
15
votes
5answers
10k views

What are the pros and cons of a VPN for privacy

Recently I have been getting more and more interested in the security (privacy and anonymity) issues of my online life. Not that I have anything to hide, or that what I do online is so interesting to ...
19
votes
2answers
1k views

Are URLs viewed during HTTPS transactions to one or more websites from a single IP distinguishable?

For example, say the following are HTTPS URLs to two websites by one IP over 5 mins: "A.com/1", "A.com/2", "A.com/3", "B.com/1", "B.com/2". Would monitoring of packets reveal: nothing, reveal only ...
28
votes
20answers
3k views

How can I prevent my kids from bypassing my computer restrictions?

My son has a downloaded copy of Ubuntu that he uses to "break" into my computer, bypassing Vista. I have two questions: Can this damage my computer or corrupt my files? (I have lots of pictures) Is ...
137
votes
7answers
25k views

What are the implications of NSA surveillance on the average internet user?

It would appear as though the tinfoil hat-wearing were vindicated today, as news broke of the true scale of the U.S. government's surveillance of its citizens' online activities, conducted primarily ...
110
votes
9answers
12k views

Is Google spying on all of us?

I am curious because, I experienced something bizarre recently. About a month ago, someone asked me to find out a price for a T-shirt printing machine, and probably for the first time, I pressed these ...
25
votes
3answers
2k views

What is an SSL certificate intended to prove, and how does it do it?

If I get an SSL certificate from a well-known provider, what does that prove about my site and how? Here's what I know: Assume Alice and Bob both have public and private keys If Alice encrypts ...
8
votes
11answers
3k views

Besides IP addresses, how else could one be identified? [closed]

OP: I'm curious how else an actor seeking to identify someone online could accomplish this task besides just using an IP address. What methods would they employ? What knowledge must they have of the ...
84
votes
2answers
49k views

What is the difference between https://google.com and https://encrypted.google.com?

Is it there any difference between the encrypted Google search (at https://encrypted.google.com) and the ordinary HTTPS Google search (at https://google.com)? In terms of security what were the ...
46
votes
8answers
5k views

Online backup : how could encryption and de-duplication be compatible?

A "soon to enter beta" online backup service, Bitcasa, claims to have both de-duplication (you don't backup something already in the cloud) and client side encryption. ...
34
votes
7answers
2k views

Why does one need a high level of privacy/anonymity for legal activities?

This question is sort-of spun off of a previous one. How to counter the statement: "You don't need (strong) security if you're not doing anything illegal"? There are a lot of great ...
16
votes
2answers
1k views

Essential things to think about before outsourcing authentication with OpenID, OAuth, or SAML

It's clear there there is no consistent set of features among any of the popular authentication providers. Below is an attempt to aggregate the similarities and differences I've noticed, but I ...
48
votes
6answers
13k views

Can my IT department read my Google Hangouts chats while at work?

Is Google hangouts encrypted? Would my work's IT guys be able see pictures and text I send while on a work computer? Yes I know I shouldn't be sending stuff I don't want them to see while at work, but ...
17
votes
2answers
578 views

How to handle security issues of someone else's website

A few weeks ago I found that someone has posted admin account details for a certain website on a public wiki by mistake. As I found that data to be real (i.e. I could log into their website run by ...
13
votes
11answers
7k views

I'm leaving my job and want to erase as many personal details etc. as possible; any tips?

Obviously this is very open-ended. But, I'm just paranoid about people going through everything on my laptop after I leave my job. Here are the things I'm planning to do: Completely wipe all browser ...
1
vote
3answers
2k views

How can I use a VPN to protect my privacy

How should I configure a VPN in order to access blocked websites and to hide my identity? Usually I use SSH tunneling to protect my privacy and to escape censorship. I know nothing else about VPNs ...
10
votes
2answers
1k views

How might the U.K. Government's proposed internet surveillance equipment “bypass” encryption?

http://www.channel4.com/news/black-boxes-to-monitor-all-internet-and-phone-data http://rt.com/news/uk-privacy-internet-freedom-186/ 'Black boxes' will be installed by internet services providers ...
6
votes
3answers
700 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 ...
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 ...
3
votes
5answers
486 views

Can teleworking let my boss to sniff my network traffic? What else could he do?

My boss proposed me to code from home on the their machines via internet, in two possible ways: I would connect to their computer and work on their machine, as if I was in front of the computer(from ...
281
votes
12answers
48k 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 ...
83
votes
8answers
7k views

How can I protect my internet-connected devices from discovery by Shodan?

There's been a lot of buzz around this recent CNN article about Shodan, a search engine that can find and allow access to unsecured internet-connected devices. Shodan runs 24/7 and collects ...
69
votes
8answers
14k views

Why would someone trust DuckDuckGo or other providers with a similar privacy policy?

DuckDuckGo is a search engine that claims it will not share your results with others. Many of my skeptical coworkers think it may be a scam. Is there any proof that any web search engine will ...
54
votes
12answers
20k views

Can I prevent my neighbors, whom I pay for shared internet (wifi), from seeing the sites I've visited?

I pay my neighbors to use their wifi. They have listed me as "guest" with a separate password from theirs. Is there any way to prevent them from seeing the sites I've visited? My browser history ...
23
votes
7answers
28k views

How can you be caught using Private VPN when there's no logs about who you are?

I know there are 2 services of VPN (free and paid). Normally, free VPNs need money from somewhere and sometimes they can sell your information to any agency that needs it. Now, if we are talking about ...
12
votes
5answers
1k views

Securing a laptop against attacks (article)

I came across this article when looking for ways of hardening my laptop, and this guide seemed extremely thorough. It is perhaps overly paranoid, but it will be good to have a guide I can trust should ...
19
votes
6answers
9k views

Is Facebook allowed to sell/give your information away to anyone willing to buy it?

Is Facebook allowed to sell information about their users to other companies? For example selling name, address and IP information on a specific geographic location could be very valuable ...
6
votes
4answers
26k views

Can an employer access Whatsapp messages if you are using their servers?

Does anyone know if an employer can access whatsapp messages if you are using their servers? Whatsapp apparently say the messages are encrypted, but I'm not sure about this.
8
votes
5answers
5k views

Is a Tor router really safer than a proxy?

If I use a Tor router to browse the regular internet that it has to leave the Tor network through an exit node. Apparently the exit node has all the information from the original user it came from on ...
4
votes
5answers
7k 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 ...
10
votes
3answers
625 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 ...
10
votes
4answers
3k 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, ...
10
votes
8answers
613 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 ...
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 ...
4
votes
1answer
304 views

Can SIP registrars and VOIP providers eavesdrop?

An e-mail provider provides people with usernames for e-mail accounts. That normally means that they have access to your e-mail if it is unencrypted. Likewise, do sip registrars have access to ...
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?
3
votes
2answers
501 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 ...
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
3answers
414 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 ...
2
votes
2answers
451 views

How to prevent private data being disclosed outside of Organization

I'm not looking to secure my internal network Our company keeps sensitive customer information. How can I prevent this information spreading outside of the company ? How do big companies prevent to ...
0
votes
3answers
423 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 ...
58
votes
10answers
8k views

Where do you store your personal private GPG key?

So, I want to start using pass, but I need a GPG key for this. This application will store all of my passwords, which means it's very important that I don't lose my private key, once generated. Hard ...
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 ...
36
votes
2answers
7k 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 ...
39
votes
8answers
5k views

What are some considerations before moving personal data to Google Drive?

I am considering uploading some (all) of my digital personal data to Google Drive. I guess this would instantly grant access for NSA to my data. (Is that right?) Who would have access to my data on ...
33
votes
6answers
5k views

Are random URLs a safe way to protect profile photos?

I would like to move from sequential to random user-ids so I can host profile photos publicly. i.e. example.com/profilepics/asdf-1234-zxcv-7890.jpg How long must user-ids be to keep anyone from ...