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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2
votes
1answer
3k 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. ...
74
votes
6answers
11k views

Is it dangerous to post my MAC address publicly?

When posting questions, it is often quite useful to include debug output. However, it sometimes include the MAC address of my laptop, router, or both. What are the possible dangers of releasing these ...
1
vote
2answers
89 views

Real-world applications of Differential Privacy?

Differentially private techniques guarantee privacy while often permitting accurate answers ...this is something I have been reading up on lately as a means of preserving user ...
2
votes
1answer
89 views

Global user override - Uncomfortable

We have recently started a project with a service provider who is a little old fashioned in their ways. They provide a product but don't market it particularly well, so we (as users of the product) ...
2
votes
1answer
43 views

Could see image of previous session after restarting and switching OS

(I have GNU/Linux and Microsoft Windows installed.) I played a game on Microsoft Windows, quit the game, restarted the PC, and selected GNU/Linux. On the login screen, the background image was ...
2
votes
3answers
126 views

Is it ever safe to publish hashed data?

I'm having a friendly debate with someone who thinks that a website can safely make public sensitive data about it's users as long as that data is hashed (don't ask why, it's a long and hypothetical ...
1
vote
1answer
136 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 ...
0
votes
1answer
358 views

Download Torrents on University network without detection [closed]

I am wanting to download some things using Bittorrent, but I have heard that they can detect when someone is downloading torrents. How can they detect this? And are there any precautions I can do to ...
0
votes
1answer
326 views

What is the risk of installing Facebook Video Calling jar file?

I'm trying to talk with somebody on Facebook, but after many Facebook privacy scandals, it's a big question. Secondly on OSX, it's giving me the error that “FacebookVideoCalling_v1.6.jar” can’t be ...
41
votes
5answers
25k 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 ...
2
votes
3answers
214 views

OpenPGP Master Key Size

Currently the default maximum key size is 4096. I know this can be changed by recompiling the software, and I don't mind doing that. My problem is about compatibility issues. It makes sense that some ...
-2
votes
1answer
97 views

Stopping nosey people on Facebook [closed]

I thought I would ask this question here as it as to do with security. There are a few people on my Facebook that are close to me in real life. I don't mind it in real life (considering my real life ...
0
votes
2answers
166 views

Is it safe to use preyproject?

prey project tracks mobile devices and helps to find stolen devices. Is it safe from privacy perspective? How can I know that it doesn't spy on me?
25
votes
2answers
4k views

How to fight browser fingerprinting?

https://panopticlick.eff.org/ , aka "How unique and trackable is your browser". For example it usually gives me a unique score. The biggest entropy values come from navigator.plugins and fonts via ...
1
vote
2answers
139 views

Can my University see what Stack exchange account I am logged into?

I have to log into an account to use the university internet, so I imagine they can see all the sites I view, but can they see what account I am logged into, and can I do anything to hide this?
2
votes
1answer
69 views

Detect air signals

Is it at all possible to detect all air type signals for a given location? For example, if I wanted to get a list of all air signals (i.e. wifi, bluetooth, radio, 3g, 4g, and all other air type ...
1
vote
1answer
55 views

Email address book stolen

The way I have set up my email system allows me to put the name of a company (that say I am buying a book from) in front of the @ and my domain name.net after it. So, when I get an email from ...
24
votes
6answers
87k 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 ...
5
votes
1answer
220 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 ...
3
votes
2answers
214 views

Does a VPN hide what URLs I visit?

It's clear that someone listening on a network could still find out what website I visit over HTTPS (as discussed here) but what about when surfing in a VPN? What exactly can the underlying network ...
4
votes
2answers
5k views

WiFi security from another authorized user (roommate)

I believe we use WPA or WPA2 encryption. To what extent can another user monitor my traffic? Monitor my desktop activity? View documents I've saved on my computer? Tell what sites i visit? Tell ...
49
votes
6answers
16k 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 ...
7
votes
1answer
7k views

Is there a sms authentication that works like 10minutemail? [closed]

I remember reading on this site a user recommending 10minutemail.com as a way to register or give email address to non-trusted websites. Is there any similar site for disposable phone number for ...
2
votes
2answers
399 views

What was the security vulnerability behind Box and Dropbox and what's different now?

Earlier today I received a number of comments saying that my shared links were disabled. I looked around and saw a number of articles explaining what happened, and Dropbox posted an official statement ...
0
votes
2answers
85 views

Can I find out if my employer is snooping on me? [duplicate]

I work at a large university and have a computer supplied by my employer. I would like to find out whether my employer is snooping or can snoop on my files or activity on my computer. Can I find that ...
2
votes
2answers
226 views

How vulnerable am I on a unencrypted public WiFi network? [duplicate]

I am enrolling myself into a college. College provides a Public WiFi Access Point, to access internet through its network, which is unencrypted (No password). As being a programmer for last one and a ...
1
vote
2answers
9k views

Browsec - VPN and anonymizer

According to Browsec's website this application can be used to Bypass firewalls. So in countries like Iran it seems a useful tool to bypass censorship and filtering. For start using this application ...
13
votes
5answers
2k 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 ...
1
vote
1answer
36 views

Location Obfusication and Email/remote login

Would it be possible for a user of a 3rd party VNC software package and email client to obfusicate/spoof their location, so that an employer would be unable to determine the location from which the ...
0
votes
1answer
47 views

How to maintain validity of user credentials?

In an example scenario consider that; I am a customer of organisation and I have two separate accounts with two different departments X and Y. I can login in to each department's website by using ...
0
votes
2answers
102 views

Is it bad if one uses the same email address on different sites/forums?

Is it bad practice if one uses the same email address on different sites and forums?
0
votes
4answers
599 views

How can i protect myself from tor vulnerability on windows

Recently I came across an article regarding Tor. According to article there is speculation that the uncovered malware was used by a law enforcement agency to harvest the IP addresses of users ...
2
votes
2answers
131 views

How do you find out if a phone is secretly sending private data to a remote server?

I read a recent article on a Chinese phone manufacturer on Wall Street Journal that says: The rumors had begun when a user posted online in mid-July that his RedMi Note smartphone was ...
2
votes
3answers
434 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 ...
9
votes
4answers
55 views

Fingerprinting the webpage content

I'm moderating a closed section of a forum - think 'covered by NDA' (not actually, but it's a good equivalent of the situation), with restricted access. Sometimes we find screenshots from that forum ...
39
votes
8answers
6k 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 ...
2
votes
1answer
197 views

Youtube & Google Services that ID you based on stuff on your computer - what is the risk?

If I'm on a VPN and accessing sites like Youtube or other's using Google services, am I still at risk for being located geographically via scripts in content I am viewing? Like I think some scripts ...
282
votes
12answers
49k 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 ...
4
votes
2answers
211 views

What is the ideal anonymous workstation setup? [closed]

My goal is to build a perfect stationary workstation from which I can work anonymously. Most instructions on being anonymous usually involve, at some point, moving around and switching from coffee ...
6
votes
4answers
297 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
177 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 ...
5
votes
4answers
1k 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 ...
4
votes
2answers
1k 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 ...
1
vote
1answer
73 views

What Does Putting Each Subscriber of ISP in One Subnet of His Own Mean?

I've noticed that I used to be assigned an external IPv4 from my ISP and a 24 bit mask (255.255.255.0), then it changed to 255.255.255.255, today I was studying IPv4 subnetting and I understand that ...
0
votes
3answers
924 views

VPS Privacy: OpenVZ vs KVM vs Xen

Considering OpenVZ, KVM and Xen: Which VM technology is the most difficult for the host's administrators to access given an encrypted root partition? Can I have a reasonable expectation that rogue ...
4
votes
5answers
228 views

Secure file sharing, instead of attaching files to emails?

Allow me to give some background information, so you may understand my situation better. We have been prone to sending emails to unintended recipients, many of which contained confidential data. ...
6
votes
5answers
6k views

What is the most secure way for two people to communicate?

There are various services on the internet that offer secure communications. Typically in the past if I want to share some sensitive information with someone, I will do so over a Cryptocat chat ...
1
vote
1answer
147 views

Virtual Desktop & Virtual Machine

What is the difference between virtual machine and virtual desktop? KOMODO Internet Security, for example, offers virtual desktop, and there's a stealth program there. If software sends the same ...
2
votes
3answers
187 views

How does Network Discovery OFF protect my computer?

Yes, it seems that the computer will not respond to pinging. But any computer with a packet sniffer will be able to see my ip once I send any packet to the router. So basically, if I'm surfing the ...