A web browser is an application which uses http and related protocols to retrieve HTML and XML data from servers. As the web has become a critical source of information and communication, web browsers have become a critical component in information request, transfer, and management.

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Preventing tracking in browsers by setting HOME directory

Following worked on Ubuntu 12.04 using chromium and firefox browsers. I ran following command on terminal for both firefox and chromium browser HOME=/tmp/tmpdir firefox Both browsers promptly ...
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50 views

Browser - what gets saved to the disk

We run scraping jobs on behalf of users. We use webkit-gtk as browser to do the scraping. Each job is executed as a separate process So as not to mix user data we have isolated following data per ...
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115 views

How to post comments on websites without being traced back

Just trying to get some general sense about the security on internet now-a-days. There are so many websites I go and comment on different things. If some comments are political and they don't like, I ...
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2answers
114 views

Want to build a password manager using OpenPGP.js

I'm kind of tired of the password managers that are available around... I need one that's open source, that works on OSX, that lets me store .pem files and that I can trust. As I haven't found one, I ...
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72 views

Is it safe to call an untrusted service with jquery.ajax and dataType 'jsonp'

From what I understand, the JSON-P technique generates a script tag into the DOM of an HTML page to get across the single-origin restrictions imposed on the XMLHttpRequest JavaScript API for AJAX ...
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1answer
40 views

What are the webmalware effects on Windows XP?

I am redirecting URLs to a virtual machine (Windows operating system) to check if there is malware on the website i want to visit (JavaScript attacks, drive-by download attacks, infected pictures/PDF ...
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1answer
182 views

How is YouTube able to identify anonymous users?

A few days ago I was searching YouTube and I noticed an "outlier" video poped up in the suggestions list. This video had nothing to do with the topic being searched, but instead it was based on a ...
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2answers
138 views

How much I can depend on TOR to protect my identity, especially from outlook.com

guys I am using Tor browser from some time, few weeks maybe and I am still trying to determine the level of anonymity that the browser gives. I am using the browser to advertise a service that I am ...
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116 views

Why do sandboxing environments not rely on antivirus programs?

Since years ago, miscreants use JavaScript to craft web malware attacks such as drive-by download attack that is used for example to install the famous CoolWebSearch virus. There are static methods ...
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106 views

How browser detects Phishing Pages?

I want to know how browsers detect phishing pages.And also what methodology browsers use to detect phishing pages?
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89 views

Google Chrome Crash Report Analysis

I am new to the field of crash analysis. I recently, by accident, happened to crash Google Chrome. I do not know the reason as to why the crash really happened. I'd like to know it in depth though. ...
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2answers
108 views

Creating an application in which all user content is encrypted

Does any one have references or sources on how to approach developing a web application in which the content is encrypted and unreadable for the developers or company owners; I'm referring to content ...
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66 views

Is installing malicious add-ons via drive-by attacks the only way to add new toolbars to browsers?

Some attacks on web browsers consist in installing new toolbars on the browser of the user (which is just a small aspect of browser-hijacking. My question: is installing (malicious) add-ons (via ...
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96 views

How can a browser hijacking attack change the browser's default homepage?

Some attacks on web browsers consist simply of advertising, so the default homepage of the browser is changed (which is just a small aspect of browser-hijacking). My question: is installing ...
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49 views

Is it Possible for a Java Applet to Record Cursor Movements Inside the Applet? [closed]

I am using my mouse to interact with a Java applet in a browser. Clearly the party that owns the Java applet can record where I click inside the applet. What I'm wondering about now is whether it is ...
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0answers
73 views

Is opportunistic encryption support optional for HTTP/2?

I'm a little unclear on the subject of opportunistic encryption of the HTTP:// address scheme in HTTP/2. According to the bug report, it looks like it's kinda optional, and an afterthought: ...
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2answers
252 views

Learning XSS: Why is my javascript ignored?

<a href='mailto:</a><script>/*'></a><script>/*</a>: <br> <hr> <a href='mailto:*/location.href=/*'>*/location.href=/*</a>: <br> ...
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89 views

Accessing Chrome and Gmail on a stolen drive

I was trying to search for this, but could not find the answer anywhere - apology in advance if already answered. I have a Linux desktop installed on a thumb drive, which I keep in my pocket. This ...
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87 views

Understanding Same origin policy

I am trying to understand same origin policy better. From what I understand same origin policy restricts code from one "origin" not access data from another "origin". What I am trying to understand is ...
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3answers
621 views

How to sandbox Iceweasel (Firefox) on Debian? [closed]

Are there any tools for sandboxing Iceweasel (Firefox) on Debian systems? I'm mostly interested in tools distributed by Debian. (An equally trustworthy source would be second best.) (I suppose that ...
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1answer
75 views

Security of starbucks gift card redemption feature

Someone sent me a Starbucks gift card. The email contained a redemption link, and that redemption link ended in a long secure hash, much like those on github secret gists. Clicking the redemption ...
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1answer
140 views

Where do browsers store HTTP Authentication details

Where do browsers store HTTP Authentication credentials ? If I gain access to a browser, is there some place I can look where all HTTP Authentication details would be available? In most browsers, even ...
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1answer
147 views

How to harden a “dedicated” Firefox?

I want to set up an instance of Firefox to be used to access a strictly limited "white list" of websites (my bank's, my credit cards', etc.). How can I harden such an instance of Firefox to reduce ...
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2answers
277 views

Exactly how secure is VM browsing?

I generally do all of my web browsing in a VM. I have one "safe" VM running Ubuntu that has guest services installed. I generally only go to sites I deem are trustworthy here. I also have an "unsafe" ...
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3answers
140 views

When downloading from an https web page - will the download also use ssl?

If I click on a download link on a page that uses ssl, will the download also use ssl? If the answer is not (or: sometimes yes, sometimes not) - is there any way I can force it to be protected? I'm ...
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2answers
4k views

How can a webpage get the MAC address?

I was logged on to my router and filling out some information. I clicked a button and a field was automatically filled in with my computer's MAC address. How is this possible? Does it present a ...
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1answer
425 views

Can HSTS be defeated?

As I know HSTS is mainly implemented to mitigate famous sslstrip attack in which browser is forced to use ssl when connecting to particular site. And I think it also prevents user to proceed to site ...
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281 views

How to recognize if someone using password Reminder Script [closed]

I have been trying to know what these so called Gmail hacking scripts actually does (just studying for some knowledge purpose) and one of such scripts is this, which seems beyond my knowledge: ...
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1answer
47 views

are webmalware able to hijack browsers?

Are webmalwares capbale of performing browser hijacking attacks ? Has there been any famous webmalware that functioned this way ?
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2answers
113 views

How can Facebook use history data in browser

Web is filled up with the recent decision by Facebook to track user browsing history like adage.com andNYTimes. How can a web application use browsing history which is local to that browser? Is it ...
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60 views

It would be possible to filter user input browser side to prevent injection?

I've been studying common injection problems and examples and I've been wondering whether it would be possible to embed some filtering mechanism to prevent injection client side. For example checking ...
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1answer
89 views

Certificate pinning in a browser

I am trying to understand certificate pinning. Google started adding a whitelist of CA certs that they use for their certificates and if a cert for a google service is issued outside of this list ...
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1answer
92 views

Why has Convergence stalled out? [closed]

Convergence is a well-thought out system to replace certificate authorities built by Marlin Moxiespike back in 2011. Since it's debut, it seems to have largely stalled out, with no additional major ...
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1answer
86 views

Weird URLs in Fiddler

I was browsing the web and suddenly I started seeing "Waiting for available sockets" error in Chrome with the page showing "Network Unavailable". I thought that was weird so I opened up Fiddler and ...
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2answers
69 views

Can a drive-by download attack crash the OS?

Are there cases where a serious drive-by download attack could crash the operating system or the browser ?
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193 views

Force download files protected with auth headers

By several REST clients the credentials are sent with every request through custom HTTP authorization headers to the REST service. Is there a way to force file download in the browser when accessing ...
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2answers
1k views

Which browsers are using openssl

It is asked in stackoverflow, but I suppose maybe it is more suitable to ask here. It is said that openssl are widely used, however, as far as I know, the most popular browsers seem not use openssl, ...
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157 views

Can a website download malicious content to my Windows computer without my permission or awarness? [duplicate]

Question Standard security advice is: Only download files from websites that you trust. http://windows.microsoft.com/en-ca/windows/downloading-files-internet-faq This implies that 1. we are ...
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72 views

Why are certain languages chosen for security application development over others?

Specifically, why are the most popular attack proxies written in java? Is there any particular security posture to the design of the java language that makes writing tools like these simpler? Easier ...
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1answer
65 views

Are there other ways for a CA to have their certificates included in a browser?

From what I understand, the certificate authorities (CAs) have to get their root certificate included in the browser. What if the root certificate of a particular CA is not included in the web ...
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1answer
376 views

How to handle private key encryption/decryption for web application

In the process of designing a web app that handles public/private key pairs - a Bitcoin web app, specifically - I've had a lot of thought on how to securely handle the storage of the private key, ...
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100 views

Are web browser able to use camera without permission? [duplicate]

Is it possible to be recorded via our camera/micro via web browser without asking our permission ?
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110 views

Access-Control-Allow-Origin possible threats on static JS file

As I am working on a research, I need allow users to read my JavaScript file using Ajax. However, I want to make sure about consequences of adding Access-Control-Allow-Origin header for just this ...
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4answers
745 views

Suggestions to avoid cookie-hijacking in a web application

I've been developing web-apps for quite some time now. While making websites, the "remember me" feature is one of the most trivial(read as must-have-for-clients) feature to be implemented. Until ...
2
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2answers
130 views

On an “uncritical” site, is there any reason to NOT trust a self-signed certificate?

There are many sites that have self-signed ("untrusted" in Firefox) certificates. I then have the option to trust them or not. If I not trust them I can either leave the site or only visit the site ...
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1answer
65 views

Corporate IT support for client-side cross domain requests

I have an API and a web application that exist in different domains. I can activate CORS on the API to allow for the web application to interface with the API cross-domain. However it has been ...
3
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1answer
141 views

XSS via PDF when Content-Disposition: Inline?

There are kind of two questions here: Is it possible to have XSS in a PDF file when the Content-Disposition: is "inline"? If it is possible, does the pdf get access to the cookies for that domain ...
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1answer
141 views

Vulnerability in Internet Explorer [closed]

An attacker could host a specially crafted website that is designed to exploit this vulnerability through Internet Explorer and then convince a user to view the website. This here being remote code ...
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1answer
206 views

Can I use crypto.getRandomValues to create a private key?

In the window.crypto spec: http://www.w3.org/TR/WebCryptoAPI/#RandomSource-interface It says explicitly: "Do not generate keys using the getRandomValues method. Use the generateKey method ...
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255 views

Zero-Day Exploit targeting Internet Explorer Versions 9 through 11

Few days ago, FireEye has found a vulnerability, which affects all versions of IE (even the latest 11). Microsoft has official statement regarding this issue. FireEye wrote a technical article on ...