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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1answer
22 views

What are the security benefits to block all http referer header requests for web browser?

I would like to know also if you lose site functionality. Is this a security benefit that is beneficial than compromising functionality (if compromising at all)? What I mean by this is one a ...
4
votes
1answer
51 views

How can I see which sites have set the HSTS flag in my browser?

My question is about Firefox and Chrome. Is there a possibility to see which sites have set the HSTS flag in my browser?
1
vote
1answer
61 views

Browser response to SHA1 signed cert

Generated a IIS server certificate using my domain certificate authority (presumed to be an intermediate to the 'secret' root CA) via the Server Certificates -> Create Domain Certificate 'wizard'. ...
0
votes
1answer
36 views

Does WebCrypto also mandate the crypto algorithms be implemented in Javascript?

I am trying to understand what WebCrypto means. From what I understand it is - A Javascript Crypto API spec that all browsers must (hopefully) support. Am I correct? If so are the crypto algorithms ...
0
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2answers
77 views

Finance with the multitude of “Secure Browsers” [closed]

[Thanks for the great answers! But it was put on hold so I've edited my question to be a lot less opinion-based. Based on the answers already given, though, I am getting the sense that booting off a ...
2
votes
2answers
159 views

Chrome status warning on a netbanking secure site connection [duplicate]

I visited my bank's web banking site and clicked on the Green Lock in the address bar of my Google Chrome browser out of curiosity. Under the "Connections" tab Chrome spits out this disturbing ...
1
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0answers
33 views

What are the security implications of enabling a SNI-hole on a web server?

A web server (let's say Apache 2.4) implements SNI. It is configured with a 4096 bit SHA384-signed Wildcard Certificate (*.land.org) with a Subject Alternative Name (land.org). The Certificate ...
0
votes
2answers
40 views

Is browser side encryption realistically secure?

I have a web app I'm hoping to write where a selection of files are zipped and encrypted in the browser before being uploaded to my server. I have a prototype of the system and it's working great. I ...
3
votes
3answers
106 views

Why did I see an insecure browser warning on my page?

Originally I was under the impression that a particular page on a site I visited was showing an insecure content warning in my browsers due to the tags on the page having plan http href attributes. ...
0
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1answer
106 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, ...
0
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4answers
284 views

“Virus Found” Web Browser Pop-up

I use a website that typically creates a new tab with an ad on the first click. Usually, I can close the tab without even looking at it, but recently a more aggressive strain brings up a pop-up (for ...
5
votes
1answer
118 views

Video site requests Adblocker to be shut off, next day I have 3 “weird” bookmarks

I was on a site trying to view a video and the site requested that I turn off my adblocker to view the video. So I did and then the next day I noticed that I had 3 "weird" bookmarks in my bookmark ...
2
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3answers
289 views

GET and POST request vulnerable to CSRF attack?

Are both GET and POST request vulnerable to CSRF? Should we use PUT instead?
4
votes
1answer
97 views

Why did browsers deprecate 1024-bit RSA, but retain SHA-1?

I was reading Mozilla's security blog Phasing out Certificates with 1024-bit RSA Keys. Effectively, some browsers are deprecating 1024-bit RSA for CAs and Subordinate CAs because the certificate must ...
1
vote
1answer
65 views

Give Someone Access to Secure Website? [closed]

I have someone I hired on a Freelancing website working for me - so far he has worked for me for about two weeks and is doing a good job. In order for him to complete his work he will need access to ...
3
votes
3answers
161 views

Can a browser JavaScript console ever be an issue?

I'm sure most of you are familiar with the JavaScript-based game Candy Box. As you probably know, one can cheat this game's candy system by sending commands to the console. For instance, if you ...
29
votes
5answers
2k views

Why do you need to close your browser window after logging out of a website?

I might be wrong, but I believe the request to close the browser window after logging out is common, though it's completely unclear what the risks might be of failing to close a browser window ...
1
vote
6answers
4k views

Malware ad.adsmatte infection

My PC is infected with malware, whenever I open a webpage and click on it a new tab opens on "ad.adsmatte.com". I scanned my PC with Malwarebytes but was unable to resolve the problem. So I ...
1
vote
0answers
92 views

What web browsers support ECC vs DSA vs RSA for SSL/TLS?

We are updating our wildcard certificate and see that we have the option to use both RSA or DSA with Symantec (for free), while Digicert offers 3 options for wildcards ECC, DSA and RSA. Is there a ...
0
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0answers
313 views

Does this list every Chrome extension/addin that may leak privacy?

I am looking for a simple list of all extensions, preference, custom processes, and "flags" that may disclose a user's privacy or other details to a 3rd party. To that end, I discovered: ...
1
vote
1answer
49 views

Does a TLS-connection to a proxy-server encrypt the destination url's?

If I use a browser through a proxy-server over a secure connection (i.e. the proxy is HTTPS) - does that mean that everything is encrypted, or just the page returned from the site? And who does the ...
5
votes
1answer
135 views

How do I securely embed an <img> tag using a user-given URL?

If I hypothetically wanted to allow users to use an avatar from an arbitrary URL like this: <img class="avatar" src="{user input}" /> There are many problems that I can think about: There ...
0
votes
1answer
48 views

configuring burp to use in proxy environment

my university internet connection runs behind proxy.its host name is 192.168.1.103 and port no is 3128.how to configure proxy in burp suite if i should enter above proxy setting in my firefox browser. ...
-1
votes
1answer
94 views

What to do if I suspect a website I visit and link to was compromised via an XSS?

EDIT: The script has been removed and apparently the vulnerability has been patched. My employer links to this resource: http://www.myplan.com/ I recently noticed a JavaScript alert was added into ...
0
votes
1answer
36 views

In What Ways Can X-Foward-For Header Information Be Used In An Attack

By enabling X-Foward-For on our proxy, we would essentially be advertising our internal IP addresses externally. However, we use a private range. Everything goes through NAT. So, the best anyone would ...
2
votes
2answers
101 views

Best practice for caching sensitive data

My server returns private data in the body of an HTTPS response. It's not passwords or credit cards, but it is user-generated text and images, which should not be accessed by others. The data for a ...
0
votes
1answer
35 views

Sharing sensitive information across servers on visits from the same browser

I have this scenario: Webserver domain A. Generates sensitive information when a request from a browser is received but this information is not disclosed to the browser. Webserver domain B. ...
4
votes
3answers
131 views

Same Origin Policy - XHR response

I know that Same Origin Policy (SOP) prevents a page/script from one origin to read response from another origin, but it does not prevents the page/script from making a XMLHttpRequest (XHR) request to ...
3
votes
1answer
60 views

Bing bar without admin rights

I know viruses uses exploits to gain admin rights to install software. My question is here at work, we have people end up with the Bing Bar installed from time to time on their machines. It is listed ...
3
votes
4answers
137 views

Do search engines give searcher's IP address to sites that come up in search? [closed]

Ok so for example, I search "stackexchange" and a bunch of pages come up in the search result - of course most of them from this very site, and many other ones talking about stackexchange. Would this ...
2
votes
0answers
75 views

How to get directly to text versions of Google cached pages [closed]

http://navigators.com/cached.html According to the bottom of that site, it seems the easiest way to view websites without giving them your IP is: "Edit the heck out" of google URLs like this: ...
2
votes
1answer
59 views

Click to play plugins vs. AdBlock?

Reading through articles like Faked Flash-based ads... I'm wondering what is a better way to keep yourself safe from malvertising. Many people suggest setting your browser's plugin settings to "Click ...
2
votes
1answer
65 views

Does visiting cached pages disclose my IP address to site admin? [closed]

I know it discloses my IP to Google, but is my IP also disclosed to the owner of the site of which Google made cached pages that I'm looking at? And how about anything I do within the cached page - ...
2
votes
2answers
113 views

Foolproof way to hide your IP when browsing [closed]

is there a fool proof-ish way to hide your IP from websites you visit? I heard even if you use VPN, there can be 'leaks'? And one step more secure is Anonymizer or Tor? Can they have 'leaks', too? ...
3
votes
2answers
123 views

Payment form from http is secure? [closed]

There are lot of payment gateways (Worldpay, PayPal, ..) offering easy integration, when the plain webpage using URL redirection to the payment page. HTTPS (worldpay,paypal), where the user posts his ...
4
votes
1answer
111 views

What are some useful tags and payloads for HTML injection on CSP-protected sites?

I'm pen-testing a website that fixed most of its XSS vulnerabilities by just adding a Content Security Policy. There are still HTML injections in several places. I've tried to get a ...
0
votes
3answers
12k views

HTTPS icon red and crossed out - Chrome browser

I just would like to ask what actually means when HTTPS icon is red / crossed - out. Is this site is vulnerable to Man in the Middle Attack? Is it safe or not?
2
votes
3answers
749 views

Benefit to disabling TLS1.1 and TLS1.2?

In light of recent developments on SSL issues such as BEAST and POODLE, I decided to configure my browser to only allow TLS1.1 and higher. The trouble is, that I am finding a lot of websites which do ...
-1
votes
1answer
70 views

What are the heuristics for a malicious url? [closed]

I know that there is nothing like a safe website ,any website which is safe today could be hacked and its visitors could be served with latest malware. What I'm curious about is what checks can we ...
24
votes
2answers
3k views

Does browser 'view-source' mode avoid scripting attacks?

Let's say there's a URL www.badjs.com which is untrusted and may contain bad scripts. Intuitively, a view-source navigation to that URL does not execute any scripts so it should be safe. It would at ...
13
votes
2answers
723 views

Why does rfc6797 say “An HSTS Host MUST NOT include the STS header field in HTTP responses over non-secure transport.”

Why does the RFC prohibit the server from sending HSTS to the client over HTTP? I can see that if a HTTP client responds to that unsecure HTTP response it might cause that site to be inaccessible ...
6
votes
3answers
155 views

How to add certificate pinning for a certain domain to my web browser?

There is HPKP (HTTP Public Key Pinning) which servers use to tell the client's web browser which certificates to trust (in the future) for the domain that is being contacted. Google's Chrome and ...
1
vote
1answer
183 views

Does the browser still stores the website you visited Private Browsing [incognito Firefox]?

As they clearly state in their website they mention that What does Private Browsing not save? Visited pages: No pages will be added to the list of sites in the History menu, the Library window's ...
0
votes
1answer
124 views

Is there any security benefit in stripping only `<script>` tags that contain code?

On a client's corporate network something is stripping all <script> elements that contain code, i.e. things like <script type="text/javascript">do_something();</script> will simply ...
-1
votes
1answer
66 views

Custom TLS in Browser [duplicate]

We are developing a JSF web application that has a main requirement of using our own TLS implementation (custom algorithm suites). The clients will connect via a browser. Is there any way (customising ...
0
votes
2answers
252 views

Source code disclosure vulnerability

I am a bit confused about the discussion here about hiding javascript source code. Let's say if I browse to a url like this: http://www.example.com/site/somejs.js and then what I see is something like ...
0
votes
1answer
51 views

Can video feed be used to track location of an IP?

I dont know if it is possible but i read that while a user is viewing video, the location of user can be traced without sharing its knowledge to the user. Even when user has disabled the option to ...
0
votes
3answers
173 views

Restrict website access

I want website (A) to only work if a visitor came by clicking a link from a specific other website (B). Initially I thought of using the document.referrer from website A to check whether website B is ...
2
votes
1answer
386 views

Can someone explain, in simple terms, how the FREAK attack on browsers works?

Is there a reason it only affects browsers on Windows machines and not Mac's or UNIX/LINUX environments? A lot of the wording on this site is particularly complicated and I don't understand fully what ...
1
vote
1answer
273 views

Cross Domain Javascript security [duplicate]

I used a web vulnerability scanner to scan my web site. It indicates several links with "Cross domain Java script source file inclusion." May I know how would an attacker exploit this type of ...