A web service is application that provides a standard means of interoperating between different software applications, running on a variety of platforms and/or frameworks - typically using HTTP or HTTPS as a transport layer for object and request models (SOAP, REST, JSON, etc). The output isn't ...

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574 views

How can a SAML Relying Party redirect to one of two IDPs?

We need to support the following Authentication flows User 1 logs into Salesforce using Salesforce Credentials User 2 logs into Salesforce using Arcot +Ping + Siteminder credentials User 2 logs into ...
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4answers
4k views

HMAC/PBKDF2 vs Simple hashing algorithm for web service authentication?

We are in the process of creating a web service and have been investigating ways of securing it. In reality, the service is likely to get very little traffic and the data is likely to be of little use ...
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1answer
286 views

Securing communication

The problem: I have an open-source client (a Firefox add-on written in JavaScript) and a server containing somewhat sensible user information: username and user history (all from YouTube). The client ...
2
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2answers
890 views

How do I find .asmx files?

I have a web service (ASP.NET) running on my application server. It can be reached via http://xxxxxx/Servercomponents/servercomp.asmx Is possible to find this even if you don't know the file name ...
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1answer
2k views

How to implement WSS UsernameToken when password on the server is salted and hashed?

I'm currently trying to write a web service for customer and requirement is to use WS Security. On their server side, they have passwords stored as SHA-1(salt+password). According to WSS spec, ...
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2answers
1k views

Securely expose WebService from Enterprise Network to Internet Client

(coming from stackoverflow) Are there any standards (or certified solutions) to expose a (Web-)Service to the internet from a very security-sensitive network (e.g. Banking/Finance)? I am not ...
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2answers
2k views

Microsoft ASMX Web Services Test form available on remote machines

I have been doing some research about Web Services security. I noticed that some sites are using Ajax and JQuery to consume ASMX WebServices. I navigated to the Web Service EndPoint and I realized ...
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2answers
166 views

Would a large prime service be useful?

The target users would be portable/embedded devices or resource limited code (i.e. javascript). The idea being that the devices could poll the service for validated primes and use them for encryption ...
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3answers
312 views

Identifying and preventing execution of “any” function via Late-Bound commands

The Command Pattern is widely used to create a robust, salable applications. However I see guidance in this MSDN article that could allow a caller to invoke a late-bound command... enabling the ...
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1answer
246 views

Does an exposed XMLRPC API in a web application pose a threat?

I'm given the assignment of testing one of our web-servers in regards to security. One of the servers run IIS 7 and its application relies extensively on XMLRPC calls. I found the API for those calls ...
4
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1answer
183 views

Services Like McAfee Secure

What do monitoring services like Mcafee Secure actually provide? It's about $1000 per year and I'm trying to judge what they actually do, as their benefits and technology pages might as well be the ...
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3answers
2k views

Any flaws in this security model for a REST web service?

I have designed a REST web service which requires authentication. It handles authentication in a manner similar to Amazon Web Services, namely: the user has an ACCESS_KEY (say, 'abcd') and a ...
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2answers
783 views

Web service that converts HTTP GET to POST? [closed]

Is there some online forwarding service that I can give HTTP GET parameters to, and it would create a form with the parameters and submit it as POST? For example, I'd like to give someone the URL: ...
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1answer
142 views

WebServices Security [closed]

Do we have any good resources on WebServices Security? Any book, pdfs, articles and even the detail answers regarding the securing web services would be appreciated.
4
votes
3answers
1k views

Paypal IPN, SSL and man-in-the-middle attacks

Okay, suppose I have been implementing paypal IPN, and my server will respond by verifying with "https://www.paypal.com/cgi-bin/webscr" and got the VERIFIED message back. First, if my server connects ...
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2answers
1k views

List of web session attacks and counter measures

I'm writing a new website in PHP and I will be using cookies to track user session data. Before I finalize the design, I want to make sure that the site is not vulnerable to attacks. I have written a ...
4
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4answers
883 views

Ensuring a web-service only processes requests from specific computers

I'm in the process of designing a system that consists a client application and a single web-service. The client is distributed on several machines (installed by me or a colleague), and the ...
7
votes
4answers
694 views

What abuses can an infected webpage do to me if I'm using Chrome and Flash is disabled

as a follow-up to this question Can you get virus just by visiting a website in chrome., I've read these pages: http://www.straightsectalk.com/?p=47 http://www.vupen.com/demos/VUPEN_Pwning_Chrome....
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1answer
4k views

REST specific security weaknesses

I need to start working with RESTfull Web Services. SOAP based web services have already so many standards to secure communication, establish trust etc. I am not aware of any for REST. What I would ...