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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3
votes
3answers
204 views

Monitoring for security threats

I host and maintain several websites. The users pay to have their sites maintained and secured. However, with the amount of web applications like joolma, wordpress, ect... and their plugins, I need a ...
3
votes
1answer
259 views

Payment security on Android App

I am developing an application from which users browse and buy books. The client can be Android ,iOS, Mac. The server is ASP.net Web APIs. I know there are many payment services available. One of ...
6
votes
2answers
436 views

Does anyone use XML Encryption?

The XML standard defines a mechanism for encrypting the data in a XML document. It's part of the standard. Does anyone use this XML encryption format? Are there any significant deployed systems ...
0
votes
1answer
343 views

Is it dangerous to serve executable cgi files in public folder?

In the past, Apache used to serve cgi files from cgi-bin folder only, and it was always advised to avoid putting executable files in public folders. However, today's webservers fairly serve executable ...
5
votes
2answers
3k views

How can I prevent reflected XSS in my JSON web services?

I have a web service that takes POST data (JSON) and returns part of the request object in the JSON response. This is open to XSS if the response is rendered as HTML by the browser since someone ...
4
votes
2answers
567 views

Webservices exploitation / axis/services/AdminService?Method=AdminService

I'm writing to get some stuff on hardening some web-services, but I'm looking also for some tool to test web-services. I have a sandbox (can't post live URLs...) I'm trying some stuff to try to ...
6
votes
1answer
9k views

How to implement an API-Key-Mechanism

first of all: I am quite unsure about the questions title, so if you have a better idea, please feel free to tell (: I would like to know about best-practise examples where services (like Twitter or ...
8
votes
4answers
3k views

Is it okay for API secret to be stored in plain text or decrypt-able?

Aren't API keys considered usernames and API secrets considered passwords? Why is it that API servers like Amazon Web Services allow you to view your API secret in plain text? It makes me think they ...
3
votes
5answers
2k views

How to secure a server backend

I am developing a server which serves two purposes: it is a CMS for people to use and maintain some data, and a Web Service for a mobile app to get this data. It runs on a Debian server running Tomcat ...
4
votes
3answers
699 views

What are the risks of posting my email address to pwnedlist.com?

pwnedlist.com claims to have details of over 23 million accounts that have been hacked, and if you submit your email address they'll apparently tell you if you're in the database. Are the people ...
5
votes
1answer
3k views

Facebook page receiving improbable amount of likes from unknown users

A bit of an odd problem, but I'm not totally sure where to post this. I am an administrator for a facebook page that suddenly began receiving hundreds of likes in the past few days. This trend began ...
1
vote
1answer
708 views

How secure is github's whitelisting CORS domains?

The Github API allows you to make requests using CORS [1]. The CORS requests are only allowed by certain whitelisted domains : Any domain that is registered as an OAuth Application is accepted. ...
4
votes
1answer
528 views

What are the security risks when using free Content delivery networks (CDNs)?

I was doing some research on Content Delivery Networks. For those who don't know, a CDN is a large collection of servers that cache and quickly serve up static content such as images, css, js, etc, to ...
2
votes
1answer
240 views

Are these merchant integration instructions wrong about server-client interaction?

I'm working with a payment gateway that seems to have a fundamental misunderstanding of "clients" and how to protect sensitive data. The integration instructions are mostly about a "redirect" mode of ...
10
votes
6answers
10k views

Securing an API for mobile access

I've built a nice REST/JSON API that is used by other companies (our clients) as a B2B service. Each of our clients has a username/password pair, and we also do HTTPS and validate the source IP of ...
5
votes
3answers
665 views

Is it a security risk to embed a commenting service (like Disqus) into our site?

Can commenting services like Disqus, IntenseDebate, etc. pose a security risk for corporations? Edit: What risks could arise when embedding such services into corporate websites?
3
votes
2answers
383 views

Is there a spreadsheet/template for Mapping WebServices Authorization Rules?

I'm looking for a spreadsheet/template that allows the business-rules (i.e. 'who has access to what') to be mapped, visualized and analyzed. In the past I have created a couple of these (some even ...
1
vote
1answer
382 views

Web Service Security

We are currently designing a Web Service that returns a JSON formatted messages. The following are the planned implementation for the service's security: An SSL Certification to the service for the ...
1
vote
1answer
316 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 ...
6
votes
4answers
3k 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 ...
0
votes
1answer
183 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
votes
2answers
609 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 ...
3
votes
1answer
1k 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, ...
3
votes
2answers
710 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 ...
2
votes
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 ...
2
votes
2answers
133 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 ...
2
votes
3answers
152 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 ...
1
vote
1answer
165 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 ...
3
votes
1answer
129 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 ...
9
votes
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 ...
-4
votes
2answers
590 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: ...
1
vote
1answer
131 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
973 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 ...
4
votes
4answers
643 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 ...
6
votes
4answers
444 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 ...
15
votes
1answer
3k 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 ...