1
vote
2answers
45 views

How secure are SSL client certificate authentications? [duplicate]

As far as I understand it's possible to issue SSL certificates, which could be used by clients for authentication. So in theory only users with valid certificates would be able to access a certain web ...
0
votes
2answers
66 views

Best practice for two WebServices that have to authenticate with each other [closed]

I have two WebServices that are hosted by two different applications. Both Applications access each other's webservices: Now both WebServices have to authenticate with each other. Different ...
2
votes
2answers
134 views

Is this token based web service secure?

Note: Original question asked at http://stackoverflow.com/questions/24012390/is-this-token-based-web-service-secure but here seems to be the right place for it. The company that I current work for ...
6
votes
4answers
415 views

Is it secure to use *no authentication* for services listening only on localhost?

I have many applications installed on my server that use a webui frontend to control the application. Since I am the only user of the server, I usually bind these applications to 127.0.0.1. As the ...
1
vote
1answer
221 views

What popular online services allow passwordless authentication using digital signatures? [closed]

I am looking for web services that allow clients to authenticate using digital signatures. Especially with e-commerce and payments, clients generally authenticate using name and password (sometimes ...
2
votes
1answer
162 views

Windows Authentication to protect API

One of my colleagues has a web api call that is checking that the user is logged in and his token matches what is in session (thanks to all of you for your help). Let's say this is layer blue. After ...
2
votes
1answer
222 views

HMAC needed with SSL/AccessToken in place?

Is using an HMAC in web service messages overkill if you are already using SSL and Access Tokens? I’m thinking of further ways to secure a service, and HMAC message signing is one. But it comes with ...
1
vote
2answers
124 views

How to securely provide data to a web server using a data warehouse?

We have a data warehouse that stores prices for our products. Once every business day, new data points are added representing the day's price for each product. On the website, a user sees this ...
0
votes
1answer
92 views

Service TO Service Authentication & authorization [duplicate]

I have two web services A and B the requests between those services is http. I want so establish a secure connection between service A and service B to ensure the authorized and authenticate request ...
5
votes
1answer
234 views

Custom web authentication scheme

For a project at work I'm currently implementing a not too large webservice. For reasons of learning something new I tried making it a REST service, which then prompted the issue of authentication. I ...
2
votes
1answer
343 views

WSS (WSS4J): cleartext password in UsernameToken vs salted password hash in database

I'm currently struggling a little with the security layer of a web service I'm writing using WSS4J and CXF. We obviously do not wish to store plaintext passwords in our backend, but would prefer to ...
4
votes
2answers
493 views

How Secure are Authenticity Token in Rails

I came across a website which uses Rails Authenticity token to prevent CSRF attacks. My concern here is that I can see the authenticity token in the source code of the web page. If any other service ...
2
votes
1answer
225 views

User Authentication API

I'm developing a web API for a user database that will be used to verify a given username / password combination is valid. I'm just looking for comments / criticism on the following method that I'm ...
-3
votes
1answer
50 views

What is the notion challenge in authetication? [closed]

Can someone help me what is a challenge in authentication wordbook?
1
vote
1answer
776 views

iOS auth/auth with a REST Webservice

we're currently in the design phase of a new "Gateway-Server" which we want to develop. Our server has a REST-Service. My task is to find viable options to protect the access to the aforementionend ...
3
votes
2answers
334 views

Should the Keygen element be used to create a certificate for mutual auth TLS? What alternatives are there?

I'm interested in using mutual auth TLS to improve the security of my javascript based webservices . I've looked at the Keygen element and given all its issues, not sure if this can even be used for ...
3
votes
1answer
251 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 ...
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 ...
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 ...
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 ...
1
vote
1answer
313 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
181 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 ...
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
4answers
640 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 ...