1
vote
0answers
170 views

What is the preferred way of using AWS (specifically S3) from mobile apps?

Adding the AWS access key and secret key directly in app code is definitely not a good approach, primarily because the app resides on the users device (unlike server side code), and can be reverse ...
1
vote
1answer
81 views

What makes it difficult for Facebook to implement restriction/ACL for accessing uploaded photo? [closed]

Facebook claims to allow restrict sharing to friends, certain network, or even custom when I upload photos. But it appears that this security is only in effect for the page where the photo is ...
2
votes
1answer
116 views

Helping developers find logic and authorisation flaws

Professional penetration testers are usually good at finding all sorts of vulnerabilities, including logic flaws, that are highly-specific to the site being tested. However, being a manual activity, ...
0
votes
1answer
104 views

Where to perform authorisation in a web app?

Most web apps perform authorisation checks at the controller layer. This is basically ok, but complex apps tend to have repetitive checks. For example, there might be ten or so controller actions that ...
5
votes
2answers
99 views

Preventing fraudulent access to restriced resource on the web?

I'm working on a web application along with a web API and I've been warned against what seems to be a basic vulnerability: not checking that the user making an action has sufficient privileges on the ...
1
vote
1answer
310 views

JS frontend for RESTful backend vs authorization

I'm building web-app. And i have concern about security issues. In world a lot of similar questions, but many of them does not have really clear answer(advise,suggestion). This is the reason why i ...
2
votes
3answers
243 views

Verify if person belongs to the claimed university through his university email id

I need to allow users access to an application after verifying that they belong to the claimed institute through university email id. So that if a person claims that he belongs to Stanford University, ...
21
votes
3answers
2k views

Pitfalls of using OAuth for mobile Applications

OAuth seems to be getting a lot of traction at the moment as an authorization solution for web applications and mobile applications. I'm interested in understanding what the pitfalls of using OAuth ...