0
votes
0answers
38 views

Why allow access without an access token but deny access with an invalid access token?

I encountered a data storage service with rather weird access policies. There're "folders" with "files" and each "folder" can have either of the following permissions: anyone in the world can ...
0
votes
2answers
38 views

How to handle data-dependent Claims?

This question is about Claims-Based Authorization and Windows Identity Foundation (unfortunately I lack the priviledge to create a tag for this). Consider the following simple use case: I have a ...
2
votes
1answer
312 views

Security implications of granting IIS user group folder modify permissions

I have an Application Pool in IIS running under the standard AppPoolIdentity as part of the IIS_IUSRS group. What are the security implications of granting AppPoolIdentity modify and create ...
8
votes
2answers
243 views

What's ownership concept for?

I fail to grasp the necessity of using concept of owner (ownership) and find clear explanation of its necessity. What cannot be done without concept of owner(ownership) in filesystem/database object ...
10
votes
6answers
2k views

Difference between Privilege and Permission

I am a little confused on the contextual differences between permission and privilege from computer security perspective.Though I have read the definition of both the terms but it will be nice if ...
2
votes
5answers
1k views

Security purpose of asking admin password to mount partition on Linux

So I divided my 250GB laptop drive into 2 partitions and some swap. On the second partition which is an ext4 60GB partition I installed Fedora 17. On the other bigger NTFS partition I've got Win XP ...
10
votes
2answers
1k views

Why do some Java APIs bypass standard SecurityManager checks?

In Java, normally permission checks are handled by the SecurityManager. To prevent untrusted code from invoking privileged code and exploiting some bug in the privileged code, SecurityManager checks ...
0
votes
1answer
388 views

website hacked and all its content erased despite the protections

i was hacked by a guy who erased everything. I spent the day to put everything in order, and i would like to find a solution for this : he erased all the files, and also changed the title for "www" in ...
21
votes
1answer
13k views

What is the difference between RBAC and DAC/ACL?

What are the benefits of each, and when should I choose one over the other? Are there situations where these should be merged? Do you have examples of common usages? And what about MAC, where ...