A security mechanism which enforces policy describing which requesters may perform operations on specified objects. There are typically multiple types of operations. Common operations include: read, write, execute, append, create, and delete.

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87 views

How secure is Windows 10 account control?

I have a Microsoft account in my machine (Admin). I set a guest account (Standard) for a friend so he can play games. Is there any way he could access my files/folders info? I mean, get data, view ...
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1answer
68 views

Restricted Access through Box and log commands

I want to solve following problem. Please share your ideas or directly product name that capable to solve this. Our system administrators need to connect customer's servers but I don't want to share ...
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1answer
48 views

Implement RBAC for my application

I'm beginning to work on a new web app for which I require implementing Role-Based Access Control. I've identified three Roles for my application which will be Role 1, Role 2 and an Role 3. Each user ...
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1answer
43 views

Defense-In-Depth With Common Security Controls

Many operating systems implement system capabilities, Posix access controls (DAC/ACLs) and mandatory access controls (SELinux), each using different underlying security controls to provide individual ...
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1answer
18 views

Application proxy structure & funtions

http://postimg.org/image/76newirnv/ For application proxy, Firstly, what does it mean "A proxy is something that acts on your behalf"? Can anyone give a more detail explanation about proxy? I read ...
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1answer
51 views

Bell-LaPadula no read no write

I'm reading about the Bell-LaPadula model. I understand the Simple Security Property and the Star Property, and I see that the model also incorporates a Discretional Security Property. My question is: ...
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1answer
75 views

Locking down Amazon RDS table data

We are using MySQL Amazon RDS. The instance is encrypted, and also only available via SSH from the production server EC2 instance. One of the things we are trying to do is give access to some ...
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1answer
55 views

Is Linux protection mechanism implemented using capability lists?

I often get confused whether a particular protection mechanism is ACL or CL by definition. As an example to clarify this, I would like to consider the case of Linux. I believe Linux uses capability ...
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0answers
37 views

Protocols for transfering access control data

The company I am working for has decided to create an API for a few of the products we create here (we create physical access control solutions, card readers, key storage, intelligent door locks and ...
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58 views

WiFi Fingerprinting RFC2617 Linux Device Cannot Unauthenticate Unless AP Password Changes

There is a Cisco WiFi Access Point in the office that is intended for guests. It is an open network in that you can associate without providing a password with the SSID. It supports RFC2617 and so the ...
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0answers
67 views

What's The Easiest Way To Maintain Remote Users Access to a Webapp

Here is a real world case: A chain of high schools (several hundreds) has many websites (~ 3x number of Schools) that are content driven by users (the students). Every school maintains about 2-4 ...
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21 views

Is FAR (False Accept Rate) a property of algorithm or a property of the system?

As known in biometrics: https://en.wikipedia.org/wiki/Biometrics#Performance False match rate (FMR, also called FAR = False Accept Rate): the probability that the system incorrectly matches the ...
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51 views

What are the most common ways to Architect the verification process of the access tokens between resource and authentication server using OAUTH 2.0?

What are the most common ways to Architect the verification process of the access tokens between resource server and authentication server using OAUTH 2.0? I am trying to build a web application ...
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25 views

Unique assignment of permissions to objects seems to also require the role?

So my understanding of RBAC is that Users have Roles, and Roles have Permissions and there should be a Permission Object mapping. I'm having a bit of a business logic problem though concerning RBAC. ...
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0answers
85 views

How to access files or getting rights access with NJrat

When I'm using NJrat to control my own computer, I can't delete, open or move some files. Are there some kind of security access I need to stop first? How can I change this to allow full access?
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0answers
38 views

Certificate based Access Control for Pub Sub messaging

I'm extending an existing p2p/master Pub Sub framework to support additional security measures, via over the wire encryption and topic based access control. I'd like to use the x.509 certificates that ...
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0answers
41 views

iOS keychain - who or what can access it

I have an iOS app that needs to be able to upload data in the background, and so also when the device is locked. To achieve background uploading I use information stored in the key chain. Therefore I ...
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0answers
35 views

Why doesn't homebrew fix file access problems by itself?

Before I took ownership of /usr/local, "brew link" caused a "/usr/local/..." not writeable. Is there any particular security reason why the program didn't say something like "The operating system won'...
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0answers
59 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 ...
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0answers
349 views

Since when Access-Control-Allow-Credentials is required?

About several years ago I found a website during a pentest which had the Access-Control-Allow-Origin header set to "*". I made a POC to get the response of a webpage from an untrusted domain. The goal ...
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255 views

Can we create custom APDU for non-smart (memory type) contactless card?

I want to implement card-based authentication for the parking system in a university. Currently all students own a Java Card-based student ID card, if they have not broken or lost it. Can we create ...
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0answers
818 views

automatic connection from LSASS to different IPs. Is this the usual behavior?

I'm using windows 7. firefox 22. connecting through a regular residential wifi router. In the last month I've noticed that when I connect to the internet and once in a while my firewall indicates me ...
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25 views

bundling session information in a binary

We are in the process of developing a desktop app. When a user is logged into the website we create a dynamic binary(.exe) and add session information to that binary which is valid for one time login. ...
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39 views

idevicerestore installation trouble

Can anyone help me figure out what im doing wrong to install this software? ``` root@kali:~/libimobiledevice# sudo apt-get install libusbmuxd-dev libplist-dev libplist++ Reading package lists... Done ...
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0answers
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Implementation of security policy using BLP

I'm studying for an exam that covers BLP (Bell-Lapadula) and I was wondering if the following could be represented using this policy. All the examples I've found online are of a simple hierarchical ...
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66 views

How can security models be relevant to the current environment?

I am trying to understand the Clark-Wilson and Brewer Nash Security Models. After deep research, I couldn't find any solution or idea to find out the relevance of these models in the current ...