Brian Colaluca, Author at Axiomatics
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Brian Colaluca

Home / Archives for Brian Colaluca
Business Monday, 12 March 2018Tuesday, 03 April 2018 by Brian Colaluca

Video Blog-Moving Beyond Identity-Based Access Control

Axiomatics’ solutions implement Attribute Based Access Control (ABAC). This means that, when processing an access control request, digital rules can be evaluated to consider the attributes of the requestor, the attributes of the requested resource, and the attributes of the environment. This
Business Wednesday, 03 January 2018Friday, 05 January 2018 by Brian Colaluca

Applying ABAC to Cloud Technologies

Is your business or agency preparing to migrate to cloud technologies in 2018? Or have you already adopted the cloud and are looking for ways to enhance cloud security and protect your company or agency resources? As organizations trend towards cloud environments, new challenges and opportunities
ABAC Thursday, 20 April 2017Tuesday, 16 October 2018 by Brian Colaluca

Federal Mission: Dissemination and Information Sharing using ABAC

This Use Case, Federal Mission: Dissemination and Information Sharing using Attribute Based Access Control (ABAC), discusses how an ABAC model can be used to disseminate information between agencies widely and securely.  By using a fine-grained, ABAC implementation such as Axiomatics Policy Server
Access Control Tuesday, 22 November 2016 by Brian Colaluca

Why don’t I get Obligations or Advice back on Indeterminate or Not Applicable responses?

Background When a policy is being evaluated in XACML 3.0 Policy Decision Points (PDP), Obligations and Advice elements will be ignored for “Indeterminate” and “Not Applicable” results. Only a "Permit " or "Deny" condition will result in an Obligation or Advice message being returned. This
Question of the Week Tuesday, 27 September 2016 by Brian Colaluca

How Can I Return the Reason for a Denial in a XACML Response?

The XACML standard provides a means of returning the reason for an access request denial through the use of the Obligations and Advice expressions, which were added in the 3.0 standard. A comprehensive explanation of Obligations and Advice can be found in our blog entry titledYou are not obliged to
Business Tuesday, 13 September 2016Thursday, 20 April 2017 by Brian Colaluca

ABAC, the dynamic authorization solution for your APIs and Applications

Scale the heights of enterprise access control: IT and security leaders in large organizations often find themselves standing at the foot of a daunting mountain. That mountain is a mandate from their leadership to “improve security,” “do a better job in protecting data,” and “improve
Question of the Week Thursday, 18 August 2016 by Brian Colaluca

When and How Can I Express Negative Logic in XACML?

When authoring an access control policy, you may be creating a logical structure that calls for a negative expression. For example, you might be protecting a resource where access approval requires that the requestor not be a part-time employee . Negative Logic in XACML In the natural language
Question of the Week Tuesday, 05 July 2016 by Brian Colaluca

Is ALFA a Part of the OASIS XACML Technical Committee Series of Standards?

The Abbreviated Language for Authorization (ALFA)is a pseudocode language used in the formulation of access control policies. ALFA maps directly into the eXtensible Access Control Markup Language (XACML) and contains the same structural elements as XACML (i.e. PolicySet, Policy, and Rule). The
Question of the Week Tuesday, 24 May 2016 by Brian Colaluca

How Do I Check for the Presence of an Attribute?

This blog will look more closely at the scenarios where you want to evaluate an attribute on a particular target. First, let’s define a few XACML terms right from the start: An Attribute is defined as the “characteristic of a subject, resource, action or environment that may be referenced in

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