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Information Technology

Cybersecurity and privacy

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Displaying 701 - 725 of 1521

Small and Medium-size Business Information Security Outreach Program

May 13, 2014
Author(s)
Richard L. Kissel, Kim Quill, Chris Johnson
Small and medium-sized businesses (SMBs) represent 99.7 percent of all U.S. employers and are an important segment of the U.S. economy. These organizations, totaling more than 28.2 million, create over 60 percent of all new U.S. private-sector jobs and

CVSS Implementation Guidance

April 28, 2014
Author(s)
Joshua M. Franklin, Charles W. Wergin, Harold Booth
This Interagency Report provides guidance to individuals scoring vulnerabilities using the Common Vulnerability Scoring System (CVSS) Version 2.0 scoring metrics. CVSS defines a vulnerability as a bug, flaw, weakness, or exposure of an application, system

A Model Towards Using Evidence from Security Events for Network Attack Analysis

April 27, 2014
Author(s)
Changwei Liu, Anoop Singhal, Duminda Wijesekera
Constructing an efficient and accurate model from security events to determine an attack scenario for an enterprise network is challenging. In this paper, we discuss how to use evidence obtained from security events to construct an attack scenario and

NIST and Computer Security

April 4, 2014
Author(s)
William E. Burr, Hildegard Ferraiolo, David A. Waltermire
The US National Institute of Standards and Technology's highly visible work in four key areas--cryptographic standards, role-based access control, identification card standards, and security automation--has and continues to shape computer and information

Attribute Based Access Control (ABAC) Definition and Considerations

March 7, 2014
Author(s)
Chung Tong Hu
Attribute-Based Access Control (ABAC) is a logical access control methodology where authorization to perform a set of operations is determined by evaluating attributes associated with the subject, object, requested operations, and, in some cases

An Integrated Detection System Against False Data Injection Attacks in the Smart Grid

March 4, 2014
Author(s)
Wei Yu, David W. Griffith, Linqiang Ge, Sulabh Bhattarai, Nada T. Golmie
The smart grid is a new type of power grid that will use the advanced communication network technologies to support more efficient energy transmission and distribution. The grid infrastructure was designed for reliability; but security, especially against

Trust Issues with Opportunistic Encryption

February 28, 2014
Author(s)
Scott W. Rose
Recent revelations have shed light on the scale of eavesdropping on Internet traffic; violating the privacy of almost every Internet user. In response, protocol designers, engineers and service operators have begun deploying encryption (often opportunistic

Framework for Improving Critical Infrastructure Cybersecurity

February 19, 2014
Author(s)
Kevin M. Stine, Kim Quill, Gregory A. Witte
Recognizing that the national and economic security of the United States depends on the resilience of critical infrastructure, President Obama issued Executive Order (EO) 13636, Improving Critical Infrastructure Cybersecurity, in February 2013. It directed

Framework for Improving Critical Infrastructure Cybersecurity, Version 1.0

February 12, 2014
Author(s)
Adam Sedgewick
The national and economic security of the United States depends on the reliable functioning of critical infrastructure. Cybersecurity threats take advantage of the increased complexity and connectivity of critical infrastructure systems, placing the Nation

Report: Authentication Diary Study

February 4, 2014
Author(s)
Michelle P. Steves, Mary F. Theofanos
Users have developed various coping strategies for minimizing or avoiding the friction and burden associated with managing and using their portfolios of user IDs and passwords or personal identification numbers (PINs). Many try to use the same password (or

Real-Time Access Control Rule Fault Detection Using a Simulated Logic Circuit

February 3, 2014
Author(s)
Chung Tong Hu, Karen Scarfone
Access control (AC) policies can be implemented based on different AC models, which are fundamentally composed by semantically independent AC rules in expressions of privilege assignments described by attributes of subjects/attributes, actions, objects

The Importance of Entropy to Information Security

February 3, 2014
Author(s)
Apostol T. Vassilev, Timothy Hall
The strength of cryptographic keys is an active challenge in academic research and industrial practice. In this paper we discuss the entropy as fundamentally important concept for generating hard-to-guess, i.e., strong, cryptographic keys and outline the
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