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Displaying 1101 - 1125 of 1541

Second Preimage Attacks on Dithered Hash Functions

April 17, 2008
Author(s)
Elena Andreeva, Charles Bouillaguet, Pierre-Alain Fouque, Jonathan J. Hoch, John M. Kelsey, Adi Shamir, Sebastien Zimmer
We develop a new generic long-message second preimage attack, based on combining the techniques in the second preimage attacks of Dean Dean99} and Kelsey and Schneier KS05} with the herding attack of Kelsey and Kohno KK06}. We show that these generic

Computer Security Division 2007 Annual Report

April 1, 2008
Author(s)
Kevin Stine, Mark Wilson
Title III of the E-Government Act of 2002, entitled the Federal Information Security Management Act (FISMA) of 2002, requires NIST to prepare an annual public report on activities undertaken in the previous year, and planned for the coming year, to carry

A Two-Tier Bloom Filter to Achieve Faster Membership Testing

March 27, 2008
Author(s)
Miguel Jimeno, K Christensen, Allen L. Roginsky
Testing for element membership in a Bloom Filter requires hashing of a test element (e.g., a string) and multiple look-ups in memory. A design of a new two-tier Bloom filter with on-chip hash functions and cache is described. For elements with a heavy

Handling Computer Security Incidents: NIST Issues Updated Guidelines

March 27, 2008
Author(s)
Shirley M. Radack
This bulletin summarizes information disseminated in revised NIST Special Publication (SP) 800-61-1, Computer Security Incident Handling Guide: Recommendations of the National Institute of Standards and Technology. Written by Karen Scarfone and Tim Grance

Guidelines on Active Content and Mobile Code

March 7, 2008
Author(s)
Wayne Jansen, Theodore Winograd, Karen A. Scarfone
Active content technologies allow code, in the form of a script, macro, or other kind of portable instruction representation, to execute when the document is rendered. Like any technology, active content can be used to deliver essential services, but it

Secure Web Servers: Protecting Web Sites That Are Accessed by the Public

January 31, 2008
Author(s)
Shirley M. Radack
This bulletin summarizes the contents of NIST Special Publication 800-44, Version 2, Guidelines on Securing Public Web Servers. The publication details the steps that organizations should take to plan, install, and maintain secure Web server software and

Securing External Computers and Other Devices Used by Teleworkers

December 19, 2007
Author(s)
Shirley M. Radack
This bulletin summarizes the recommendations developed by NIST to help workers secure their external devices that they need for teleworking. The bulletin covers background information on telework technologies and the security issues related to the use of

Secure Biometric Match-on-Card Feasibility Report

November 30, 2007
Author(s)
David Cooper, Trung-Hung Dang, Philip Lee, William I. MacGregor, Ketan Mehta
FIPS 201, "Personal Identity Verification (PIV) of Federal Employees and Contractors," and its associated special publications define a method to perform biometric match-off-card authentication of a PIV cardholder when the PIV card is inserted into a

Using Storage Encryption Technologies to Protect End User Devices

November 26, 2007
Author(s)
Shirley M. Radack
This bulletin summarizes the guidance developed by NIST and published in SP 800-111 to help organizations secure their end user devices, and deter unauthorized parties from accessing the stored information. The bulletin explains three classes of storage

Guide to Storage Encryption Technologies for End User Devices

November 15, 2007
Author(s)
Karen A. Scarfone, Murugiah P. Souppaya, Matt Sexton
Many threats against end user devices, such as desktop and laptop computers, smart phones, personal digital assistants, and removable media, could cause information stored on the devices to be accessed by unauthorized parties. To prevent such disclosures

The Common Vulnerability Scoring System (CVSS)

October 25, 2007
Author(s)
Shirley M. Radack
This bulletin summarizes the guidance developed by NIST and published in NISTIR 7435 to help IT managers to make sense of data about the vulnerabilities of their information systems and to take appropriate actions that will protect their systems and

Guidelines on Securing Public Web Servers

October 9, 2007
Author(s)
Miles C. Tracy, Wayne Jansen, Karen A. Scarfone, Theodore Winograd
Web servers are often the most targeted and attacked hosts on organizations' networks. As a result, it is essential to secure Web servers and the network infrastructure that supports them. This document is intended to assist organizations in installing

6th Annual PKI R&D Workshop "Applications-Driven PKI" Proceedings

September 13, 2007
Author(s)
William Polk, Kent Seamons
NIST hosted the sixth Annual Public Key Infrastructure (PKI) Research Workshop on April 17-19, 2007. The two and a half day event brought together PKI experts from academia, industry, and government had a particular interest in novel approaches to

A New Taxonomy for Analyzing Smart Card-based Authentication Processes

September 7, 2007
Author(s)
Ramaswamy Chandramouli
As part of E-Government and security initiatives, smart cards are now being increasingly deployed as authentication tokens. The existing classification of authentication factors into What you Know, What You Have and What You Are- does not provide a good
Displaying 1101 - 1125 of 1541
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