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Conference: 33rd International Symposium, MFCS 2008 Abstract: We study the complexity of the Shortest Linear Program (SLP) problem, which is to the number of linear operations necessary to compute a set of linear forms. SLP is shown to be NP-hard. Furthermore, a special case of the corresponding decision problem is shown to be Max SNP-Complete. Algorithms prod...

Abstract: Phone managers are non-forensic software tools designed to carry out a range of tasks for the user, such as reading and updating the contents of a phone, using one or more of the communications protocols supported by the phone. Phone managers are sometimes used by forensic investigators to recover d...

Abstract: This bulletin summarizes information disseminated in NIST Special Publication 800-53A, Guide for Assessing the Security Controls in Federal Information Systems, by Ron Ross, Arnold Johnson, Stu Katzke, and Patricia Toth of NIST, by Gary Stoneburner of the Johns Hopkins University Applied Physics Lab...

Conference: Third Workshop on Security Metrics (Metricon 3.0) Abstract: One of the holy grail questions in computer security is how secure are my organization systems? This paper describes our new approach to answering this question. This approach is distinguished from previous efforts in three ways: 1) uses evidence-based security decision-making, 2) produces good enou...

Abstract: Title III of the E-Government Act, titled the Federal Information Security Management Act (FISMA) of 2002, tasked NIST to develop (1) standards to be used by all Federal agencies to categorize information and information systems collected or maintained by or on behalf of each agency based on the obj...

Abstract: This paper discusses some aspects of selecting and testing random and pseudorandom number generators. The outputs of such generators may be used in many cryptographic applications, such as the generation of key material. Generators suitable for use in cryptographic applications may need to meet stro...

Abstract: Title III of the E-Government Act, titled the Federal Information Security Management Act (FISMA) of 2002, tasked NIST to develop (1) standards to be used by all Federal agencies to categorize information and information systems collected or maintained by or on behalf of each agency based on the obj...

Abstract: The purpose of this document is to assist organizations in understanding the fundamental activities performed as part of securing and maintaining the security of servers that provide services over network communications as a main function. The document discusses the need to secure servers and provid...

Abstract: The purpose of this document is to provide guidance to organizations in securing their legacy Institute of Electrical and Electronics Engineers (IEEE) 802.11 wireless local area networks (WLAN) that cannot use IEEE 802.11i. The document provides an overview of legacy IEEE 802.11 WLAN standards, comp...

Conference: 2008 International Conference on Security and Management (SAM 2008) Abstract: Phone managers are non-forensic tools sometimes used by forensic investigators to recover data from a cell phone when no suitable forensic tool is available for the device. While precautions can be taken to preserve the integrity of data on a cell phone, inherent risks exist. Applying a forensic fil...

Abstract: Secure Sockets Layer (SSL) Virtual Private Networks (VPNs) provide users with secure remote access to an organization's resources. An SSL VPN consists of one or more VPN devices to which users connect using their Web browsers. The traffic between the Web browser and SSL VPN device is encrypted with...

Conference: 22nd Annual IFIP WG 11.3 Working Conference on Data and Applications Security Abstract: Web services-based computing is currently an important driver for the software industry. While several standards bodies (such as W3C and OASIS) are laying the foundation for Web services security, several research problems must be solved to make secure Web services a reality. This talk will present...

Conference: 22nd Annual IFIP WG 11.3 Working Conference on Data and Applications Security Abstract: In today's networked environments, protecting critical resources usually requires us to understand and measure the likelihood of multi-step attacks that combine different vulnerabilities for reaching the attack goal.  Such a measurement is now feasible due to a qualitative model of causal relationsh...

Abstract: This Standard describes a keyed-hash message authentication code (HMAC), a mechanism for message authentication using cryptographic hash functions. HMAC can be used with any iterative Approved cryptographic hash function, in combination with a shared secret key.

Abstract: This document provides guidance on how an organization, through the use of metrics, identifies the adequacy of in-place security controls, policies, and procedures. It provides an approach to help management decide where to invest in additional security protection resources or identify and evaluate...

Abstract: Secure Sockets Layer (SSL) Virtual Private Networks (VPNs) provide users with secure remote access to an organization's resources. An SSL VPN consists of one or more VPN devices to which users connect using their Web browsers. The traffic between the Web browser and SSL VPN device is encrypted with...

Abstract: The purpose of NIST Special Publication 800-53A is to provide guidelines for building effective security assessment plans and procedures to enable the assessment of security controls employed in information systems supporting the executive agencies of the federal government. Organizations should use...

Conference: 1st International Conference on Information Technology, 2008 (IT 2008) Abstract: This paper proposes a framework for measuring the vulnerability of individual hosts based on current and historical operational data for vulnerabilities and attacks. Previous approaches have not been scalable because they relied on complex manually constructed models, and most approaches have examin...

Abstract: The purpose of this publication is to provide appropriate and useful guidelines for accrediting the reliability of issuers of Personal Identity Verification cards that are established to collect, store, and disseminate personal identity credentials and issue smart cards, based on the standards publi...

Conference: 13th ACM Symposium on Access Control Models and Technologies (SACMAT '08) Abstract: Security policy enforcement is instrumental in preventing the unauthorized disclosure of sensitive data, protecting the integrity of vital data, mitigating the likelihood of fraud, and ultimately enabling the secure sharing of information. In accessing a given resource, policy may dictate, for examp...

Conference: IEEE Workshop on Policies for Distributed Systems and Networks (IEEE Policy 2008) Abstract: Deployment of Smart Cards for Identity Verification requires collection of credentials and provisioning of credentials from and to heterogeneous and sometimes legacy systems. To facilitate this process, a centralized identity store called Identity Management System (IDMS) is often used. To protect t...

Journal: Crosstalk (Hill AFB): the Journal of Defense Software Engineering Abstract: Pairwise testing has become a popular approach to software quality assurance because it often provides effective error detection at low cost. However, pairwise (2-way) coverage is not sufficient for assurance of mission-critical software. Combinatorial testing beyond pairwise is rarely used because...

Journal: IT Professional Abstract: With new algorithms and tools, developers can apply high-strength combinatorial testing to detect elusive failures that occur only when multiple components interact. In pairwise testing, all possible pairs of parameter values are covered by at least one test, and good tools are available to generate...

Journal: IEEE Security & Privacy Abstract: Recognizing that the 32-bit addresses used by the current version of the Internet Protocol (IPv4) would soon be depleted, the Internet Engineering Task Force (IETF) has been developing its successor, Internet Protocol version 6 (IPv6). This has been a more complex undertaking than simply changing im...

Abstract: This bulletin summarizes the information that was disseminated by the National Institute of Standards and Technology (NIST) in a November 2007 Federal Register Notice. NIST is soliciting candidates for a new and robust cryptographic hash algorithm for use by Federal government agencies in protecting...