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Articles 751 - 780 of 1355
Full-Text Articles in Computer Sciences
In Pursuit Of An Aptitude Test For Potential Cyberspace Warriors, Tiffiny S. Smith
In Pursuit Of An Aptitude Test For Potential Cyberspace Warriors, Tiffiny S. Smith
Theses and Dissertations
The Air Force has officially assumed the cyberspace mission. To perform this mission well, it is important to employ personnel who have the necessary skill sets and motivation to work in a cyberspace environment. The first step in employing the right people is to screen all possible candidates and select those with an aptitude for acquiring the skill sets and with the motivation to perform this work. This thesis attempts to determine the necessary skills and motivations to perform the cyberspace mission and recommends a screening process to select the candidates with the highest probability for success. Since this mission …
Cost Effective Forward Tracing Data Lineage, Mingwu Zhang, Xiangyu Zhang, Sunil Prabhakar
Cost Effective Forward Tracing Data Lineage, Mingwu Zhang, Xiangyu Zhang, Sunil Prabhakar
Department of Computer Science Technical Reports
No abstract provided.
Bsmr: Byzantine-Resilient Secure Multicast Routing In Multi-Hop Wireless Networks, Reza Curtmola, Cristina Nita-Rotaru
Bsmr: Byzantine-Resilient Secure Multicast Routing In Multi-Hop Wireless Networks, Reza Curtmola, Cristina Nita-Rotaru
Department of Computer Science Technical Reports
No abstract provided.
On-The-Fly Dynamic Dead Variable Analysis, Joel P. Self
On-The-Fly Dynamic Dead Variable Analysis, Joel P. Self
Theses and Dissertations
State explosion in model checking continues to be the primary obstacle to widespread use of software model checking. The large input ranges of variables used in software is the main cause of state explosion. As software grows in size and complexity the problem only becomes worse. As such, model checking research into data abstraction as a way of mitigating state explosion has become more and more important. Data abstractions aim to reduce the effect of large input ranges. This work focuses on a static program analysis technique called dead variable analysis. The goal of dead variable analysis is to discover …
Internet Protocol Geolocation: Development Of A Delay-Based Hybrid Methodology For Locating The Geographic Location Of A Network Node, John M. Roehl
Internet Protocol Geolocation: Development Of A Delay-Based Hybrid Methodology For Locating The Geographic Location Of A Network Node, John M. Roehl
Theses and Dissertations
Internet Protocol Geolocation (IP Geolocation), the process of determining the approximate geographic location of an IP addressable node, has proven useful in a wide variety of commercial applications. Commercial applications of IP Geolocation include market research, redirection for performance enhancement, restricting content, and combating fraud. The potential for military applications include securing remote access via geographic authentication, intelligence collection, and cyber attack attribution. IP Geolocation methods can be divided into three basic categories based upon what information is used to determine the geographic location of the given IP address: 1) Information contained in databases, 2) information that is leaked during …
Wide Area Search And Engagement Simulation Validation, Michael J. Marlin
Wide Area Search And Engagement Simulation Validation, Michael J. Marlin
Theses and Dissertations
As unmanned aerial vehicles (UAVs) increase in capability, the ability to refuel them in the air is becoming more critical. Aerial refueling will extend the range, shorten the response times, and extend loiter time of UAVs. Executing aerial refueling autonomously will reduce the command and control, logistics, and training efforts associated with fielding UAV systems. Currently, the Air Force Research Lab is researching the various technologies required to conduct automated aerial refueling (AAR). One of the required technologies is the ability to autonomously rendezvous with the tanker. The goal of this research is to determine the control required to fly …
Geospatial Informational Security Risks And Concerns Of The U.S. Air Force Geobase Program, Scott A. Bryant
Geospatial Informational Security Risks And Concerns Of The U.S. Air Force Geobase Program, Scott A. Bryant
Theses and Dissertations
Technological advancements such as Geospatial Information Systems (GIS) and the Internet have made it easier and affordable to share information, which enables complex and time sensitive decisions to be made with higher confidence. Further, advancements in information technology have dramatically increased the ability to store, manage, integrate, and correlate larger amounts of data to improve operational efficiency. However, the same technologies that enable increased productivity also provide increased capabilities to those wishing to do harm. Today’s military leaders are faced with the challenge of deciding how to make geospatial information collected on military installations and organizations available to authorized communities …
Adaptive Gravitational Gossip In Monitoring The Joint Battlespace Infosphere, Edmund Descartes Aban
Adaptive Gravitational Gossip In Monitoring The Joint Battlespace Infosphere, Edmund Descartes Aban
Theses and Dissertations
Future USAF operations will be heavily dependent on having the "right information" at the "right time," and Joint Battlespace Infospheres (JBIs) are poised to fill that role. To do this, JBIs must be ubiquitous -- always accessible, secure and responsive. Of all the literature written regarding JBIs, the most important problem to solve in order to make JBIs work in mobile scenarios are scalability, reliability and adaptability to changing battlefield conditions. This paper explores the use of SBCast, a novel adaptive probabilistic protocol and a delivery mechanism for JBI updates and as a possible solution towards guaranteeing these qualities. It …
Use Of Tabu Search In A Solver To Map Complex Networks Onto Emulab Testbeds, Jason E. Macdonald
Use Of Tabu Search In A Solver To Map Complex Networks Onto Emulab Testbeds, Jason E. Macdonald
Theses and Dissertations
The University of Utah's solver for the testbed mapping problem uses a simulated annealing metaheuristic algorithm to map a researcher's experimental network topology onto available testbed resources. This research uses tabu search to find near-optimal physical topology solutions to user experiments consisting of scale-free complex networks. While simulated annealing arrives at solutions almost exclusively by chance, tabu search incorporates the use of memory and other techniques to guide the search towards good solutions. Both search algorithms are compared to determine whether tabu search can produce equal or higher quality solutions than simulated annealing in a shorter amount of time. It …
Pocket Sdv With Sdguardian: A Secure & Forensically Safe Portable Execution Environment, Peter Hannay, Peter James
Pocket Sdv With Sdguardian: A Secure & Forensically Safe Portable Execution Environment, Peter Hannay, Peter James
Australian Digital Forensics Conference
Storage of sensitive and/or business critical data on portable USB attachable mass storage devices is a common practice. The ability to transport large volumes of data from the standard place of work and then access and process the data on an available PC at a different location provides both convenience and flexibility. However, use of such USB attachable mass storage devices presents two major security risks; the risk of loss of the portable storage device during transport and the risk of data remnants residing on a PC after accessing the data from the USB storage device. The latter risk is …
An Overview Of Adsl Homed Nepenthes Honeypots In Western Australia, Craig Valli, Aaron Wooten
An Overview Of Adsl Homed Nepenthes Honeypots In Western Australia, Craig Valli, Aaron Wooten
Australian Digital Forensics Conference
This paper outlines initial analysis from research in progress into ADSL homed Nepenthes honeypots. One of the Nepenthes honeypots prime objective in this research was the collection of malware for analysis and dissection. A further objective is the analysis of risks that are circulating within ISP networks in Western Australian. What differentiates Nepenthes from many traditional honeypot designs it that is has been engineered from a distributed network philosophy. The program allows distribution of results across a network of sensors and subsequent aggregation of malware statistics readily within a large network environment.
Oops They Did It Again: The 2007 Australian Study Of Remnant Data Contained On 2nd Hand Hard Disks, Craig Valli, Andrew Woodward
Oops They Did It Again: The 2007 Australian Study Of Remnant Data Contained On 2nd Hand Hard Disks, Craig Valli, Andrew Woodward
Australian Digital Forensics Conference
The 2007 study used a biased selection process where the primary focus was the purchase of high-speed SCSI drives and drive packs, in addition 2.5 inch laptop drives were targeted. Conventional IDE based hard drives were also examined in the study. A total of 84 drives were examined this year, 23 yielded data that represented significant and in some cases profound exposure if data. Encouragingly more hard disks were erased in this study than in previous studies. However, there is still a significant gap in erasure procedures in organisations, which is particularly concerning given that the drives were from large …
Id Theft: A Computer Forensics' Investigation Framework, Olga Angelopoulou
Id Theft: A Computer Forensics' Investigation Framework, Olga Angelopoulou
Australian Digital Forensics Conference
The exposure of online identities grows rapidly nowadays and so does the threat of having even more impersonated identities. Internet users provide their private information on multiple web-based agents for a number of reasons, online shopping, memberships, social networking, and many others. However, the number of ID Theft victims grows as well, resulting to the growth of the number of incidents that require computer forensics investigation in order to resolve this type of crime. For this reason, it appears of value to provide a systematic approach for the computer forensics investigators aiming to resolve such type of computer based ID …
Can Sdv Technology Be Utilised In A Smartphone To Prevent Forensic Analysis?, Peter James
Can Sdv Technology Be Utilised In A Smartphone To Prevent Forensic Analysis?, Peter James
Australian Digital Forensics Conference
Eliminating the opportunities to successfully acquire data from mobile devices is a critical security objective for certain organisations. In particular, Government agencies require assurance that classified data is secured against hostile forensic analysis. The Secure Systems Silicon Data Vault (SDV) is a hardware based data encryption and access control device that has been accredited by the Australian Government to secure classified information held on laptops and portable hard disk drives; hardware is recognised as a superior trusted platform to implement security mechanisms. The SDV’s 128bit Advanced Encryption Standard (AES) cryptography, sophisticated key management & access controls and total disk encryption …
Steganalysis In Computer Forensics, Ahmed Ibrahim
Steganalysis In Computer Forensics, Ahmed Ibrahim
Australian Digital Forensics Conference
Steganography deals with secrecy and convert communication and today the techniques for countering this in the context of computer forensics has somewhat fallen behind. This paper will discuss on how steganography is used for information hiding and its implications on computer forensics. While this paper is not about recovering hidden information, tools that are used for both steganography and steganalysis is evaluated and identifies the shortcomings that the forensic analysts would face. In doing so this paper urges on what the stakeholders in the field of computer forensics needs to do to keep ahead of criminals who are using such …
Introduction To Mobile Phone Flasher Devices And Considerations For Their Use In Mobile Phone Forensics, Marwan Al-Zarouni
Introduction To Mobile Phone Flasher Devices And Considerations For Their Use In Mobile Phone Forensics, Marwan Al-Zarouni
Australian Digital Forensics Conference
The paper gives an overview of mobile phone flasher devices and their use for servicing mobile phones, their illegitimate uses and their use in mobile phone forensics. It discusses the different varieties of flasher devices and the differences between them. It also discusses the shortcomings of conventional mobile forensics software and highlights the need for the use of flasher devices in mobile forensics to compensate for the shortcomings. The paper then discusses the issues with the use of flasher devices in mobile forensics and precautions and considerations of their use. The paper goes further to suggest means of testing the …
Anti-Forensics And The Digital Investigator, Gary C. Kessler
Anti-Forensics And The Digital Investigator, Gary C. Kessler
Australian Digital Forensics Conference
Viewed generically, anti-forensics (AF) is that set of tactics and measures taken by someone who wants to thwart the digital investigation process. This paper describes some of the many AF tools and methods, under the broad classifications of data hiding, artefact wiping, trail obfuscation, and attacks on the forensics tools themselves. The concept of AF is neither new nor solely intended to be used by the criminal class; it also has legitimate use by those who wish to protect their privacy. This paper also introduces the concept of time-sensitive anti-forensics, noting that AF procedures might be employed for the sole …
An Approach In Identifying And Tracing Back Spoofed Ip Packets To Their Sources, Krishnun Sansurooah
An Approach In Identifying And Tracing Back Spoofed Ip Packets To Their Sources, Krishnun Sansurooah
Australian Digital Forensics Conference
With internet expanding in every aspect of businesses infrastructure, it becomes more and more important to make these businesses infrastructures safe and secure to the numerous attacks perpetrated on them conspicuously when it comes to denial of service (DoS) attacks. A Dos attack can be summarized as an effort carried out by either a person or a group of individual to suppress a particular outline service. This can hence be achieved by using and manipulating packets which are sent out using the IP protocol included into the IP address of the sending party. However, one of the major drawbacks is …
An Overview And Examination Of Digital Pda Devices Under Forensics Toolkits, Krishnun Sansurooah
An Overview And Examination Of Digital Pda Devices Under Forensics Toolkits, Krishnun Sansurooah
Australian Digital Forensics Conference
Personal Digital Assistants most commonly known as PDAs are becoming more and more fashionable and affordable in the working environment. With the advent and rapidly increasing technology these handled devices are now targeted by a lot of person with criminal intentions. But unfortunately crime does not choose its technology and nowadays those ultra light handhelds are getting more and more involved in crimes. This therefore become an onerous task for the forensics examiners who needs the proper forensics tools to investigate the information held on these devices. The purpose of this report will browse the current forensics toolkits available and …
Profiling Through A Digital Mobile Device, Lee Fueng Yap, Andy Jones
Profiling Through A Digital Mobile Device, Lee Fueng Yap, Andy Jones
Australian Digital Forensics Conference
Mobile digital devices have evolved from telecommunications device to a lifestyle product over the years. These devices are used in all aspects of our daily life. As a result, more information is stored within the devices. Unprotected mobile digital device is susceptible to privacy invasion attack when the device falls into the wrong hand of any unscrupulous third party. The main objective of this paper is to provide an implication analysis on the possible risks of information leakage through digital mobile devices, in the case when users forget to, or choose never to apply any security protection to their devices
Forensic Analysis Avoidance Techniques Of Malware, Murray Brand
Forensic Analysis Avoidance Techniques Of Malware, Murray Brand
Australian Digital Forensics Conference
Anti-forensic techniques are increasingly being used by malware writers to avoid detection and analysis of their malicious code. Penalties for writing malware could include termination of employment, fines or even, imprisonment. Malware writers are motivated not to get caught and are actively using subversive techniques to avoid forensic analysis. Techniques employed include obfuscation, anti-disassembly, encrypted and compressed data, data destruction and anti-debugging. Automated detection and classification work is progressing in this field. This includes analysing statistical structures such as assembly instructions, system calls, system dependence graphs and classification through machine learning.
Extracting Inter-Arrival Time Based Behaviour From Honeypot Traffic Using Cliques, Saleh Almotairi, Andrew Clark, Marc Dacier, Corrado Leita, George Mohay, Van Hau Pham, Olivier Thonnard, Jacob Zimmermann
Extracting Inter-Arrival Time Based Behaviour From Honeypot Traffic Using Cliques, Saleh Almotairi, Andrew Clark, Marc Dacier, Corrado Leita, George Mohay, Van Hau Pham, Olivier Thonnard, Jacob Zimmermann
Australian Digital Forensics Conference
The Leurre.com project is a worldwide network of honeypot environments that collect traces of malicious Internet traffic every day. Clustering techniques have been utilized to categorize and classify honeypot activities based on several traffic features. While such clusters of traffic provide useful information about different activities that are happening in the Internet, a new correlation approach is needed to automate the discovery of refined types of activities that share common features. This paper proposes the use of packet inter-arrival time (IAT) as a main feature in grouping clusters that exhibit commonalities in their IAT distributions. Our approach utilizes the cliquing …
Managing Digital Forensic Knowledge An Applied Approach, David P. Biros, Mark Weiser, John Witfield
Managing Digital Forensic Knowledge An Applied Approach, David P. Biros, Mark Weiser, John Witfield
Australian Digital Forensics Conference
The science of digital forensics is continually changing as technological advances are made and new digital devices are developed. This environment forces analysts to regularly extend their skills with training and frequent research to develop new and admissible techniques. Unfortunately, the same and similar methods are re-discovered by other analysts who are unaware of earlier peer efforts. The situation is aggravated by a nearly universal backlog in qualified digital forensics facilities. This leaves little time for communication between analysts even within a single agency. To address these issues and facilitate an increase in efficiency across all law enforcement agencies, we …
Adsl Router Forensics Part 1: An Introduction To A New Source Of Electronic Evidence, Patryk Szewczyk
Adsl Router Forensics Part 1: An Introduction To A New Source Of Electronic Evidence, Patryk Szewczyk
Australian Digital Forensics Conference
Currently there appears to be a lack of research in the area of developing tools, testing methodologies, and creating standards for ADSL router forensics. The paper examines a wide range of literature and introduces the concept of ADSL router forensics as a new and potential field of research for digital forensics investigators. It begins by examining why there is a need for router forensics by detailing some of the more common threats which consumers may experience while online. An outline will be provided discussing the feasibility, limitations and potential risks of router forensics. The paper will then examine one possible …
An Examination Of The Asus Wl-Hdd 2.5 As A Nepenthes Malware Collector, Patryk Szewczyk
An Examination Of The Asus Wl-Hdd 2.5 As A Nepenthes Malware Collector, Patryk Szewczyk
Australian Digital Forensics Conference
The Linksys WRT54g has been used as a host for network forensics tools for instance Snort for a long period of time. Whilst large corporations are already utilising network forensic tools, this paper demonstrates that it is quite feasible for a non-security specialist to track and capture malicious network traffic. This paper introduces the Asus Wireless Hard disk as a replacement for the popular Linksys WRT54g. Firstly, the Linksys router will be introduced detailing some of the research that was undertaken on the device over the years amongst the security community. It then briefly discusses malicious software and the impact …
A Proof-Of-Concept Project For Utilizing U3 Technology In Incident Response, Marwan Al-Zarouni, Haitham Al-Hajri
A Proof-Of-Concept Project For Utilizing U3 Technology In Incident Response, Marwan Al-Zarouni, Haitham Al-Hajri
Australian Digital Forensics Conference
This paper discusses the importance of live forensics and the use of an automated USB based smart data gathering technology to be used in incident response. The paper introduces the technology and its application in incidence response as well as highlight how it works. It also explains the tools that it uses to gather the live data from target systems. The paper also highlights some of the advantages and disadvantages of the technology as will as its limitations. The paper concludes with mentioning the importance of testing the tool and ways it can be developed and taken further.
Tracing Usb Device Artefacts On Windows Xp Operating System For Forensic Purpose, Victor Chileshe Luo
Tracing Usb Device Artefacts On Windows Xp Operating System For Forensic Purpose, Victor Chileshe Luo
Australian Digital Forensics Conference
On Windows systems several identifiers are created when a USB device is plugged into a universal serial bus. Some of these artefacts or identifiers are unique to the device and consistent across different Windows platforms as well as other operating systems such as Linux. Another key factor that makes these identifiers forensically important is the fact that they are traceable even after the system has been shut down. Hence they can be used in forensic investigations to identify specific devices that have been connected to the system in question