Results 91 to 100 of about 6,008 (253)

Variable Stiffness Flexure Structures Enabled by Phase‐Change Gallium and Adhesive Interfacial Locking for Soft Robotic Applications

open access: yesAdvanced Engineering Materials, EarlyView.
A flexure‐based variable stiffness structure is developed by integrating phase‐change modulation and adhesive interfacial locking of gallium. The design enables a wide stiffness variability, transitioning from soft, flexible behavior to rigid, load‐supporting performance.
Sungjin Kim   +2 more
wiley   +1 more source

An Improved Approach to DNS Covert Channel Detection Based on DBM-ENSec

open access: yesFuture Internet
The covert nature of DNS covert channels makes them a widely utilized method for data exfiltration by malicious attackers. In response to this challenge, the present study proposes a detection methodology for DNS covert channels that employs a Deep ...
Xinyu Li   +6 more
doaj   +1 more source

Covert Channels with Transducers

open access: yes, 2009
International audienceCovert channels represent a security problem for information systems, since they permit illegal flows and sometimes leaks of classified data.
Bérard, Béatrice   +5 more
core  

Tailored Hierarchical Porous Copper Architectures via Three Dimensional Printing and Pressure‐less Sintering for Next‐Generation Lithium‐Metal Batteries

open access: yesAdvanced Engineering Materials, EarlyView.
A hierarchical porous copper current collector is fabricated via three‐dimensional printing combined with pressureless sintering to stabilize lithium metal anodes. The interconnected architecture lowers local current density, guides uniform Li deposition within pores, and suppresses dendrite growth.
Alok Kumar Mishra, Mukul Shukla
wiley   +1 more source

Protokollwechsel zur Realisierung von Covert Channels und Header-Strukturveränderungen zur Vermeidung von Covert Channels

open access: yes, 2009
Diese Diplomarbeit befasst sich mit mehreren Unterthemen der verdeckten Kommunikationskanäle (Covert Channels) und möchte vor allen Dingen neue Themen vorstellen und diskutieren: Erstmalige und detaillierte Behandlung von Protocol Hopping Covert Channels:
Wendzel, Steffen
core  

Note Regarding Covert Channels [PDF]

open access: yes, 2004
This note presents an overview of some abstract concepts regarding covert channels. It discusses primary means of synchronization and illicit interference between subjects in a multilevel computing environment, and it describes a detailed laboratory ...
Clark, Paul C.   +3 more
core   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal   +2 more
wiley   +1 more source

The Technique to Prevent the Data Leakage using Covert Channels

open access: yesБезопасность информационных технологий, 2013
The purpose of the article was to analyze technique to prevent information leakage using covert channels. The main steps are as follows: involving covert channels identification, data throughput estimation, its elimination or limitation, audit and ...
Anna Vasilievna Arkhangelskaya   +1 more
doaj  

Evaluating Energy Absorption Performance of Filled Lattice Structures

open access: yesAdvanced Engineering Materials, EarlyView.
Maximum stress must be considered to robustly evaluate energy absorber designs. This approach was applied to compare all types of absorbers in a single Ashby diagram and determine the utility of filling lattice voids with a second material. High‐performance fillers can improve the performance of lattices that are limited by buckling or catastrophic ...
Christian Bonney   +2 more
wiley   +1 more source

Project Report: Analysis and Detection of Network Covert Channels

open access: yes, 2005
Covert channels are mechanisms for communicating information secretly. A network covert channel is a mechanism that can be used to leak information across a network in violation of a security policy.
Sweety Chauhan
core  

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