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Virtualization Security PDF Author: Dave Shackleford
Publisher: John Wiley & Sons
ISBN: 1118331516
Category : Computers
Languages : en
Pages : 360

Book Description
Securing virtual environments for VMware, Citrix, and Microsoft hypervisors Virtualization changes the playing field when it comes to security. There are new attack vectors, new operational patterns and complexity, and changes in IT architecture and deployment life cycles. What's more, the technologies, best practices, and strategies used for securing physical environments do not provide sufficient protection for virtual environments. This book includes step-by-step configurations for the security controls that come with the three leading hypervisor--VMware vSphere and ESXi, Microsoft Hyper-V on Windows Server 2008, and Citrix XenServer. Includes strategy for securely implementing network policies and integrating virtual networks into the existing physical infrastructure Discusses vSphere and Hyper-V native virtual switches as well as the Cisco Nexus 1000v and Open vSwitch switches Offers effective practices for securing virtual machines without creating additional operational overhead for administrators Contains methods for integrating virtualization into existing workflows and creating new policies and processes for change and configuration management so that virtualization can help make these critical operations processes more effective This must-have resource offers tips and tricks for improving disaster recovery and business continuity, security-specific scripts, and examples of how Virtual Desktop Infrastructure benefits security.

Virtualization Security

Virtualization Security PDF Author: Dave Shackleford
Publisher: John Wiley & Sons
ISBN: 1118331516
Category : Computers
Languages : en
Pages : 360

Book Description
Securing virtual environments for VMware, Citrix, and Microsoft hypervisors Virtualization changes the playing field when it comes to security. There are new attack vectors, new operational patterns and complexity, and changes in IT architecture and deployment life cycles. What's more, the technologies, best practices, and strategies used for securing physical environments do not provide sufficient protection for virtual environments. This book includes step-by-step configurations for the security controls that come with the three leading hypervisor--VMware vSphere and ESXi, Microsoft Hyper-V on Windows Server 2008, and Citrix XenServer. Includes strategy for securely implementing network policies and integrating virtual networks into the existing physical infrastructure Discusses vSphere and Hyper-V native virtual switches as well as the Cisco Nexus 1000v and Open vSwitch switches Offers effective practices for securing virtual machines without creating additional operational overhead for administrators Contains methods for integrating virtualization into existing workflows and creating new policies and processes for change and configuration management so that virtualization can help make these critical operations processes more effective This must-have resource offers tips and tricks for improving disaster recovery and business continuity, security-specific scripts, and examples of how Virtual Desktop Infrastructure benefits security.

Guide to Security for Full Virtualization Technologies

Guide to Security for Full Virtualization Technologies PDF Author:
Publisher: DIANE Publishing
ISBN: 1437981178
Category :
Languages : en
Pages :

Book Description


Security in Network Functions Virtualization

Security in Network Functions Virtualization PDF Author: Zonghua Zhang
Publisher: Elsevier
ISBN: 0081023715
Category : Computers
Languages : en
Pages : 272

Book Description
The software and networking industry is experiencing a rapid development and deployment of Network Functions Visualization (NFV) technology, in both enterprise and cloud data center networks. One of the primary reasons for this technological trend is that NFV has the capability to reduce CAPEX and OPEX, whilst increasing networking service efficiency, performance, agility, scalability, and resource utilization. Despite such well-recognized benefits, security remains a major concern of network service providers and seriously impedes the further expansion of NFV. This book is therefore dedicated to investigating and exploring the potential security issues of NFV. It contains three major elements: a thorough overview of the NFV framework and architecture, a comprehensive threat analysis aiming to establish a layer-specific threat taxonomy for NFV enabled networking services, and a series of comparative studies of security best practices in traditional networking scenarios and in NFV, ultimately leading to a set of recommendations on security countermeasures in NFV. This book is primarily intended for engineers, engineering students and researchers and those with an interest in the field of networks and telecommunications (architectures, protocols, services) in general, and particularly software-defined network (SDN) and network functions virtualization (NFV)-based security services. Extensively studies security issues in NFV Presents a basis or guideline for both academia researchers and industry practitioners to work together to achieve secure and dependable lifecycle management of NFV based network services

Security Issues in Hardware Virtualization

Security Issues in Hardware Virtualization PDF Author: Samuel Hopstock
Publisher: GRIN Verlag
ISBN: 3346262154
Category : Computers
Languages : en
Pages : 13

Book Description
Seminar paper from the year 2020 in the subject Computer Science - IT-Security, grade: 1,3, Technical University of Munich (Department of Informatics), course: Seminar Securing the Linux Kernel - Features and Attack Vectors, language: English, abstract: Hardware virtualization is the core concept behind the huge success of cloud computing in the last years. Effective isolation among different virtual machines running on the same host is promised, as well as isolation from the operating system that might be present on the host itself. These barriers are necessary, as cloud computing may create a situation where both provider and customer do not trust each other: The provider wants to keep full control over their expensive server hardware and the customer may want to process sensitive data inside their virtual machine that neither the provider nor other customers are allowed to see. As such, there are several attacker models to be considered in this context, both customers and hosting providers wanting to take control over other virtual machines or the physical server itself. In this paper, we consider attacks for each of the attacker models, as well as possible mitigations. In the end, we will find that while preventing VM escapes only really depends on having secure hypervisor implementations, efforts to protect the VM from the host itself are still rather flawed.

Paradigms for Virtualization Based Host Security

Paradigms for Virtualization Based Host Security PDF Author: Tal Simeon Garfinkel
Publisher: Stanford University
ISBN:
Category :
Languages : en
Pages : 143

Book Description
Virtualization has been one of the most potent forces reshaping the landscape of systems software in the last 10 years and has become ubiquitous in the realm of enterprise compute infrastructure and in the emerging field of cloud computing. This presents a variety of new opportunities when designing host based security architectures. We present several paradigms for enhancing host security leveraging the new capabilities afforded by virtualization. First, we present a virtualization based approach to trusted computing. This allows multiple virtual hosts with different assurance levels to run concurrently on the same platform using a novel "open box" and "closed box" model that allows the virtualized platform to present the best properties of traditional open and closed platforms on a single physical platform. Next, we present virtual machine introspection, an approach to enhancing the attack resistance intrusion detection and prevention systems by moving them "out of the box" i.e. out of the virtual host they are monitoring and into a seperate protection domain where they can inspect the host they are monitoring from a more protected vantage point. Finally, we present overshadow data protection, an approach for providing a last line of defense for application data even if the guest OS running an application has been compromised. We accomplish this by presenting two views of virtual memory, an encrypted view to the operating system and a plain text view to the application the owning that memory. This approach more generally illustrates the mechanisms necessary to introduce new orthogonal protection mechanisms into a Guest Operating system from the virtualization layer while maintaining backwards compatibility with existing operating systems and applications.

Fedora 13 Virtualization Guide

Fedora 13 Virtualization Guide PDF Author: Fedora Documentation Project
Publisher: Fultus Corporation
ISBN: 1596822163
Category : Computers
Languages : en
Pages : 269

Book Description


Virtualization for Security

Virtualization for Security PDF Author: John Hoopes
Publisher: Syngress
ISBN: 0080879357
Category : Computers
Languages : en
Pages : 384

Book Description
One of the biggest buzzwords in the IT industry for the past few years, virtualization has matured into a practical requirement for many best-practice business scenarios, becoming an invaluable tool for security professionals at companies of every size. In addition to saving time and other resources, virtualization affords unprecedented means for intrusion and malware detection, prevention, recovery, and analysis. Taking a practical approach in a growing market underserved by books, this hands-on title is the first to combine in one place the most important and sought-after uses of virtualization for enhanced security, including sandboxing, disaster recovery and high availability, forensic analysis, and honeypotting. Already gaining buzz and traction in actual usage at an impressive rate, Gartner research indicates that virtualization will be the most significant trend in IT infrastructure and operations over the next four years. A recent report by IT research firm IDC predicts the virtualization services market will grow from $5.5 billion in 2006 to $11.7 billion in 2011. With this growth in adoption, becoming increasingly common even for small and midsize businesses, security is becoming a much more serious concern, both in terms of how to secure virtualization and how virtualization can serve critical security objectives. Titles exist and are on the way to fill the need for securing virtualization, but security professionals do not yet have a book outlining the many security applications of virtualization that will become increasingly important in their job requirements. This book is the first to fill that need, covering tactics such as isolating a virtual environment on the desktop for application testing, creating virtualized storage solutions for immediate disaster recovery and high availability across a network, migrating physical systems to virtual systems for analysis, and creating complete virtual systems to entice hackers and expose potential threats to actual production systems. About the Technologies A sandbox is an isolated environment created to run and test applications that might be a security risk. Recovering a compromised system is as easy as restarting the virtual machine to revert to the point before failure. Employing virtualization on actual production systems, rather than just test environments, yields similar benefits for disaster recovery and high availability. While traditional disaster recovery methods require time-consuming reinstallation of the operating system and applications before restoring data, backing up to a virtual machine makes the recovery process much easier, faster, and efficient. The virtual machine can be restored to same physical machine or an entirely different machine if the original machine has experienced irreparable hardware failure. Decreased downtime translates into higher availability of the system and increased productivity in the enterprise. Virtualization has been used for years in the field of forensic analysis, but new tools, techniques, and automation capabilities are making it an increasingly important tool. By means of virtualization, an investigator can create an exact working copy of a physical computer on another machine, including hidden or encrypted partitions, without altering any data, allowing complete access for analysis. The investigator can also take a live ?snapshot? to review or freeze the target computer at any point in time, before an attacker has a chance to cover his tracks or inflict further damage.

Health 4.0: How Virtualization and Big Data are Revolutionizing Healthcare

Health 4.0: How Virtualization and Big Data are Revolutionizing Healthcare PDF Author: Christoph Thuemmler
Publisher: Springer
ISBN: 3319476173
Category : Technology & Engineering
Languages : en
Pages : 254

Book Description
This book describes how the creation of new digital services—through vertical and horizontal integration of data coming from sensors on top of existing legacy systems—that has already had a major impact on industry is now extending to healthcare. The book describes the fourth industrial revolution (i.e. Health 4.0), which is based on virtualization and service aggregation. It shows how sensors, embedded systems, and cyber-physical systems are fundamentally changing the way industrial processes work, their business models, and how we consume, while also affecting the health and care domains. Chapters describe the technology behind the shift of point of care to point of need and away from hospitals and institutions; how care will be delivered virtually outside hospitals; that services will be tailored to individuals rather than being designed as statistical averages; that data analytics will be used to help patients to manage their chronic conditions with help of smart devices; and that pharmaceuticals will be interactive to help prevent adverse reactions. The topics presented will have an impact on a variety of healthcare stakeholders in a continuously global and hyper-connected world. · Presents explanations of emerging topics as they relate to e-health, such as Industry 4.0, Precision Medicine, Mobile Health, 5G, Big Data, and Cyber-physical systems; · Provides overviews of technologies in addition to possible application scenarios and market conditions; · Features comprehensive demographic and statistic coverage of Health 4.0 presented in a graphical manner.

Reduce Risk and Improve Security on IBM Mainframes: Volume 1 Architecture and Platform Security

Reduce Risk and Improve Security on IBM Mainframes: Volume 1 Architecture and Platform Security PDF Author: Axel Buecker
Publisher: IBM Redbooks
ISBN: 0738440108
Category : Computers
Languages : en
Pages : 324

Book Description
This IBM® Redbooks® publication documents the strength and value of the IBM security strategy with IBM System z® hardware and software. In an age of increasing security consciousness, IBM System z provides the capabilities to address the needs of today's business security challenges. This publication explores how System z hardware is designed to provide integrity, process isolation, and cryptographic capability to help address security requirements. This book highlights the features of IBM z/OS® and other operating systems, which offer various customizable security elements under the Security Server and Communication Server components. This book describes z/OS and other operating systems and additional software that leverage the building blocks of System z hardware to provide solutions to business security needs. This publication's intended audience is technical architects, planners, and managers who are interested in exploring how the security design and features of System z, the z/OS operating system, and associated software address current issues, such as data encryption, authentication, authorization, network security, auditing, ease of security administration, and monitoring.

Encyclopedia of Cryptography and Security

Encyclopedia of Cryptography and Security PDF Author: Henk C.A. van Tilborg
Publisher: Springer Science & Business Media
ISBN: 144195905X
Category : Computers
Languages : en
Pages : 1457

Book Description
This comprehensive encyclopedia provides easy access to information on all aspects of cryptography and security. The work is intended for students, researchers and practitioners who need a quick and authoritative reference to areas like data protection, network security, operating systems security, and more.