IT Governance, Risk, and Compliance:

OS


October 27, 2012  2:18 AM

Essential Operating System Protection Mechanisms – Part VI



Posted by: Robert Davis
Central Processing Unit, Configuration Management, Control Techniques, IAP, ICT, Information Communication Technology, Information Security, Information Security Infrastructure Management, Infrastructure Management, IT Configuration, IT Controls, IT Infrastructure, IT Security Infrastructure, Logical Security, Operational Level Agreement, OS, Risk Management, Risk Mitigation

Sustaining information integrity requires operating system protection Usually, IT network environments orchestrate direction and control through an operating system installed to coordinate processes; including application software. In other words, an operating system performs...

October 25, 2012  3:31 AM

Essential Operating System Protection Mechanisms – Part V



Posted by: Robert Davis
Central Processing Unit, Configuration Management, Control Techniques, IAP, ICT, Information Communication Technology, Information Security, Information Security Infrastructure Management, Infrastructure Management, IT Configuration, IT Controls, IT Infrastructure, IT Security Infrastructure, Logical Security, Operational Level Agreement, OS, Risk Management, Risk Mitigation

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October 20, 2012  12:44 AM

Essential Operating System Protection Mechanisms – Part IV



Posted by: Robert Davis
Central Processing Unit, Configuration Management, Control Techniques, IAP, ICT, Information Communication Technology, Information Security, Information Security Infrastructure Management, Infrastructure Management, IT Configuration, IT Controls, IT Infrastructure, IT Security Infrastructure, Logical Security, Operational Level Agreement, OS, Risk Management, Risk Mitigation

Preventing infinite program loops Processor protection deters infinite program loops that could affect availability. Inserting a timer prevents programs from being stuck in infinite loops, and never returning control to the operating system. The operating system timer...


October 18, 2012  1:18 AM

Essential Operating System Protection Mechanisms – Part III



Posted by: Robert Davis
Central Processing Unit, Configuration Management, Control Techniques, IAP, ICT, Information Communication Technology, Information Security, Information Security Infrastructure Management, IT Configuration, IT Controls, IT Infrastructure, IT Security, IT Security Infrastructure, Logical Security, Operational Level Agreement, OS, Risk Management, Risk Mitigation

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October 13, 2012  12:40 AM

Essential Operating System Protection Mechanisms – Part II



Posted by: Robert Davis
Central Processing Unit, Configuration Management, Control Techniques, IAP, ICT, Information Communication Technology, Information Security, Information Security Infrastructure Management, Infrastructure Management, IT Configuration, IT Controls, IT Infrastructure, IT Security, IT Security Infrastructure, Logical Security, Operational Level Agreement, OS, Risk Management, Risk Mitigation

Deployable operating system protection mechanisms In most instances, the purpose of operating system protection mechanisms are to prevent programs from interfering with each other during processing and to ensure there are no errors in referencing of subroutines in the program...


October 11, 2012  12:39 PM

Essential Operating System Protection Mechanisms – Part I



Posted by: Robert Davis
BYOD, Central Processing Unit, Configuration Management, Control Techniques, IAP, Information Communication Technology, Information Security, Information Security Infrastructure Management, Infrastructure Management, IT Configuration, IT Controls, IT Infrastructure, IT Security, IT Security Infrastructure, Logical Security, Operational Level Agreement, OS, Risk Management, Risk Mitigation

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March 8, 2011  8:41 PM

Managing the Growth and Impact of Virtual Machines and Memory – Part VIII



Posted by: Robert Davis
Availability, Demand Paging, Demand Segmentation, Hypervisor, IT Configuration, IT Service Delivery, Multiprocessing, Multiprogramming, Operating System, OS, Virtual Machine, Virtual Machine Monitor, Virtual Memory, VM, VMM

Given the proliferation of available hardware and software products that enable capitalizing on benefits associated with IT virtualization, when IT employees fail to perform effective configuration management; potential threats to the IT architecture are significantly increased. Besides managing...


March 4, 2011  6:42 PM

Managing the Growth and Impact of Virtual Machines and Memory – Part VII



Posted by: Robert Davis
Availability, Demand Paging, Demand Segmentation, Hypervisor, IT Configuration, IT Service Delivery, Multiprocessing, Multiprogramming, Operating System, OS, Virtual Machine, Virtual Machine Monitor, Virtual Memory, VM, VMM

As with any IT architecture item, to address the entity’s processing needs, virtual machines require execution of effective configuration management....


March 1, 2011  4:21 PM

Managing the Growth and Impact of Virtual Machines and Memory – Part VI



Posted by: Robert Davis
Availability, Demand Paging, Demand Segmentation, Hypervisor, IT Configuration, IT Service Delivery, Multiprocessing, Multiprogramming, Operating System, OS, Virtual Machine, Virtual Machine Monitor, Virtual Memory, VM, VMM

Though a process virtual machine can be considered an application-orientated system virtual machine; process virtual machine uniqueness resides in the provisioning of “a platform-independent programming environment...


February 25, 2011  5:47 PM

Managing the Growth and Impact of Virtual Machines and Memory – Part V



Posted by: Robert Davis
Availability, Demand Paging, Demand Segmentation, Hypervisor, IT Configuration, IT Service Delivery, Multiprocessing, Multiprogramming, Operating System, OS, Virtual Machine, Virtual Machine Monitor, Virtual Memory, VM, VMM

Derived from virtual memory concepts, virtual machines are a distinct IT configuration class. Under the virtual machine class, a ‘system virtual machine’ represents one physical unit subdivided so each of...


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