
Microsoft Corporation is an American multinational computer technology corporation . Microsoft develops, manufactures, licenses, and supports a wide range of software products for computing devices. [ Microsoft's best-selling products are the Microsoft Windows operating system and the Microsoft Office suite of productivity software. These products have prominent positions in their respective markets; with market share estimates as high as 90% or more for Microsoft Windows.
VMWare, Inc. is a provider of virtualization solutions from the desktop to the data center. The company’s suite of virtualization solutions addresses a range of information technology (IT) problems that include infrastructure optimization, business continuity, software lifecycle management and desktop management. It offers a portfolio of products in two main categories: virtualization platforms, which includes a hypervisor for system partitioning that provides the capability to run multiple operating systems simultaneously on the same physical machine, and virtual infrastructure automation and management, which utilize the benefits of its virtualization platforms to automate system infrastructure services, such as resource management, availability, mobility and security.
ESET, Inc. is an IT security company that provides the fastest, most effective and most proactive antivirus and antispyware solution to eliminate viruses, spyware, adware, worms, trojans, rootkits and other malware before they attack your system. Nobody does proactive protection better than ESET. NOD32 is an antivirus package made by ESET with versions available for Microsoft Windows , Linux , FreeBSD , and other platforms. The NOD32 Remote Administrator program allows a network administrator to monitor anti-virus functions, push installations and upgrades to unprotected PCs on the network, and update configuration files from a central location, as well as centralizing the distribution of signatures.

Dell Inc. is a multinational company based in Round Rock, Texas which develops, manufactures, sells, and supports personal computers , servers , data storage devices , network switches , software , televisions , computer peripherals , and other technology -related products. As of 2008 , Dell employed more than 95,000 people worldwide.

Postini Inc. is the global leader in on-demand solutions that deliver on the promise of communication security and compliance. Postini is consistently rated as the top message security vendor in independent magazine, test lab, and analyst reviews. Postini processes more messages each day than all other managed security service providers combined, so you can be assured your organization is secure, compliant, and productive.

Cisco Systems, Inc. is a multinational corporation headquartered in San Jose, California . Cisco designs and sells networking and communications technology and services under five brands, namely Cisco, Linksys , WebEx , IronPort , and Scientific Atlanta.
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