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Citrix ICA Client – What Leaks?

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Citrix ICA Client – What Leaks?
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A common question I receive as Security Product Manager for XenApp and XenDesktop is “what information is left behind after the Citrix ICA client executes?” This happens most often for PCI DSS and HIPAA audits and the question is normally one of audit “scope.”The answer is that no screen or keyboard data is ever written to persistent endpoint storage

This post describes in detail the small bits of information that are written to the endpoint and describes the technique for reproducing the study.

PCI DSS and HIPAA with XenApp and XenDesktopRunning applications on hosted XenApp and XenDesktop machines, where only those data center resident hosted machines have

Running applications on hosted XenApp and XenDesktop machines, where only those data center resident hosted machines have vision to protected networks and databases and where end users have no network connection to databases, greatly reduces “scope”. The security assessment can focus on the potential areas of “high loss” and give lower focus to endpoint computers.The NetScaler Gateway Module ICA Proxy provides separation of networks and only ICA traffic makes it across the Gateway. The end user machine has no IP network connectivity to the host XenApp or XenDesktop computer and more importantly, the end user machine has no IP connectivity to the database server holding credit card or patient data. The ICA screen and keyboard data

The NetScaler Gateway Module ICA Proxy provides separation of networks and only ICA traffic makes it across the Gateway. The end user machine has no IP network connectivity to the host XenApp or XenDesktop computer and more importantly, the end user machine has no IP connectivity to the database server holding credit card or patient data. The ICA screen and keyboard data is wrapped inside TLS on its path to and from the gateway so there is little risk of exposure on the main corporate network. This is huge win for security.

Read the entire article here, Citrix ICA Client – What Leaks?

via the fine folks at Citrix Systems, Inc.

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Citrix Systems Citrix (NASDAQ:CTXS) aims to power a world where people, organizations and things are securely connected and accessible to make the extraordinary possible. Its technology makes the world’s apps and data secure and easy to access, empowering people to work anywhere and at any time. Citrix provides a complete and integrated portfolio of Workspace-as-a-Service, application delivery, virtualization, mobility, network delivery and file sharing solutions that enables IT to ensure critical systems are securely available to users via the cloud or on-premise and across any device or platform. With annual revenue in 2015 of $3.28 billion, Citrix solutions are in use by more than 400,000 organizations and over 100 million users globally. Learn more at www.citrix.com.

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