Tofino Security
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Using Tofino to Control Stuxnet
November 2010
Stuxnet is a computer worm designed to target one or more industrial systems that use Siemens PLCs. However, it is aggressive on all networks and can negatively affect any control system.
Stuxnet spreads rapidly using Local Area Network communications and one of the most effective ways to prevent this type of distribution is to make use of zone-based defenses.
This Application Note describes how to divide the control network into security zones and how to use the Tofino Industrial Security Solution to prevent the spread of the Stuxnet worm.
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Stuxnet Mitigation Matrix
October 2010
Stuxnet is a computer worm designed to take advantage of a number of previously unknown vulnerabilities present in the Windows operating system and Siemens SIMATIC WinCC, PCS7 and S7 PLS systems.
It takes advantage of numerous vulnerabilities in the Windows operating system and the Siemens product line. As a result, full mitigation requires multiple actions.
The Stuxnet Mitigation Matrix shows mitigation measures by Windows operating system and it includes dynamic links to detailed information on each of the patches and mitigations.
Media Coverage following the release of the Tofino OPC Enforcer firewall
September 2010
New Tofino® OPC Enforcer technology secures any system using classic OPC, the world’s most widely used industrial integration protocol.
Security breakthrough for OPC-based industrial automation
September 2010
News coverage following the release of the Tofino OPC Enforcer.
Eric Byres
