Using Tofino to Control Stuxnet

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.

Downloadable PDF Data sheet for the Modbus TCP Enforcer - describes features and benefits for modbus security Using Tofino to Control the Spread of the Stuxnet Malware - Application Note (485 kb)

Related Links

Stuxnet Central - a hub for the information that Byres Security has created regarding Stuxnet, along with links to key industry materials

Tofino Industrial Security Solution Product Information

Full Description of Application Note

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.

Rapid spreading via Local Area Network communications is one of the pathways that Stuxnet uses to infect other computers.  Security experts generally agree that 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 in both Siemens and non-Siemens network environments.