After first denying their existence, a Siemens spokesman acknowledged on Thursday that his company was aware of a series of security vulnerabilities in its software that could allow remote attackers to take control of industrial control systems.
Siemens said on Tuesday that it is working with the U.S. Department of Homeland Security to investigate a cyber intrusion into a water treatment plant in South Houston, Texas, but couldn’t confirm that a default, three digit password hard coded into an application used to control the company’s SCADA software played a role.
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