Testing for Security

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Last summer was a watershed event for security-consciousness in the embedded systems world: Stuxnet, a highly sophisticated worm exploited no fewer than 4 zero day vulnerabilities in Windows in order to attack a specific Siemens PLC and its associated SCADA system. The target was reportedly the Iranian nuclear facilities at Natanz, where uranium-enrichment centrifuges were taken out of commission by the worm’s malicious payload. It was perhaps not the first, but certainly the most well-publicized successful attack on critical infrastructure systems.

The software security industry has been discussing such an attack for years, mostly as a theoretical possibility – but now it appears this is no longer the stuff that Hollywood scripts are made of – it is all too real.

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