Amol Sarwate is the Director of Vulnerability Labs at Qualys.
Leased lines are recurring costs throughout the power grid.
Since the discovery of Stuxnet, industrial control systems (ICS) and supervisory control and data acquisition (SCADA) networks have received a fair share of attention from researchers and attackers alike.
New research from Belden shows that patching is often ineffective in providing protection from the multitude of vulnerability disclosures and malware targeting critical infrastructure systems today.
Critical national infrastructure that includes the national power grid, waters supplies, natural gas and other utility networks all have SCADA - Supervisory Control and Data Acquisition - at the heart of their control systems.
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