Internet-connected devices and systems are making buildings more efficient but also vulnerable to cyberattacks. A major concern is that hackers could gain entry into a single building-management system and then access other systems. "They can control lights, they can control air flow, they can control the elevators — anything that you can think that a building does can be exposed," says Fred Gordy of Intelligent Buildings.
Hackers also could gain access to a company's proprietary information if they get into its corporate communications and databases. Hackers often gain initial access using stolen login credentials, then create phishing emails that help them obtain login information for other systems.
While cybersecurity experts recommend network segmentation as a safeguard, such as strategy requires skilled network engineers and significant time and effort. Another recommendation is requiring multifactor authentication to access any part of a company's network.
From The Wall Street Journal
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