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Internet Exposure, Flaws Put Industrial Safety Controllers at Risk of Attacks

SINGAPORE — SECURITYWEEK 2018 ICS CYBER SECURITY CONFERENCE | SINGAPORE —Researchers have discovered a potentially serious vulnerability in industrial safety controllers and a significant number of the impacted devices are directly exposed to the Internet, making it easy for malicious actors to launch attacks and possibly cause damage.

Safety systems are designed to prevent incidents in industrial environments by restoring processes to a safe state or shut them down if parameters indicate a potentially hazardous situation. While these devices play an important role in ensuring physical safety, they can and have been targeted by malicious hackers. The best example is the Triton/Trisis/Hatman attack, which leveraged a zero-day vulnerability in Schneider Electric’s Triconex Safety Instrumented System (SIS) controllers.

Researchers at industrial cybersecurity firm Applied Risk have analyzed safety controllers from several major vendors, including Siemens, ABB, Rockwell...(continued)

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