Catching Hackers in the Act

Catching Hackers in the Act
Vulnerable infrastructure systems such as power generation and traffic control may have a new weapon in the war against malicious hackers.

Researchers have discovered a new technique that could automatically identify when a system was under attack and trigger an automatic shutdown.

The concept involves "watermarking" data during transmission, a technique that can show when data is being tampered with in real-time. A specialized signal is transmitted at the same time as the data, similar to "background noise" so that monitors can detect any disruptions and take immediate action.

Catching Hackers in the Act

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