A security researcher says he found a flaw in a traffic light controller that would potentially allow malicious hackers to change the lights and create traffic jams. Andrew Lemon, a researcher at ...

Cheap and speedy “rollup” networks like Arbitrum, Optimism and Coinbase’s Base are quickly becoming attractive alternatives to conducting transactions on the oft-congested Ethereum network.

A cybersecurity researcher has exposed a critical vulnerability in a traffic light controller that could allow attackers to disrupt traffic flow and potentially create gridlock. Traffic controllers ...