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A root of trust provides trusted functions that higher-level device services can use to ensure security. “To implement this, the robot and the remote doctor’s controller should have strong, secret credentials protected within a hardware root of trust. “The confidentiality and integrity of crucial control and telemetry signals sent over a network link should always be protected with strong end-to-end mutual authentication between devices,” said Mark Knight, director, architecture product management at Arm. Those breaches also raise privacy concerns, and the less secure the networks - which is a problem with surgeries performed remotely for rural areas - the greater those concerns. However, an attacker who knows those weaknesses, and who can combine them for malicious ends, can exploit them.” There are weaknesses in the product that do not impede normal operation.

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Embedded systems software is increasingly complex, and we know that devices typically contain hundreds of vulnerabilities. Indeed, a strong design mitigates attacks that exploit limitations of the technology, but an even bigger threat is in the implementation. But while 5G technology is designed for security, this covers only part of the risk. “This technology offers low latency and high reliability and is suitable to remotely control RAS. “This is where 5G comes into play,” Witteman said. While much of this equipment is still used for on-site surgeries, it can be used remotely.

Or even more advanced, suppose the procedure is hijacked and deliberately made to mal-perform.” Imagine that your urgent medical procedure halts due to a hacker-invoked system crash. “But as with all connected devices there is a security risk, which has recently become apparent in the many ransomware attacks. They allow for more precision and less-invasive operations, exceeding the capabilities of traditional surgery, said Marc Witteman, CEO of Riscure. “Robotic surgery systems have developed into a mainstream tool for hospitals. But these machines also are increasingly connected to the internet - either directly or through some other network - and this is where many problems begin. The technology often includes a variety of processing elements and sensors, built on architectures capable of crunching massive amounts of data and providing real-time feedback to surgeons and their support teams. Robotic-assisted surgery (RAS) has around for a couple decades, but it is becoming more prevalent and significantly more complex. In the operating room, every second is critical, and technology failures or delays can be life-threatening. As robotic-assisted surgery moves into the mainstream, so do concerns about security breaches, latency, and system performance.

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