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The experience starts as a character driven journey of discovery, but as it unfolds it evolves into something altogether more punishing. The Palace studies everything you do, everything you are, to use it against you. Gameplay revolves around stealth, action and manipulation, as you face off against the ultimate enemy: Yourself. So the way you play the game shapes your enemy. If you sprint, soon the Echoes will get faster. If you sneak, they will get stealthier.

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If you shoot, they will learn to shoot back. The game constantly reacts to your every choice and input. This blackout-cycle is the rhythm at which the Echoes get updated with your latest behavior, learning and unlearning from your actions. During the blackout the palace is blind, giving you the freedom to act without consequence. The experience is one of being up against your own choices from the last blackout-cycle, giving you a way of shaping the game from cycle to cycle.

So no matter if you prefer to go stealth or action one thing is certain, you need to keep your wits about you if you want to survive the Palace. The game starts as a narrative experience, focused on En and her journey into the Palace and her past. Who is she and what is her connection to the Palace? Who is this man that she needs to revive, and what was the circumstances surrounding his death?

Slowly these things are uncovered as she descends into the dark halls below. All rights reserved. See all. View all.


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This defaults to your Review Score Setting. Read more about it in the blog post. Excluding Off-topic Review Activity. Loading reviews There are no more reviews that match the filters set above. For even more stealth, the researchers suggest that a voice-assistant hacker could use an infrared laser, which would be invisible to the naked eye.

They tested an infrared laser and found that it worked to control Echo and Google Home speakers at close range, but didn't try longer ranges for fear of burning or blinding someone. And while voice assistants typically give an audible response, a hacker could send an initial command that turns the volume down to zero.

While they haven't tested this specifically, the researchers also suggest that an attacker could use light commands to trigger Amazon's "whisper mode," which allows a user to speak commands and receive answers in a hushed tone. When it comes to the actual physics of a microphone interpreting light as sound, the researchers had a surprising answer: They don't know. In fact, in the interest of scientific rigor, they refused to even speculate about what photoacoustic mechanics caused their light-as-speech effect.

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But at least two different physical mechanisms might be producing the vibrations that make the light commands possible, says Paul Horowitz, a professor emeritus of physics and electrical engineering at Harvard and the co-author of The Art of Electronics. First, a pulse of laser light would heat up the microphone's diaphragm, which would expand the air around it and create a bump in pressure just as sound would.

Alternately, Horowitz posits that if the components of the target devices aren't fully opaque, the laser's light may get past the microphone and directly hit the electronic chip that interprets its vibrations into an electrical signal. Horowitz says this could result in the same photovoltaic effect that occurs in diodes in solar cells and at the ends of fiberoptic cables, turning light into electricity or electrical signals.

He says this could easily cause the laser to be processed as a voice command. The potential havoc encompasses everything from triggering smart home controls like door locks and thermostats to remotely unlocking cars. Protecting our users is paramount, and we're always looking at ways to improve the security of our devices. An Amazon spokesperson wrote in a statement that "we are reviewing this research and continue to engage with the authors to understand more about their work.

Some devices do offer authentication protections that might foil a laser-wielding hacker. And the researchers acknowledge that for most smartphone voice assistants, the "wake words" that begin a voice command must be spoken in the voice of the phone's owner, which makes their laser attack far more difficult to pull off. But they note that an attacker who obtains or reconstructs just those words—like "hey Siri" or "OK Google" could then "speak" those words in the target user's own voice as the preamble to their voice commands.

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Hackers Can Use Lasers to ‘Speak’ to Your Amazon Echo or Google Home | WIRED

Smart speakers like the Echo and Google Home, however, have none of that voice authentication. And given the physical nature of the vulnerability, no software update may be able to fix it. But the researchers do suggest some less-than-ideal patches, such as requiring a spoken PIN number before voice assistants carry out the most sensitive commands.

They also suggest future tweaks to the devices designs to protect them from their attack, such as building light shielding around the microphone, or listening for voice commands from two different microphones on opposite sides of the device, which might be tough to hit simultaneously with a laser. If they can so much as see your Echo or Google Home through a window, they can talk to it too. Adrienne So. Brett Berk. Nicholas Thompson.

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