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Technology
Apple fighting back against quantum attacks with new security system for iMessage
Apple is giving iMessage a big security boost as the company looks to protect users from future quantum attacks, which are cyberattacks that use the power of quantum computers to break the encryption methods used by most online services today.
While hackers don’t have access to quantum computers just yet, the new upgrade takes away a potential avenue for them down the road. Apple is calling it “the most significant cryptographic security upgrade in iMessage history.”
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Message app on iPhone home screen (Kurt “CyberGuy” Knutsson)
What is PQ3?
PQ3 is Apple’s new encryption upgrade for iMessage to secure conversations. According to Apple, the upgrade provides level 3 security. iMessage currently uses level 1 protections.
Illustration showing level 1 cryptography (Apple) (Kurt “CyberGuy” Knutsson)
How does PQ3 work?
It uses special codes that are difficult for even quantum computers to break. These codes are constantly changing, making it even harder for anyone to intercept your messages. It works behind the scenes, so you don’t need to do anything to benefit from it.
Illustration showing level 3 post-quantum cryptography (Apple) (Kurt “CyberGuy” Knutsson)
PQ3 is set to roll out in beta versions of iOS 17.4, iPadOS 17.4, macOS 17.4 and watchOS 10.4 soon. Apple says the upgrade will roll out to all iOS devices by the end of the year.
Why is a new security measure needed?
Regular computers struggle to break the codes used in iMessage. However, powerful quantum computers, which are still under development, could potentially crack these codes. PQ3 protects your messages even if that happens.
While PQ3 is supposed to protect you from future hacks, it also provides a way to stop “harvest now, decrypt later” attacks. Although hackers usually want data or information they can use now, “harvest now, decrypt later” attacks steal your information now and will use a more advanced computer to decrypt it in the future.
What are the 3 major benefits of PQ3?
1) Stronger protection: It makes iMessage more secure against current and future threats.
2) Self-healing: If someone tries to steal your messages, PQ3 can automatically fix the problem and protect future messages.
3) No impact on message size: You won’t notice any difference in how quickly your messages are sent or received.
A woman messaging on her iPhone (Kurt “CyberGuy” Knutsson)
MORE: STOLEN DEVICE PROTECTION IN LATEST IOS 17.3 UPDATE PROTECTS YOUR IPHONE EVEN MORE FROM CROOKS
How to protect yourself from hackers
To prevent hackers from accessing your data now or in the future, you should take some precautions. Here are five tips to follow.
1) Keep your phone software updated
You’ll especially want to update your iPhone when iOS 17.4 is available to help protect you from quantum attacks. You should always keep your iPhone’s software and apps updated regularly as Apple releases patches for vulnerabilities as they are discovered. Updating your phones can also prevent hackers from exploiting security flaws.
2) Change your passwords
Change the passwords for all your online accounts, including your email, social media and banking accounts. Do not use easy-to-guess information such as your birthday or address. Use strong, unique passwords that are difficult to guess, preferably ones that are alphanumeric and, if applicable, include special symbols. Be sure to do this on another device in case there is malware monitoring you on your phone. Consider using a password manager to generate and store complex passwords. It will help you to create unique and difficult-to-crack passwords that a hacker could never guess.
3) Enable two-factor authentication
Enabling two-factor authentication on all your online accounts will add an extra layer of security to your accounts and make it more difficult for hackers to gain access.
4) Have good antivirus software on your phone
Having good antivirus software actively running on your devices will alert you of any malware in your system and warn you against clicking on any malicious links that may install malware on your devices, allowing hackers to gain access to your personal information. Find my review of Best Antivirus Protection here.
5) Watch your connections
When possible, do not connect to unprotected or public Wi-Fi hotspots or Bluetooth connections. Turn off the Bluetooth connection when not in use. On most iPhones, you can choose who to receive files or photos via AirDrop (a Bluetooth feature) from by selecting to receive from no one, people in your Contacts or Everyone. We suggest you set it to “no one” and only turn it on when you are with the person you are sending or receiving a file or photo from.
Person messaging on iPhone (Kurt “CyberGuy” Knutsson)
MORE: APPLE CRACKS DOWN ON IPHONE THIEVES WITH NEW SECURITY SETTING
Kurt’s key takeaways
PQ3 feels like it’s going to be a massive upgrade for iMessage users. While other messaging services use encryption, it doesn’t seem like anything is as focused on quantum computing. If this is as secure as Apple says it is, this would be a gold standard for encryption.
Do you feel more secure using iMessage knowing that Apple is being proactive against future cyberattacks? What would you like to see Apple do to further protect users? Let us know by writing us at Cyberguy.com/Contact.
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Microsoft closed out Summer Game Fest with a bang. The company’s annual June showcase was packed with crowd-pleasers: Halo, Gears of War, Fable, a translucent Xbox, and even some pleasant surprises like new Persona and Crazy Taxi games. It was the kind of event that harkened back to the boisterous days of E3, when the industry was in a healthier place and game reveals were cultural events.
Just three days after the showcase, new Xbox CEO Asha Sharma warned of a “reset” at Microsoft’s gaming division, which would require “making hard choices.” The weeks that followed were filled with reports of impending layoffs, studio closures, and game cancellations. Ninja Theory is reportedly one of the studios on the chopping block, despite having just revealed a new game at SGF. If all this comes to pass, Xbox will be a shell of its former self.
After muscling its way into the console space nearly 25 years ago, Microsoft’s gaming division is at its lowest point ever. And the fallout from some disastrous decisions is going to get very ugly in the coming weeks and months.
It wasn’t always this way. With the arrival of the original Xbox in 2001, Microsoft seemed poised to be a viable contender in the space, with all of its resources helping it play catch-up with the likes of Sony and Nintendo. Major exclusives like Halo and a prescient foray into online play through Xbox Live helped to solidify this position for a time. But Microsoft flubbed the launch of the Xbox One in 2013 with an ill-fated push into non-gaming features like TV, and the brand has never really recovered. With the oft-confusing Xbox Series X / S generation, the company only fell further behind.
There are many reasons for this, but arguably the most damning was Microsoft’s extremely expensive push into subscription services. On paper it made some sense: Streaming services like Netflix were upending the film and TV landscape, so maybe the same could happen for gaming. Microsoft made some absolutely gigantic bets on this unproven future, spending billions of dollars to acquire studios and publishers in an attempt to build out a large library of content for Game Pass that would lure subscribers.
And while Game Pass proved popular initially, it ultimately plateaued, which meant that Microsoft spent all of that money on a business that didn’t grow anywhere near as large as it expected. (The service currently has around 30 million subscribers, while Microsoft had hoped to hit 100 million by 2030.) This misguided play also coincided with the “This is an Xbox” marketing campaign, which suggested that Xbox wasn’t a single console but rather a suite of Game Pass-capable devices, leading to even more confusion around the brand.
Just how bad are things? As Sharma and Xbox’s chief content officer Matt Booty wrote in the “reset” memo, “Excluding Activision Blizzard King, over the past five years, we have spent over $20 billion on ongoing investments in our content, platform, and hardware subsidy, but our annual revenue has declined nearly half a billion during that time. Going forward, this cannot continue.” The Activision deal, meanwhile, cost $68.7 billion. The company spent all of that money just to make it even less clear what an Xbox is.
This past February, there was a major shake-up at the Xbox division. Former boss Phil Spencer, who oversaw the brand through the Game Pass push and its many costly acquisitions, retired, while former president and COO Sarah Bond left the company. Despite some uncertainty around her lack of experience in the world of gaming — her prior role at Microsoft was head of the CoreAI division — Sharma’s early days provided some cause for optimism. She appeared willing to listen to fans on things like backward compatibility and exclusives, scrapped the unpopular Microsoft Gaming branding in favor of just Xbox, and moved the brand away from controversial AI features. She also made some strange and superficial changes, like restyling Xbox as XBOX.
But it’s clear the issues at Xbox run much deeper than a simple name change can fix. Sharma inherited a business that spent colossal amounts of money and had little to show for it, and now the bill is coming due. What makes this especially tragic is the sheer pedigree of the game studios that are being impacted. My colleague Tom Warren reported that Microsoft was mulling over closing at least five studios, which includes the likes of Arkane — best known for the wildly influential Dishonored series — and Double Fine Productions, a beloved team behind cult hits like Psychonauts, and more recently Keeper and Kiln. That’s multiple teams filled with talented individuals responsible for some of the most notable games ever made. Now they’re being discarded because of poor decisions they had no part in.
But even amid this apocalyptic landscape, Xbox’s issues feel particularly existential. Its hardware and subscription businesses are both faltering, and now it’s decimating its game development teams as well. Tom reported that the impending layoffs are expected to start next week, and it’s not clear yet just how widespread they will be. Part of the uncertainty is that we don’t know exactly what will happen to these studios; some may be hit with layoffs, some may be closed entirely, and some may be spun off as independent entities.
Whatever happens, though, Xbox will look drastically different once it’s all over. And given the dire state of console gaming, these might not even be the last changes for Microsoft’s gaming division.
- Sharma has done a lot of work to clean up the messaging around Xbox, but plenty of confusion remains, particularly when it comes to the company’s console exclusivity strategy.
- At the same time the Xbox is struggling, a new player is entering the space, as Valve launches the console-like Steam Machine.
- As always, Nintendo largely operates in its own parallel universe that has allowed it to largely weather the current storm.
- Bloomberg’s Jason Schreier has done some excellent reporting on the turmoil at Xbox, and has also helpfully condensed everything into a video on his YouTube channel.
- Matthew Ball is Xbox’s new strategy officer, and in an interview with The Game Business he explained how the brand is thinking about the next console, currently codenamed “Project Helix.”
- Speaking of execs, Booty talked to Game Informer following the SGF showcase to try and explain Xbox’s ever-changing strategy around exclusives, saying that “We want there to be a reason to believe and a reason to buy Xbox.”
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Pudu Robotics has announced what it calls the first “full-scenario robot-serviced hotel.” The project will use robots across the entire guest experience, from reception and room service to cleaning, food preparation and guest support.
The hotel is set to open in 2027, with trial rooms and robot-powered services expected to begin in late 2026. Early guests will be able to try robot check-in and autonomous in-room delivery before the full launch.
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COULD THE NEXT CHINESE THREAT WALK INTO YOUR KITCHEN ON TWO BATTERY-POWERED LEGS?
Pudu Robotics says its robot-run hotel will use AI-powered machines across check-in, room service, cleaning and guest support. (Pudu Robotics)
Where the robot-run hotel will be located
The hotel will sit on West Artificial Island, a man-made island tied to the Shenzhen-Zhongshan Link in Guangdong Province. That cross-sea bridge and tunnel project is one of the Pearl River Delta’s biggest transportation projects.
The location feels fitting. Shenzhen already has a reputation as one of China’s major technology hubs. Room-service delivery robots are already common in hotels across many large Chinese cities.
However, this project goes much further. Instead of adding a few robots to assist hotel staff, Pudu wants to create a connected robot service system that can handle the entire guest experience.
What robots will do inside the hotel
The planned hotel will include 44 high-end rooms, a restaurant, a gym and other guest spaces. Robots will take on roles across the property, including reception, room service, cleaning, food preparation and guest support.
That means you could check in with a robot, have luggage delivered by a robot and order drinks from your phone without calling the front desk. Then, cleaning robots would handle waste detection and room upkeep using AI.
Pudu says its robots will work from one shared intelligence framework. In other words, different machines will handle different jobs while staying connected through the same software system.
The robot staff behind the scenes
Pudu’s FlashBot will run an intelligent vending system, allowing guests to order drink deliveries by smartphone. The PUDU T300 will move luggage from the lobby to rooms.
Meanwhile, the PUDU CC1 Pro and PUDU MT1 cleaning robots will handle cleaning tasks using AI waste-detection technology.
At the Shenzhen launch event, BellaBot Pro served coffee while KettyBot Pro delivered refreshments and snacks. That kind of robotic service may still surprise many travelers. In Shenzhen, though, it already fits into a broader tech culture where robot baristas and drone food delivery are becoming more visible.
HUMANOID ROBOTS WORK NONSTOP IN PACKAGE TEST
Guests will be able to try robot check-in and autonomous in-room delivery during the hotel’s first public trial in late 2026. (Pudu Robotics)
How AI will run the hotel experience
The hotel will rely on PuduFM 1.0, the company’s embodied intelligence foundation model. It will also use PuduAgent to manage intelligent operations across the hotel.
“This partnership represents an important step toward large-scale deployment of embodied intelligence in premium hospitality environments,” said Cong Guo, co-founder and CTO of Pudu Robotics.
He also said the project gives the company a chance to explore new service models where AI and robotics work together to deliver connected service experiences.
That may sound ambitious, yet the rollout will be gradual. The first public trial is expected in late 2026. A broader hotel opening is planned for 2027.
Why China is moving fast with robot hospitality
China has already embraced service robots in hotels, restaurants, airports and public spaces. The robot-run hotel takes that trend into a more advanced phase.
Shenzhen Culture & Tourism Industry Development will work with Pudu Robotics to turn West Artificial Island into a robotics and technology destination. The hotel is only one part of that larger plan.
Over the next four years, the island is expected to add more robotics across tourism and hospitality. That could turn the area into a testing ground for how travelers react when robots handle nearly every service touchpoint.
The hotel is planned as a connected robot service system where different machines handle luggage, deliveries, cleaning and hospitality tasks. (Pudu Robotics)
What this means for you
If this hotel works well, it could change what you expect from travel in the future. Faster check-in, automated deliveries and round-the-clock service may sound convenient, especially when you arrive late or need something quickly.
However, there is another side to this. A robot-run hotel also raises questions about jobs, privacy, safety and what kind of hospitality guests actually want.
Some travelers may love the speed and efficiency. Others may miss the warmth of a person who can read the room, handle a strange request or help when something goes wrong.
That is where this project becomes important. It may show whether people are ready for hotels where AI handles the stay from start to finish.
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Your phone holds your email, passwords, photos, banking apps and personal data. In this free CyberGuy Live replay, Kurt the CyberGuy walks you step by step through simple phone security fixes you can do at your own pace. You’ll learn how to improve your privacy settings, spot the latest phone scams, use trusted security tools and walk away with a simple checklist to stay protected. Watch the replay and get our checklist here: CyberGuyLive.com
Kurt’s key takeaways
China’s first robot-run hotel feels like a major test of how far hospitality automation can go. We have already seen delivery robots roll through hotel hallways. Yet this project puts robots at the center of the entire stay. The convenience could be impressive. You could check in, order drinks, receive luggage and get room support without waiting on a busy front desk. For travelers who value speed, that may feel like a win. Still, hospitality has always been about more than efficiency. A great hotel stay often comes from small human moments. A kind greeting, a helpful suggestion or a quick fix when something goes sideways can make a trip feel easier.
If a robot-run hotel can give you faster service, would you miss the human touch or happily skip the front desk altogether? Let us know by writing to us at CyberGuy.com.
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The Swift Observatory was launched in 2004, but recent solar storms have pushed its orbit lower, and it’s in danger of burning up in Earth’s atmosphere as soon as this year. To try and stave off its demise, NASA has enlisted Katalyst Space Technologies. The company’s Link spacecraft launched Friday with the goal of intercepting Swift, which has no propulsion system, and boosting its orbit back to its original position. Right now, Swift is circling at an altitude of 224 miles, and Link is aiming to raise that by about 150 miles.
Using a three-armed spacecraft to lift a satellite 150 miles higher into orbit is challenging enough, but the speed with which Katalyst pulled the mission together makes it even more impressive. NASA required the company to rush the job because Swift would be too low to save by October. $30 million and nine months later, help is on the way for the $500 million Swift.
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