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Lego-like construction blocks made from plastic waste can stand up to nature’s fury

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Lego-like construction blocks made from plastic waste can stand up to nature’s fury

In a world grappling with the effects of climate change and natural disasters, innovative solutions are emerging to address urgent housing needs. 

One such solution comes from Finland, where a company called Block Solutions is revolutionizing the construction industry by utilizing plastic waste to create interlocking Lego-like building blocks. 

Let’s dive into how these eco-friendly blocks could have us rethinking the way we look at construction and sustainability.

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Lego-like building blocks. (Block Solutions)

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The concept behind Block Solutions

Founded by Markus Silfverberg in 2017, Block Solutions aims to provide a rapid, low-cost construction method that is both sustainable and efficient. The blocks are made from recycled polypropylene and other plastics, combined with organic fibers like wood byproducts. This unique biocomposite material is not only lightweight but also features a load-bearing strength that surpasses traditional cinder blocks.

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People holding Lego-like building blocks. (Block Solutions)

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Rapid assembly using blocks for disaster recovery

The construction process is remarkably simple; it requires no heavy machinery or skilled labor. With just a rubber hammer, a water level and a ring wrench, two people can assemble a 323-square-foot structure in approximately two and a half hours. This efficiency is crucial in disaster recovery scenarios, where time is of the essence.

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A woman holding a Lego-like building block. (Block Solutions)

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Real-world applications of building with blocks

Block Solutions has made significant strides in disaster recovery, particularly following the 2018 earthquake in Lombok, Indonesia. In collaboration with Classroom of Hope, the company constructed a five-room school in just six days, at a cost significantly lower than traditional building methods. This project not only provided immediate shelter but also helped remove tons of plastic waste from the environment, demonstrating the dual benefits of their approach.

Five-room school in Indonesia constructed of Lego-like building blocks. (Block Solutions)

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The lightweight nature of the blocks also enhances safety in earthquake-prone regions, as they are less likely to cause serious harm during seismic events. As Block Solutions expands its operations globally, including plans for factories in Asia and potentially the U.S., the demand for these innovative blocks continues to grow.

Five-room school in Indonesia constructed of Lego-like building blocks. (Block Solutions)

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Environmental impact of using blocks in construction

The environmental implications of using plastic waste in construction are profound. With only 1% of plastic ever being recycled twice, the majority ends up in landfills, contributing to pollution and greenhouse gas emissions. By repurposing this waste into building materials, Block Solutions not only addresses housing shortages but also helps mitigate the environmental crisis.

Classroom in Indonesia constructed of Lego-like building blocks. (Block Solutions)

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The company says it is committed to reducing its carbon footprint, claiming that the carbon impact of their blocks is “close to zero.” As they explore new materials, such as bamboo and rice husks, they aim to further enhance the sustainability of their products.

People using Lego-like building blocks on a construction project. (Block Solutions)

Kurt’s key takeaways

By turning plastic waste into building blocks, Block Solutions is not only providing affordable housing solutions but also addressing the pressing issue of plastic pollution. As climate change continues to challenge communities worldwide, the need for such creative and effective solutions will only grow. The future of construction may very well lie in the hands of companies like Block Solutions, paving the way for a cleaner, safer and more sustainable world.

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What role do you believe government policies should play in promoting the use of innovative construction methods like those developed by Block Solutions? Let us know by writing us at Cyberguy.com/Contact

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Technology

Google dropped dark web monitoring: Should you care?

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Google dropped dark web monitoring: Should you care?

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Google has officially discontinued its Dark Web Report feature, a free tool that once scanned known dark web breach dumps for personal information tied to a user’s Google account. The service delivered notifications when email addresses and other identifiers appeared in leaked datasets.

According to Google’s support page, the system ceased scanning for new dark web data Jan. 15, 2026, and the reporting function was removed entirely on Feb. 16, 2026, meaning users can no longer access the feature.

The company said the decision reflects a shift toward security tools it believes provide clearer guidance after exposure, rather than standalone scan alerts.

If you previously relied on the free dark web scan as an early warning signal for leaked data, this change removes one of your sources.

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Google officially ended its Dark Web Report tool, removing free breach alerts tied to user accounts. (Kurt “CyberGuy” Knutsson)

So what did users really lose?

Google’s Dark Web Report acted as a basic exposure scanner. It checked whether personal information linked to a Google account had surfaced in known breach collections circulating on the dark web.

When a match is found, users receive a notification identifying which type of data appeared in a leak. Depending on the data breach, that could include an email address, phone number, date of birth or other identifying details commonly harvested during large-scale hacks.

The report did not display stolen credentials or provide access to the leaked database itself. It also did not trace the origin of the compromise beyond referencing the breached service when available.

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After an alert was issued, the next steps were left to the user. Google recommended actions such as changing passwords, enabling stronger authentication methods and reviewing account security settings. With the tool now removed, that automated breach check tied directly to a Google account is no longer available.

What you still have access to

Google directs users to its Security Checkup, a dashboard that scans your account for weak settings and unusual sign-in activity.

Its built-in Password Manager includes Password Checkup, which scans saved credentials against known breach databases and prompts you to change exposed passwords. Google also supports passkeys and two-factor verification to lock down account access.

The Results About You tool lets users search for personal information in Google Search and submit removal requests for certain publicly indexed details.

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Without the automatic scan, users must now check for leaked data using other security tools. (iStock)

Alerts don’t always mean protection

Once personal information is compromised, it often ends up far beyond the breach itself. Stolen credentials and identity data are regularly trafficked on underground platforms where buyers can search for information tied to real people.

The BidenCash dark web marketplace was taken down by U.S. authorities in June 2025, and the Justice Department confirmed that the platform peddled stolen personal information and credit card data.

These illicit markets operate with a level of organization not unlike legitimate online stores. Search tools and bulk data sets are up for grabs and can be used to target any online account. This makes credential stuffing easier, where attackers test leaked passwords across multiple services in hopes of barreling into your account.

A breach alert tied to a dark web scan points to a leak at one moment in time; it does not follow whether that information has been sold to third parties or used in subsequent fraud attempts. For everyday users, this means that just knowing your data appeared in a leak doesn’t help much.

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Stolen personal information can circulate for years, making ongoing monitoring more important than a one-time alert.  (Kurt “CyberGuy” Knutsson)

Identity monitoring may be a better option

With Google’s scan gone, some people may consider dedicated identity protection services instead. Many of these services offer continuous monitoring of your personally identifiable information and send alerts about changes to your credit reports from all three major U.S. credit bureaus. That can include notifications about new inquiries, newly opened accounts and monthly credit score updates. Some plans also monitor a broader range of personal identifiers, such as driver’s license numbers, passport numbers and email addresses.

Beyond credit monitoring, certain services track linked bank, credit card and investment accounts for unusual activity. They may also monitor public records for changes to addresses or property titles and alert you if your information appears in those filings.

Many providers include identity theft insurance to help cover eligible out-of-pocket recovery costs. Coverage limits vary by plan and provider. Additional features often include spam call and message protection, a password manager, a virtual private network (VPN) and antivirus software.

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No service can prevent every form of identity theft. However, ongoing monitoring and recovery support can make it easier to respond quickly if your information is misused.

See my tips and best picks on Best Identity Theft Protection at Cyberguy.com.

Kurt’s key takeaways

Google’s decision to drop its Dark Web Report may seem small. But it removes a tool many users relied on. For some, those alerts were the first warning that their data appeared in a breach. That automatic scan is now gone. Google still offers Security Checkup, Password Checkup, passkeys and two-step verification. However, none of them actively scan dark web breach dumps for you. Stolen data does not disappear. Criminals copy, sell and reuse it. One alert shows a single moment. Ongoing identity theft monitoring helps you stay aware over time.

Now that Google has dropped its dark web monitoring feature, will you actively check your data exposure or assume someone else is watching it for you? Let us know your thoughts by writing to us at Cyberguy.com

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Xiaomi 17 is a small(ish) phone with a big(ish) battery

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Xiaomi 17 is a small(ish) phone with a big(ish) battery

Xiaomi has just given a global launch to two of its latest flagship phones, the Xiaomi 17 and 17 Ultra, along with a Leica-branded Leitzphone edition of the Ultra. There’s no sign, however, of the 17 Pro, which launched in China with an additional display mounted next to the rear cameras.

The 17 and 17 Ultra will apparently be available soon in the UK, Europe, and select other markets. The 17 — pitched as a rival to the likes of the iPhone 17 and Samsung Galaxy S26 — will cost £899 / €999 (about $1,200), while the larger and more capable Ultra starts from £1,299 / €1,499 ($1,750). The limited-edition Leitzphone will be substantially more expensive at £1,699 / €1,999 ($2,300), though it includes 16GB of RAM and 1TB of storage, along with a few extra accessories.

I like the simple, sleek aesthetic of the phone.
Photo of Xiaomi 17 homescreen on a wooden table outdoors

The 6.3-inch display isn’t tiny, but it does make the phone small by modern standards.
Closeup on Xiaomi 17 rear camera

All three of the phone’s rear cameras are 50-megapixel.

The 17 is an extremely capable small-ish flagship, with a 6.3-inch OLED display, Qualcomm Snapdragon 8 Elite Gen 5, and large 6,330mAh silicon-carbon battery (though sadly smaller than the 7,000mAh version launched in China). I won’t be writing a full review of the 17, but did spend a week using it as my main phone, and found that the battery cruised past the full-day mark, though wasn’t quite enough for two full days of my typical usage. That’s far better battery life than you’d find in similarly sized phones from Apple, Samsung, or Google.

The cameras impress too, with 50-megapixel sensors behind each of the four lenses, selfie included. Pound for pound, you won’t find many better camera systems in any phone this size.

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1/10

I’ve been largely impressed by the Xiaomi 17’s cameras.

The Ultra, unsurprisingly, takes things to another level. It’s much larger, with a 6.9-inch display, and weighs a hefty 218g. Despite that, the 6,000mAh is actually smaller, though I found it delivered pretty similar longevity.

Photo of Xiaomi 17 and 17 Ultra on a table, closeup on the cameras

The 17 Ultra is larger in just about every respect, but strangely has a smaller battery.

The enormous camera is, as ever for Xiaomi’s Ultra phones, the highlight. There are 50-megapixel sensors for each of the main, ultrawide, and selfie cameras, with a large 1-inch-type sensor behind the primary lens. The periscope telephoto is even more impressive: 200-megapixel resolution, a large 1/1.4-inch sensor, and continuous optical zoom from 3.2x to 4.3x, the equivalent of 75-100mm. Xiaomi isn’t the first to pull off a true zoom phone — Sony’s Xperia 1 IV got there first in 2022 — but the telephoto camera here is far more capable than that phone’s, with natural bokeh and impressive performance even in low light.

Photo of Xiaomi 17 Ultra Leitzphone outdoors

This is the Leica-branded Leitzphone version of the 17 Ultra.

The camera capabilities are supported by Xiaomi’s ongoing photography partner Leica, but it’s the pair’s Leitzphone that really emphasizes that. Slightly redesigned from the 17 Ultra Leica Edition that was released in China last December, this includes Leica branding across the hardware and software, a range of Leica filters and shooting styles, and a rotatable rear camera ring that can be used to control the zoom. It’s the first Leica Leitzphone produced by Xiaomi — after a trio of Japan-only Sharp models — and comes with additional branded accessories, including a case with a lens cap and a microfiber cleaning cloth.

Xiaomi has plenty of other announcements alongside the 17 series phones at MWC this year, including a super-slim magnetic power bank, the Pad 8 and Pad 8 Pro tablets, and a smart tag that supports both Google and Apple’s tech-tracking networks.

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Photography by Dominic Preston / The Verge

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Google dismantles 9M-device Android hijack network

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Google dismantles 9M-device Android hijack network

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Free apps are supposed to cost you nothing but storage space. But in this case, they may have cost millions of people control over their own internet connections.

Google says it has disrupted what it believes was the world’s largest residential proxy network, one that secretly hijacked around 9 million Android devices, along with computers and smart home gadgets. Most people had no idea their devices were being used since the apps worked normally, and nothing looked broken.

But behind the scenes, those devices were quietly routing traffic for strangers, including cybercriminals.

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Google says it disrupted a massive residential proxy network that secretly hijacked about 9 million Android and smart devices. (AaronP/Bauer-Griffin/GC Images)

How your device became part of a proxy network

According to Google’s Threat Intelligence Group, the network was tied to a company known as IPIDEA. Instead of spreading through obvious malware, it relied on hidden software development kits, or SDKs, that were embedded inside more than 600 apps. These apps ranged from simple utilities to VPN tools and other free downloads. When you installed one, the app performed its advertised function. But it also enrolled your device into a residential proxy network.

That means your phone, computer or smart device could be used as a relay point for someone else’s internet traffic. That traffic might include scraping websites, launching automated login attempts or masking the identity of someone conducting shady online activity. From the outside, it looked like that activity came from your home IP address. You wouldn’t see it happening, and in many cases, you wouldn’t notice any major performance issues.

Google says in a single seven-day period earlier this year, more than 550 separate threat groups were observed using IP addresses linked to this infrastructure. That includes cybercrime operations and state-linked actors. Residential proxy networks are attractive because they make malicious traffic look like normal consumer activity. Instead of coming from a suspicious data center, it appears to come from someone’s living room.

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What Google did to shut it down

Google says it took legal action in a U.S. federal court to seize domains used to control the infected devices and route proxy traffic. It also worked with companies like Cloudflare and other security firms to disrupt the network’s command-and-control systems. Google claims it also updated Play Protect, the built-in Android security system, so that certified devices would automatically detect and remove apps known to include the malicious SDKs.

However, Google also warned that many of these apps were distributed outside the official Play Store. That matters because Play Protect can only scan and block threats tied to apps installed through Google Play. Third-party app stores, unofficial downloads and uncertified Android devices carry far greater risk.

IPIDEA has claimed its service was meant for legitimate business use, such as web research and data collection. But Google’s research suggests the network was heavily abused by criminals. Even if some users knowingly installed bandwidth-sharing apps in exchange for rewards, many did not receive clear disclosure about how their devices were being used.

Google’s investigation also found significant overlap between different proxy brands and SDK names. What looked like separate services were often tied to the same infrastructure. That makes it harder for consumers to know which apps are safe and which are quietly monetizing their connection.

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Hidden software inside more than 600 apps allegedly turned phones and computers into internet relays for cybercriminals. (David Paul Morris/Bloomberg via Getty Images)

7 ways you can protect yourself from Android proxy attacks

If millions of devices can be quietly turned into internet relay points, the big question is, how do you make sure yours isn’t one of them? These steps reduce the risk that your phone, TV box or smart device gets pulled into a proxy network without you realizing it.

1) Stick to official app stores

Only download apps from the Google Play Store or other trusted app marketplaces. Some apps hide small pieces of code that can secretly use your internet connection. These are often spread through third-party app stores or direct app files called “APKs,” which are Android app files installed manually instead of through the Play Store. When you sideload apps this way, you bypass Google’s built-in security checks. Sticking to official stores helps keep those hidden threats off your device.

2) Avoid “earn money by sharing bandwidth” apps

If an app promises rewards for sharing your unused internet bandwidth, that’s a major red flag. In many cases, that is exactly how residential proxy networks recruit devices. Even if it sounds legitimate, you are effectively renting out your IP address. That can expose you to abuse, blacklisting or deeper network vulnerabilities.

3) Review app permissions carefully

Before installing any app, check what permissions it requests. A simple wallpaper app should not need full network control or background execution privileges. After installation, go into your phone’s settings and audit which apps have constant internet access, background activity rights or special device permissions.

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4) Install strong antivirus software

Today’s mobile security tools can detect suspicious app behavior, unusual internet activity and hidden background services. Strong antivirus software adds an extra layer of protection beyond what’s built into your device, especially if you’ve installed apps in the past that you’re unsure about. Get my picks for the best 2026 antivirus protection winners for your Windows, Mac, Android and iOS devices at Cyberguy.com.

5) Keep your devices updated

Android security updates patch vulnerabilities that proxy operators may exploit. If you’re using an older phone, tablet or Android TV box that no longer receives updates, it may be time to upgrade. Unpatched devices are easier targets for hidden SDK abuse and botnet enrollment.

6) Use a strong password manager

If your device ever becomes part of a proxy network or is otherwise compromised, attackers often try to pivot into your accounts next. That’s why you should never reuse passwords. A password manager generates long, unique passwords for every account and stores them securely, so one breach does not unlock your email, banking or social media. Many password managers also include breach monitoring tools that alert you if your credentials appear in leaked databases, giving you a chance to act before real damage is done. Check out the best expert-reviewed password managers of 2026 at Cyberguy.com.

7) Remove apps you don’t fully trust

Go through your installed apps and delete or uninstall anything you don’t recognize or haven’t used in months. The fewer apps running on your device, the fewer opportunities there are for hidden SDKs to operate. If you suspect your device has been compromised, consider a full reset and reinstall only essential apps from trusted sources.

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Threat groups and state-linked actors allegedly used compromised devices to mask online activity and automate attacks. (Photo Illustration by Serene Lee/SOPA Images/LightRocket via Getty Images)

Kurt’s key takeaway

Residential proxy networks operate in a gray area that sounds harmless on paper but can quickly become a shield for cybercrime. In this case, millions of everyday devices were quietly enrolled into a system that attackers used to hide their tracks. Google’s takedown is a major move, but the broader market for residential proxies is still growing. That means you need to be cautious about what you install and what permissions you grant. Free apps are rarely truly free. Sometimes, the product being sold is you and your internet connection.

Have you ever installed an app that promised rewards for sharing bandwidth, or used a free VPN without thinking twice about it? Let us know your thoughts by writing to us at Cyberguy.com.

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