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.
Technology
33 million Authy users exposed in authentication app's own security nightmare
A hacker claimed to have stolen 33 million phone numbers from U.S. messaging giant Twilio. The company confirmed to CyberGuy that threat actors got access to the data associated with its Authy two-factor authentication service.
Obtaining a list of phone numbers alone is not the biggest cyberattack, but it could still pose a threat to the owners of those numbers.
Hackers may use these numbers to launch phishing attacks, send spam text messages or attempt SIM swapping. Twilio has since patched its app to avoid future security incidents and has also cautioned users.
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Illustration of a hacker at work (Kurt “CyberGuy” Knutsson)
What you need to know
On July 3, the hacker group known as ShinyHunters reportedly took to a hacking forum to boast about stealing 33 million cellphone numbers. Twilio said that the incident was “not a hack or breach” but rather the threat actors exploiting an “unauthenticated endpoint.” In simple terms, hackers exploited a specific part of Twilio’s system that didn’t require authentication.
The U.S. messaging giant confirmed that hackers were able to identify data associated with Authy accounts, including phone numbers, but did not specify how many accounts were affected. The company stated that there is no evidence indicating that the hackers gained access to Twilio’s systems or other sensitive data.
Twilio provided this statement to CyberGuy: “Twilio has detected that threat actors were able to identify data associated with Authy accounts, including phone numbers, due to an unauthenticated endpoint. We have taken action to secure this endpoint and no longer allow unauthenticated requests.
“We have seen no evidence that the threat actors obtained access to Twilio’s systems or other sensitive data. As a precaution, we are requesting all Authy users to update to the latest Android and iOS apps for the latest security updates and encourage all Authy users to stay diligent and have heightened awareness around phishing and smishing attacks.”
Illustration of hackers at work (Kurt “CyberGuy” Knutsson)
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What do affected users need to do?
If you’ve been affected by the Twilio security incident, the first thing you need to do is download the latest version of the Authy app. Twilio has released a new version of the app that includes bug fixes and security updates. Android users can update the app from the Play Store, and iPhone users can head to the App Store.
You also need to be cautious of phishing attacks. While your Authy account itself is safe, hackers might use the phone number linked to your account to try some phishing tricks. This means they could contact you pretending to be from Authy or Twilio to trick you into giving away personal information.
Illustration of a hacker (Kurt “CyberGuy” Knutsson)
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5 steps to take to protect your privacy and personal data
While hackers can misuse your personal information in various ways, there are several steps you can take to prevent harm.
1. Have strong antivirus software: Android has its own built-in malware protection called Play Protect, but it’s not enough to stop all malicious software. Historically, Play Protect hasn’t been 100% foolproof at removing all known malware from Android phones. The best way to protect yourself from clicking malicious links that install malware that may get access to your private information is to have antivirus protection installed on all your devices. This can also alert you of any phishing emails or ransomware scams. Get my picks for the best 2024 antivirus protection winners for your Windows, Mac, Android and iOS devices.
2. Use an identity theft protection service: Identity theft companies can monitor personal information like your Social Security Number, phone number and email address and alert you if it is being sold on the dark web or being used to open an account. They can also assist you in freezing your bank and credit card accounts to prevent further unauthorized use by criminals.
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One of the best parts of using some services is that they might include identity theft insurance of up to $1 million to cover losses and legal fees and a white-glove fraud resolution team where a U.S.-based case manager helps you recover any losses. See my tips and best picks on how to protect yourself from identity theft.
3. Invest in data removal services: While no service promises to remove all your data from the internet, having a removal service is great if you want to constantly monitor and automate the process of removing your information from hundreds of sites continuously over a longer period of time. Remove your personal data from the internet with my top picks here.
4. Use multifactor authentication: Enable two-factor authentication on your important accounts to add an extra layer of security beyond a password. This requires a second step, like a code sent to your phone, to log in.
5. Use a VPN: Consider using a VPN to protect against being tracked and to identify your potential location on websites that you visit. Many sites can read your IP address and, depending on their privacy settings, may display the city from which you are corresponding. A VPN will disguise your IP address to show an alternate location. For the best VPN software, see my expert review of the best VPNs for browsing the web privately on your Windows, Mac, Android and iOS devices.
HOW TO OUTSMART CRIMINAL HACKERS BY LOCKING THEM OUT OF YOUR DIGITAL ACCOUNTS
Kurt’s key takeaway
Authy is a two-factor authentication service that users trust, but a security lapse in its system reminds users that no service is foolproof. The service maker maintains that hackers do not have access to Authy accounts, which is a relief. Companies should invest more in security infrastructure to ensure that their customers’ sensitive data does not get compromised so easily.
How do you think companies should improve their security measures to prevent incidents like the Twilio security incident? Let us know by writing us at Cyberguy.com/Contact.
For more of my tech tips and security alerts, subscribe to my free CyberGuy Report Newsletter by heading to Cyberguy.com/Newsletter.
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Copyright 2024 CyberGuy.com. All rights reserved.
Polymarket has been allowing people to bet on when the US would strike Iran next. Obviously, now that it’s actually happened and people have died, the prediction betting market is feeling some pressure. The site has been at the center of controversy before, including suspicions of insider trading on the Super Bowl halftime show and the capture of Venezuelan President Nicolás Maduro.
In a statement posted on its site, Polymarket defended its decision to allow betting on the potential start of a war, saying that it was an “invaluable” source of news and answers, before taking shots at traditional media and Elon Musk’s X. The statement reads:
…
Read the full story at The Verge.
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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.
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.
149 MILLION PASSWORDS EXPOSED IN MASSIVE CREDENTIAL LEAK
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.
THINK YOUR NEW YEAR’S PRIVACY RESET WORKED? THINK AGAIN
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.
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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Copyright 2026 CyberGuy.com. All rights reserved.
Related Article
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.
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.
1/10
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.
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.
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.
Photography by Dominic Preston / The Verge
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