Anthropic just released Claude Fable 5, calling it the most powerful AI model it has ever made widely available and praising its skills in biology, among others. But the model won’t answer basic biology questions — the kind you’d expect a high schooler to handle. Instead, it hands off the query to the former flagship model, Claude Opus 4.8.
Technology
Windows 10 security flaws leave millions vulnerable
Windows 11 is the latest and greatest operating system from Microsoft, but it has its flaws, so much so that even four years after its release, some people are sticking with older versions. Windows 10 remains the operating system of choice for many, even though Microsoft has shifted its focus entirely to Windows 11. In fact, the Redmond-based company will end security updates for Windows 10 this October.
If that’s not enough to push you toward upgrading, the latest news might be. The 240 million Windows 10 users are vulnerable to dozens of security vulnerabilities, six of which are reportedly already being exploited by bad actors.
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A person typing on a Windows laptop (Kurt “CyberGuy” Knutsson)
Critical Windows 10 security flaws exploited
The vulnerabilities in question were part of a recent Microsoft Patch Tuesday update, a monthly release where the company addresses security flaws. In this case, six specific exploits were identified as being actively used by hackers to target Windows 10 systems. These exploits are particularly alarming because they are already in the wild, meaning attackers are leveraging them to compromise systems before all users have had a chance to update their devices.
The affected population, estimated at 240 million, refers to users whose PCs cannot upgrade to Windows 11 due to hardware limitations, such as lacking TPM 2.0 (Trusted Platform Module) or other system requirements.
The six exploits include a mix of flaws that allow hackers to achieve various malicious outcomes, such as executing arbitrary code, escalating privileges to take full control of a system or bypassing security features.
For example, one exploit might overload system memory to overwrite critical data (a buffer overflow), while another could allow attackers to access sensitive information by exploiting a flaw in the Windows Kernel. These vulnerabilities are especially dangerous because they can be triggered remotely or through seemingly innocuous actions, like opening a malicious file or mounting a compromised virtual hard disk.
Windows laptop (Kurt “CyberGuy” Knutsson)
CLICKFIX MALWARE TRICKS YOU INTO INFECTING YOUR OWN WINDOWS PC
A fix is there (for now)
Microsoft has released patches to address these issues, and America’s Cyber Defense Agency has urged users to update their systems immediately, ideally by this month, or risk severe consequences. The agency even suggested turning off unpatched computers as a precaution. Updating to the latest Windows 10 patch is the simplest and most effective way to protect against these exploits right now.
However, a bigger problem looms later this year. Microsoft will officially end free security updates for Windows 10 on October 14, 2025. After that, systems running Windows 10 will no longer receive critical security patches, unless users enroll in Microsoft’s Extended Security Updates (ESU) program.
This ESU program will be available to individual users for the first time and will cost $30 per device for one additional year of updates. It’s designed to give users more time to transition, especially those who can’t upgrade to Windows 11 due to hardware limitations. While this offers a temporary reprieve, it’s not a long-term solution; the ESU program will only extend support for a limited time (typically three years in enterprise settings) and prices may increase annually.
The scale of the problem remains significant. Millions of devices lack the hardware requirements for Windows 11, such as TPM 2.0 and newer CPUs, making the shift costly or impractical for some. Analysts warn this could contribute to a surge in electronic waste, unless recycling and repurposing efforts improve dramatically.
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How to keep your Windows devices up to date
If you’re a Windows 10 user, the immediate step is to ensure your system is updated with the latest patches. Follow the steps below to do that:
- Select Start
- Click Settings
- Click Windows Update
- Click Check For Updates
- If a feature update is available for your device, it will appear separately on the Windows update page
- To install it, click Download and Install now
Windows update (Kurt “CyberGuy” Knutsson)
MICROSOFT SETS MAY END DATE FOR SKYPE AFTER 14-YEAR RUN
3 additional ways to stay safe from Windows vulnerabilities
1) Use strong antivirus software: Even with the latest patches, no system is entirely immune to threats. Strong antivirus software can act as a second line of defense, detecting and neutralizing malware that exploits vulnerabilities before they cause harm. Look for solutions with real-time protection and frequent updates to tackle emerging threats. While this won’t fix unpatched system flaws after October 2025, it can reduce risks from common attack vectors like phishing or malicious downloads. Get my picks for the best 2025 antivirus protection winners for your Windows, Mac, Android and iOS devices.
2) Limit exposure: Many exploits rely on user interaction, such as clicking a shady link, downloading a compromised file or mounting an untrusted virtual disk. Stick to reputable websites, avoid opening unsolicited email attachments and use a browser with built-in security features (like Microsoft Edge or Chrome with Safe Browsing enabled).
3) Plan for the future: The clock is ticking on Windows 10’s security updates. If your hardware can’t handle Windows 11, weigh your long-term options. Buying a new PC might be inevitable, but you could also explore alternatives like Linux, which offers free, secure operating systems (e.g., Ubuntu or Linux Mint) that run well on older hardware.
Kurt’s key takeaway
The road ahead for Windows 10 users is anything but smooth. With critical vulnerabilities emerging and official support coming to an end, millions are being pushed into a difficult decision. They can upgrade their hardware, pay for temporary patches or continue using increasingly vulnerable systems. As October draws closer, the risks will only increase. Updating your system is essential, but it’s just a short-term measure. Now is the time to start preparing for what comes after, before the window of protection closes for good.
Do you think tech companies are doing enough to prevent hackers from obtaining your data? Let us know by writing us at Cyberguy.com/Contact.
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Bluesky will be getting “communities,” which will function as smaller spaces where you can “go deeper and hang out with people who care about the same stuff” sometime this year, according to head of product Alex Benzer. They will be built on the decentralized AT Protocol that underpins Bluesky, with Benzer saying that “it’s a new structure for everyone” that’s part of the “Atmosphere” (a shorthand for the AT Protocol ecosystem).
Benzer listed out a “few ideas we have in mind so far” in a thread. “On Bluesky, you’ll be able to create communities, join them, post in them, and get updates,” Benzer says. “The core features on Bluesky stay simple. The magic comes from communities also existing on the open web. This means you can truly customize them and add features with other Atmospheric apps and tools.”
Communities will get a handle that “doubles as a URL,” and if you go to that URL, you’ll “land on a custom homepage for the community,” according to Benzer. “Builders can also host a completely custom experience there instead.” There will be three privacy levels for communities: public, invite-only, and private. And each community would have its own feed, Benzer says.
Benzer’s thread follows Bluesky COO Rose Wang saying last week that the company wanted to move away from being a “public square” and that it was “very inspired by companies like Reddit.” Meta’s Threads is currently testing a communities feature, while X announced in April that it would be shutting down its own take on communities.
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Amazon is getting ready for Prime Day, and you can bet scammers are, too. In fact, I received a fake Amazon email that looked like an account recovery warning. It claimed there was unusual activity on my account and pushed me to “Sign In to Verify.”
That kind of message can make anyone uneasy. It certainly did for me. After all, who wants to lose access to an account right before a major sale? Then came the part that really stood out: the email said I might need to upload a document to confirm my account.
That was the giveaway. A real deal can save you money. A fake Amazon email can cost you your login, your payment details and even your identity.
Here’s how this scam works, the red flags that exposed it and the steps you should take before clicking any Amazon account warning.
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A fake Amazon account recovery email is targeting shoppers ahead of Prime Day, using urgency and document requests to steal sensitive information. (Photographer: David Paul Morris/Bloomberg via Getty Images)
Fake Amazon email warning before Prime Day
The timing made this phishing email more convincing. With Prime Day coming up, many people are already watching for Amazon emails. They may be checking delivery updates, deal alerts and order confirmations. That creates the perfect opening for a fake account warning.
The email used the same tricks you see in many phishing scams. It claimed there was account trouble, used urgent language and pushed me toward a sign-in button. That is exactly what scammers want.
Screenshot of scam fake Amazon email (Kurt “CyberGuy” Knutsson)
They want you to react before you inspect the message. They want you to sign in before you think through the request. And in this case, they wanted me to believe a document upload was part of a normal Amazon account check.
Amazon phishing scam red flags
This fake Amazon email had several warning signs. First, it landed in my junk folder. That alone does not prove fraud, but it should make you cautious.
Second, the subject line sounded awkward. It said, “Account Recovery: Sign-in and Verify your Amazon account.” That wording felt stiff and a little off.
Third, the greeting was generic. The email said “Dear Customer” even though it claimed to be about my Amazon account. That alone does not prove the email is fake, but it adds to the concern.
Fourth, the message created urgency. It claimed the account was on hold and that orders or subscriptions had already been canceled.
Fifth, the sender display name said “Amazon,” while the address appeared as account_update@amazon.com. That may look official at first. Still, scammers can spoof sender names or make email addresses look convincing.
Under the yellow “Sign In to Verify” button, the email also says, “Don’t share it with others.” That may sound protective, but in this context, it felt like another attempt to make the fake warning seem official.
The biggest warning sign came from the document request. The email said I would have the option to upload a document with the required information to verify the account.
That should stop you cold. Scammers may be after more than your Amazon password. They may also want your driver’s license, passport, address, phone number or payment details.
Screenshot of fake Amazon email sender address (Kurt “CyberGuy” Knutsson)
Why fake Amazon account emails fool shoppers
This scam works because it hits a very real fear. Most people do not want to lose access to an online shopping account. That concern grows when a big sale is about to start. If you are planning to buy something on Prime Day, an account warning can feel urgent.
The email also borrowed Amazon’s familiar look. It used the Amazon name, a logo area and a yellow sign-in button. It also included a footer that appeared to show an Amazon.com link. That can make the message feel safer than it really is.
Here is the problem. The visible link text in an email can mislead you. A link can appear to point to Amazon while sending you somewhere else. It can also pass through tracking links, redirects or look-alike pages. That is why you should avoid signing in through any account warning email.
120,000 FAKE SITES FUEL AMAZON PRIME DAY SCAMS
Scammers are impersonating Amazon with convincing account alerts designed to capture login credentials, payment details and personal documents. (Photographer: Michael Nagle/Bloomberg via Getty Images)
What happens if you click a fake Amazon link
If you click the link, you may land on a fake Amazon sign-in page. It may look close enough to fool you. Once you enter your email and password, scammers can try to access your real Amazon account. They may check your saved payment methods, shipping addresses and order history.
They may also try that same password on other websites. That becomes a bigger risk if you reuse passwords.
The document request adds another layer of danger. If a fake page asks for your ID, scammers could use that information for identity theft, account takeovers or other fraud. That is why one quick click can turn into a much bigger mess.
Ways to stay safe from fake Amazon emails
A fake Amazon email can look convincing at first, so the best move is to slow down and use these simple checks before you click, sign in or share anything.
1) Do not click the sign-in button
Skip buttons like “Sign In to Verify,” “View details” or “Restore access.” Open the Amazon app or type Amazon.com into your browser yourself.
2) Check Amazon’s Message Center
After signing in directly, go to Your Account > Message Center. If the alert is real, you should see a matching message there.
3) Watch for pressure language
Scammers often say your account is locked, your orders were canceled, or you must act right away. That pressure is designed to make you click before thinking.
4) Never upload ID through an email link
If an email asks for a passport, driver’s license or other document, stop. Contact Amazon through the app or website before sending anything.
5) Use a password manager
A password manager can help you spot fake login pages. If the page is fake, your saved Amazon password usually will not autofill. Check out the best expert-reviewed password managers of 2026 at CyberGuy.com.
6) Turn on two-step verification
7) Use strong antivirus software
Install strong antivirus software on your computer, phone and tablet. Good security software can help detect malicious links, phishing pages, malware and other threats before they do damage. This is especially important if you clicked a suspicious link or downloaded anything from a fake email. Security software should back up your smart habits, not replace them. Get my picks for the best 2026 antivirus protection winners for your Windows, Mac, Android and iOS devices at CyberGuy.com.
8) Use a data removal service
Scammers often build more convincing attacks with information they find about you online. That can include your name, address, phone number, relatives, old usernames and other personal details from people-search sites and data brokers. A data removal service can help remove your personal information from many of those sites. That makes it harder for scammers to personalize phishing emails and identity theft attempts. Check out my top picks for data removal services and get a free scan to find out if your personal information is already out on the web by visiting CyberGuy.com.
9) Report the suspicious email
Forward suspicious Amazon emails to reportascam@amazon.com. Then delete the message from your inbox or junk folder.
JANUARY SCAMS SURGE: WHY FRAUD SPIKES AT THE START OF THE YEAR
Cybersecurity experts warn consumers to avoid clicking links in Amazon account warning emails and verify alerts directly through Amazon. (David Paul Morris/Bloomberg via Getty Images)
Kurt’s key takeaways
Prime Day is a great time to find real deals, but it is also a busy season for fake Amazon emails. Scammers know shoppers are checking delivery updates, watching for discounts and hoping nothing gets in the way of a good buy. That is what made this email so sneaky. It used a familiar fear at the perfect moment: losing access to your account right before a major sale. The safest move is to slow down before you click. Do not trust the button. Do not trust the sender name alone. Open the Amazon app or type Amazon.com into your browser and check your account yourself.
Have you ever received an email that looked official enough to make you click, and what finally made you stop? Let us know by writing to us at CyberGuy.com.
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HOW TO DETECT FAKE AMAZON EMAILS AND AVOID IMPERSONATION SCAMS
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It isn’t because Fable doesn’t know the answers. It’s because Anthropic won’t let it, by design.
Fable is a public-facing, Mythos-class model, a family so capable at cybersecurity tasks Anthropic said it was too dangerous to release publicly. But while Anthropic has spent much of the extended Mythos rollout warning about cybersecurity, it is biology where Fable’s guardrails are the most obvious — and most limiting.
When I tried the model, it refused to answer a range of basic biology questions, many that felt about as far away from any plausible safety risk as any question could be. It would not respond to “tell me about cell membranes” or answer “what are mitochondria,” that famous powerhouse of the cell. It refused to explain “what is a prion,” the proteinaceous particles behind mad cow disease, or “how mRNA vaccines work.”
“We made this tradeoff so customers could benefit from the model’s capabilities sooner without the risks.”
The restrictions applied to ordinary and objectively rather harmless medical queries too. Fable would not answer “what causes hay fever,” explain how asthma medicine works, explain how antibiotic resistance arises, or tell me what Ebola is and how it spreads. Some of my basic queries occasionally got through, with Fable answering questions like “what is cancer” and “what is DNA.” When Fable refused, Opus 4.8 generally answered perfectly well.
Anthropic says the broad biology filters are an intentional choice and are deliberately conservative, with bioweapons the primary concern. “With the launch of Claude Fable 5, our first Mythos-class model, we believe models now have a greater ability to accomplish real-world scientific tasks and for malicious actors to potentially use our models for highly risky biological research,” spokesperson Paruul Maheshwary told The Verge. “We have always used classifiers to block our models from helping with bioweapons-related requests. To deploy Fable 5 safely, we believe it was necessary to be overly conservative with our safeguards so they block most queries tied to biology work.”
Anthropic has previously highlighted four key areas where it would throttle Fable’s responses for safety: chemistry, biology, cybersecurity, and distillation, a technique for training smaller AIs using the outputs of larger ones. The company has accused Chinese rivals like DeepSeek of using distillation on its models on an “industrial” scale.
While I could not meaningfully test distillation, Fable seemed more willing to answer questions about chemistry and cybersecurity. For example, it gave a basic overview of the explosive TNT, though withheld synthesis instructions “for obvious reasons.” It readily answered questions on the use of chlorine gas as a chemical weapon, common password threats, and nuclear fusion and fission, as well as explaining how to secure an iPhone from hackers. It still limits: Fable deferred to Opus when I asked it about sarin gas, a highly toxic nerve agent. Fable and Opus both refused the prompt “how to make anthrax,” and Claude paused the chat entirely. That made sense. The mitochondria prompt refusal seems like a false positive.
“We made this tradeoff so customers could benefit from the model’s capabilities sooner without the risks,” Maheshwary explained, adding that Anthropic is working hard to improve its detection and reduce the false positives. “We intend to make Mythos-class models available without these safeguards to the broader biology and life sciences community so these capabilities can be used to accelerate biomedical research and drug discovery.”
Anthropic did not answer questions about whether this kind of restricted release will become the new norm for future models.
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