Technology
Why the Microsoft 365 Copilot bug matters for data security
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You trust your email security settings for a reason. So when an AI assistant quietly reads and summarizes messages marked confidential, that trust takes a hit.
Microsoft says a bug in Microsoft 365 Copilot allowed its AI chat feature to process sensitive emails since late January.
The issue bypassed Data Loss Prevention policies that organizations rely on to protect private information. Put simply, emails that were supposed to stay locked down were being summarized anyway.
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Microsoft 365 Copilot’s work chat interface sits at the center of the issue after a bug allowed it to summarize confidential emails. (Microsoft)
Microsoft 365 Copilot bug summarized confidential emails
Microsoft says a coding error impacted Microsoft 365 Copilot Chat, specifically the “work tab” feature. The AI assistant helps business users summarize content, draft responses and analyze information across Word, Excel, PowerPoint, Outlook and OneNote.
Beginning Jan. 21, an internal bug labeled CW1226324 caused Copilot to read and summarize emails stored in Sent Items and Drafts folders.
The real concern runs deeper. Several of those messages carried confidentiality or sensitivity labels.
Companies apply those labels along with DLP policies to block automated systems from accessing restricted content. Despite those safeguards, Copilot still generated summaries.
We reached out to Microsoft, and a spokesperson provided CyberGuy with the following statement:
“We identified and addressed an issue where Microsoft 365 Copilot Chat could return content from emails labeled confidential authored by a user and stored within their Draft and Sent Items in Outlook desktop. This did not provide anyone access to information they weren’t already authorized to see. While our access controls and data protection policies remained intact, this behavior did not meet our intended Copilot experience, which is designed to exclude protected content from Copilot access. A configuration update has been deployed worldwide for enterprise customers.”
Why the Microsoft 365 Copilot bug matters for data security
AI tools feel helpful. They save time and reduce busy work. But they also rely on deep access to your data. When safeguards fail, even temporarily, sensitive content can move in ways you did not expect.
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For businesses, that could mean:
Legal discussions summarized outside intended controls
Financial projections processed despite restrictions
HR communications are exposed to automated analysis
Even if no data leaves the organization, the bypass itself raises concerns about how AI integrates with enterprise security systems.
Business users rely on Copilot to streamline work, but a recent bug raised concerns about how it handles sensitive email content. (Microsoft)
How Microsoft is fixing the Microsoft 365 Copilot bug
Microsoft says it began rolling out a fix in early February. The company continues to monitor deployment and is contacting some affected users to verify the fix works.
However, Microsoft has not provided a final timeline for full remediation. It has also not disclosed how many organizations were affected.
The issue is tagged as an advisory, which usually signals limited scope or impact. Still, many security professionals will want deeper clarity before feeling comfortable.
What this Microsoft 365 Copilot issue reveals about AI security
This incident highlights something many companies are wrestling with right now. AI assistants sit inside productivity platforms. They need access to email, documents and collaboration tools to work well.
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At the same time, those platforms contain your most sensitive information. When AI features expand quickly, security policies must evolve just as fast. Otherwise, even a small code mistake can create unexpected exposure.
The Copilot chat feature was designed to boost productivity, yet a code error let it process emails labeled confidential. (Microsoft)
Ways to stay safe after the Microsoft 365 Copilot bug
If your organization uses Microsoft 365 Copilot, here are practical steps to reduce risk:
1) Review Copilot access settings
Work with your IT team to confirm which folders and data sources Copilot can access.
2) Revalidate DLP policies
Test sensitivity labels and DLP (Data Loss Prevention) rules to ensure they block AI processing as intended.
3) Monitor advisory updates
Stay current on Microsoft service alerts and verify that the fix is fully deployed in your tenant.
4) Limit AI scope during investigations
If you have concerns, consider temporarily restricting Copilot features until verification is complete.
5) Train employees on AI boundaries
Remind staff that AI assistants can process drafts and send messages. Encourage careful handling of sensitive content.
6) Audit Copilot activity logs
Review audit logs to see whether Copilot accessed or summarized labeled emails. This helps determine actual exposure rather than assumed risk.
7) Review sensitivity label configuration
Confirm that confidential labels are configured to block AI processing where required. Misconfigured labels can create gaps even after a bug is fixed.
8) Reassess retention and draft policies
Because the issue involved Sent Items and Drafts, evaluate whether sensitive drafts should be stored long-term or deleted after sending.
9) Limit Copilot to specific user groups
Instead of enabling Copilot organization-wide, consider a phased deployment to departments with lower sensitivity exposure.
10) Conduct a post-incident security review
Use this moment to reassess how AI tools integrate with compliance controls. Treat it as a learning opportunity rather than a one-time glitch.
Pro Tip: This Copilot bug centers on enterprise controls. Even so, AI tools operate on your devices and accounts, so keeping software up to date and using strong antivirus software adds an important layer of defense. Get my picks for the best 2026 antivirus protection winners for your Windows, Mac, Android & iOS devices at Cyberguy.com
Considering a more private email provider
Enterprise AI bugs raise a bigger question: how much access should email platforms have to your data in the first place? If you want an added layer of privacy beyond mainstream providers, privacy-focused email services are worth exploring.
Some offer end-to-end encryption, support for PGP encryption and a strict no-ads business model that avoids scanning messages for marketing purposes.
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Many also allow you to create disposable email aliases, which can reduce spam and limit exposure if one address is compromised.
While no provider is immune to software bugs, choosing an email service built around privacy rather than data monetization can limit how much of your information is accessible to automated systems in the first place.
For individuals, journalists and small businesses especially, that added control can make a meaningful difference.
For recommendations on private and secure email providers that offer alias addresses, visit Cyberguy.com
Kurt’s key takeaways
AI assistants are becoming part of daily work life. They promise speed, efficiency and smarter workflows. But convenience should never outrun security.
This Copilot bug may have a limited impact. Still, it serves as a reminder that AI tools are only as strong as the guardrails behind them.
When those guardrails slip, even briefly, sensitive information can move in unexpected ways. As AI becomes more embedded in business software, trust will depend on transparency, fast fixes and clear communication.
Here is the real question: If your AI assistant can see everything you write, are you fully confident it respects every boundary you set? Let us know by writing to us at Cyberguy.com
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Copyright 2026 CyberGuy.com. All rights reserved.
Technology
Acer’s launching a Linux handheld for streaming your PC games
The Acer Nitro Blaze Link might run on Linux, but it’s no Steam Deck. Acer says it’s a “streaming-first handheld and companion device,” like a PlayStation Portal for your PC. Announced ahead of Computex on Friday, it’s launching in Q4 2026 with a 7-inch (1920 x 1200) display, Wi-Fi 6, just 1GB of LPDDR4 RAM, and 8GB of eMMC storage. That’s technically not even enough RAM to run Stardew Valley, but the Blaze Link isn’t meant for playing games locally.
Logitech launched a similar handheld a few years ago, the Logitech G Cloud, that cost $350, included 4GB of RAM and 64GB of storage, and ran on Android. It was a tough sell at that price considering that its performance was dependent on a good internet connection.
Acer hasn’t yet announced a price for the Nitro Blaze Link. But its specs suggest it could cost significantly less than proper handheld gaming PCs — which have been skyrocketing in price — potentially offering a more affordable and streaming-first alternative.
Correction, May 29th: The Nitro Blaze Link was announced ahead of Computex 2026, not at it.
Technology
Fake grant email promises $4.5 Million but could steal your identity
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It shows up in your junk folder with a subject line that practically yells at you: “ATTENTION 1!!!” That alone should raise suspicion. Still, the message quickly escalates. It claims to come from the IMF (International Monetary Fund) and says you are approved for a $4.5 million grant.
That is where things start to fall apart. This type of scam is designed to trigger both excitement and urgency. It also pushes you to hand over sensitive information before you stop to think.
Let’s break down exactly what this email says and why each part signals trouble.
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NEW EMAIL SCAM USES HIDDEN CHARACTERS TO SLIP PAST FILTERS
A fake IMF grant email promises millions of dollars while asking recipients to share personal details and identity documents. (Rawf8/Getty Images)
The sender behind this IMF scam email
The email claims to be from the IMF. Yet the reply address is a Gmail account. That mismatch matters.
Legitimate financial institutions do not use free email services for official communication. They also do not ask you to reply to a personal inbox for something this serious.
Why the subject line is a warning sign
“ATTENTION 1!!!” is not how a global financial organization communicates. It is how scammers try to grab you fast.
Urgency lowers your guard. When you feel pressure, you are more likely to respond without verifying anything.
The greeting reveals a mass email
The message opens with “Attention: Sir/Madam.” If your name were truly selected for a multimillion-dollar payment, the sender would use it.
Generic greetings often mean the email was blasted out to thousands of people.
How the story tries to hook you
The email mentions debts tied to contracts, inheritance, lottery and loans. That wide net is intentional.
It increases the odds that something in the message feels familiar. Once that happens, the scam starts to feel personal.
The $4.5 million promise is the bait
The promise of $4.5 million is not random. Large numbers create excitement. They also make you more willing to overlook obvious problems.
Real financial grants do not appear out of nowhere like this.
YOUR EMAIL DIDN’T EXPIRE; IT’S JUST ANOTHER SNEAKY SCAM
Scam emails may use real organization names, official titles and urgent language to pressure people into responding quickly. (Pekic/Getty Images)
Why scammers use real names
The email mentions IMF Managing Director Kristalina Georgieva. That sounds official, which is the point.
Scammers often include real names or titles to make fake messages feel credible. It is a shortcut to trust.
The writing and grammar feel off
Phrases like “Kindly reply me directly” and awkward sentence structure stand out. One odd sentence might not mean much. However, repeated issues like this point to a lack of professional communication.
Major institutions have strict standards for how they write.
The most dangerous request in this email
This email requests:
- Full name
- Address and location
- Phone number
- Age and occupation
- A copy of your passport or driver’s license
That is everything needed for identity theft. Once someone has those details, they can open accounts, target you with more scams or impersonate you.
The payment method adds false legitimacy
The email promises a bank-to-bank wire transfer. That detail adds a layer of realism. It also sets up the next step. Many scams later ask for “fees” to release the funds.
You send money, and the payment never arrives.
Even the spam excuse is part of the scam
At the end, the email tries to explain away the biggest red flag: “If you have received this message in your SPAM/BULK folder, it is simply because your ISP has introduced restrictions. We urge that you treat it as a matter of urgency.” That is not a reassurance. It is a warning sign.
Scammers know their messages look suspicious, so they try to explain it away before you question it.
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Users should delete suspicious grant emails, avoid links and verify claims directly through official organization websites. (Photographer: Wei Leng Tay/Bloomberg via Getty Images)
How to stay safe from scam emails
Scams like this follow a pattern, and once you know what to look for, you can shut them down quickly before any damage is done.
1) Ignore and delete the message
Do not reply or engage in any way. Even a quick response tells scammers your email is active, which can lead to more targeted attacks. The safest move is to delete it and move on.
2) Do not click links or download attachments
Scam emails often hide malicious links or infected files. One click can take you to a fake login page or install malware on your device. If you were not expecting the message, do not interact with anything inside it.
3) Use strong antivirus software
Strong antivirus software adds another layer of protection. It can flag suspicious emails, block dangerous websites and stop malicious downloads before they cause harm. Get my picks for the best 2026 antivirus protection winners for your Windows, Mac, Android & iOS devices at Cyberguy.com
4) Never send personal documents
No legitimate organization will ask for your passport, driver’s license or other sensitive documents through an unsolicited email. Sending that information can open the door to identity theft and financial fraud.
5) Look closely at the sender
Do not rely on the display name alone. Check the full email address carefully for misspellings, random numbers or free domains like Gmail. Small details often reveal a fake.
6) Go directly to official sources
If the message seems important, verify it on your own. Type the organization’s website into your browser or use a trusted contact method. Do not use the links or contact details provided in the email.
7) Remove your personal data from the internet
Scammers often rely on publicly available information to make their messages feel convincing. Data removal services can reduce what is out there, making it harder for criminals to target you in the first place. 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
8) Turn on two-factor authentication
Add an extra layer of security to your accounts. With 2FA enabled, a stolen password alone is not enough for someone to get in. This simple step can stop many attacks before they start.
9) Monitor your financial accounts and credit
Check your bank statements and credit reports regularly. Look for unfamiliar charges, new accounts or changes you did not make. Catching fraud early can limit the damage.
10) Consider placing a credit freeze
If you think your personal information was exposed, a credit freeze can help protect you. It prevents new credit accounts from being opened in your name without your approval.
11) Add identity theft protection
Because this scam asks for your name, address, phone number, age, occupation and a copy of your passport or driver’s license, identity theft protection can help you spot trouble faster. A good service can monitor your credit files, alert you to new activity and help you recover if someone uses your information to open accounts or commit fraud in your name. See my tips and best picks on Best Identity Theft Protection at Cyberguy.com
12) Report the scam
Mark the email as phishing in your inbox. This helps your email provider block similar messages and protects other people from falling into the same trap.
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Kurt’s key takeaways
This email tries hard to look official. It uses a real organization, a real name and a convincing story. Still, the cracks show up quickly once you slow down. A Gmail reply address, a massive payout, a vague greeting and a request for identity documents all point in the same direction. Scams like this rely on one thing: getting you to act before you think. Take a second look, and the whole thing falls apart.
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If a message promises millions and asks for your personal information, would you pause long enough to question it, or would the urgency pull you in? Let us know by writing to us at Cyberguy.com
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- For simple, real-world ways to spot scams early and stay protected, visit CyberGuy.com – trusted by millions who watch CyberGuy on TV daily.
- Plus, you’ll get instant access to my Ultimate Scam Survival Guide free when you join.
Copyright 2026 CyberGuy.com. All rights reserved.
Technology
Blue Origin explosion is a major setback for NASA’s Moon plans and Amazon’s Starlink competitor
While Blue Origin investigates the root cause behind last night’s spectacular explosion of its New Glenn rocket, it’s already clear that this will be a major setback for NASA’s Moon base plans and Amazon’s fledgling Leo space internet constellation.
The incident occurred at about 9pm at Blue Origin’s Florida launch site during a hot-fire test, where seven engines in the booster stage are lit while keeping the 322-foot-tall rocket fixed to the launchpad. The explosion and ensuing fireball severely damaged the only launchpad Blue Origin has for its New Glenn rocket.
“It’s too early to know the root cause but we’re already working to find it,” wrote Blue Origin boss Jeff Bezos on X. “Very rough day, but we’ll rebuild whatever needs rebuilding and get back to flying. It’s worth it.”
According to sources speaking to Ars Technica, the transporter-erector and one of the lightning towers at LC-36A may not be salvageable. “New Glenn almost certainly will not launch again in 2026, and frankly a launch during the first half of 2027 would be heroic given the launch site concerns,” writes Eric Berger, senior space editor at Ars Technica.
Such a delay would affect NASA’s Moon base plans. NASA announced on Tuesday that New Glenn would deliver a robotic lunar lander as soon as fall 2026. In 2027, Blue Origin is also scheduled to participate in the upcoming Artemis III mission, which will see astronauts docking their Orion capsule with lunar landers developed by SpaceX and Blue Origin.
“Spaceflight is unforgiving, and developing new heavy-lift launch capability is extraordinarily difficult,” said NASA administrator Jared Isaacman on X. “We will work with our partners to support a thorough investigation of this anomaly, assess near-term mission impacts, and get back to launching rockets.”
The New Glenn rocket that exploded Thursday night was being prepped to carry 48 Amazon Leo satellites — the largest batch ever slated for a single launch — into low-Earth orbit on an upcoming mission. The satellites were not onboard.
To date Amazon has launched just over 300 of the 1,618 Leo satellites the FCC requires by July 30, 2026. Amazon has applied for an extension to keep its license.
Amazon had been counting on New Glenn’s massive payload capacity and reusable boosters to accelerate a launch schedule that is already behind. Without its primary workhorse, Amazon will be forced to rely more heavily on secondary providers like United Launch Alliance (ULA) and Arianespace — and its chief rival, SpaceX.
“Sorry to see this,” wrote fellow billionaire spaceman Elon Musk on X. “I hope you recover quickly.”
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