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Thousands of iPhone apps expose data inside Apple App Store

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Thousands of iPhone apps expose data inside Apple App Store

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Apple often promotes the App Store as a secure place to download apps. The company highlights strict reviews and a closed system as key protections for iPhone users. That reputation now faces serious questions.

New research shows that thousands of iOS apps approved by Apple contain hidden security flaws. These flaws can expose user data, cloud storage and even payment systems. 

The issue is not malware; it’s poor security practices baked directly into the app code.

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APPLE WARNS MILLIONS OF IPHONES ARE EXPOSED TO ATTACK

Cybernews researchers found that many iOS apps store sensitive secrets directly inside app files, where they can be easily extracted. (Kurt “CyberGuy” Knutsson)

What researchers discovered inside iOS apps

Security researchers at Cybernews, a cybersecurity research firm, analyzed the code of more than 156,000 iPhone apps. That represents about 8% of all apps available worldwide.

Here is what they found:

  • Over 815,000 hidden secrets inside app code
  • An average of five secrets per app
  • 71% of apps leaked at least one secret

These secrets include passwords, API keys and access tokens. Developers place them directly inside apps, where anyone can extract them. According to Cybernews researcher Aras Nazarovas, this makes attackers’ jobs much easier than most users realize.

What are hardcoded secrets in simple terms?

A hardcoded secret is sensitive information saved directly inside an app instead of being protected on a secure server. Think of it like writing your bank PIN on the back of your debit card. Once someone downloads the app, they can inspect its files and pull out those secrets. Attackers do not need special access or advanced hacking tools. Both the Cybersecurity and Infrastructure Security Agency and the Federal Bureau of Investigation warn developers not to do this. Yet it is happening at a massive scale.

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Cloud storage leaks exposed huge amounts of data

One of the most serious problems involves cloud storage. More than 78,000 iOS apps contained direct links to cloud storage buckets. These buckets store files such as photos, documents, receipts and backups. In some cases, no password was required at all. Researchers found:

  • 836 storage buckets are fully open to the public
  • Over 76 billion exposed files
  • More than 406 terabytes of leaked data

This data included user uploads, registration details, app logs and private records. Anyone who knew where to look could view or download it.

APPLE PATCHES TWO ZERO-DAY FLAWS USED IN TARGETED ATTACKS

This chart shows the most common types of hardcoded secrets found inside iOS apps, with Google-related keys appearing most often, according to Cybernews research. (Cybernews)

Firebase databases were also left open

Many iOS apps rely on Google Firebase to store user data. Cybernews found more than 51,000 Firebase database links hidden in app code. While some were protected, over 2,200 had no authentication. That exposed:

  • Nearly 20 million user records
  • Messages, profiles, and activity logs
  • Databases that are mostly hosted in the U.S.

If a Firebase database is not locked down, attackers can browse user data like a public website.

Payment and login systems were at risk too

Some of the leaked secrets were far more dangerous than analytics or ads. Researchers discovered secret keys for:

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  • Stripe, which handles payments and refunds
  • JWT authentication systems that control logins
  • Order management tools used by shopping apps

A leaked Stripe secret key can allow attackers to issue refunds, move money or access billing details. Leaked login keys can let attackers impersonate users or take over accounts.

AI and social apps were among the worst offenders

Some of the apps with the largest leaks were related to artificial intelligence. According to VX Underground, security firm CovertLabs identified 198 iOS apps leaking user data. The worst known case was Chat & Ask AI by Codeway. Researchers say it exposed chat histories, phone numbers and email addresses tied to millions of users. Another app, YPT – Study Group, reportedly leaked messages, user IDs and access tokens. CovertLabs tracks these incidents in a restricted repository called Firehound. The full list of affected apps has not been publicly released, and researchers say the data is limited to prevent further exposure and to give developers time to fix security flaws.

MALICIOUS GOOGLE CHROME EXTENSIONS HIJACK ACCOUNTS

This example shows how sensitive keys like Google API credentials and Stripe payment secrets can be stored directly inside an iOS app’s files, where they are easy to extract. (Cybernews)

Why Apple’s App review can miss hidden security risks

Apple reviews apps before they appear in the App Store. However, the review process does not scan app code for hidden secrets. If an app behaves normally during testing, it can pass review even if sensitive keys are buried inside its files. This creates a gap between Apple’s security claims and real-world risks. Removing leaked secrets is not simple for developers. They must revoke old keys, create new ones and rebuild parts of their apps. That can break features and delay updates. Even though Apple says most app updates are reviewed within 24 hours, some updates take weeks. During that time, vulnerable apps can remain available.

CyberGuy contacted Apple for comment, but did not receive a response before publication.

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Ways to stay safe right now

You cannot easily inspect an app for hidden secrets. Apple does not provide tools for that. Still, you can reduce your risk and limit exposure by being selective and cautious. These steps help reduce the risk if an app leaks data behind the scenes.

1) Stick to established app developers

Well-known developers tend to have stronger security teams and better update practices. Smaller or unknown apps may rush features to market and overlook security basics. Before downloading, check how long the developer has been active and how often the app is updated.

2) Review and limit app permissions

Many apps ask for more access than they need. Location, contacts, photos and microphone access all increase the risk of data leaks. Go into your iPhone settings and remove permissions that are not essential for the app to work.

3) Delete apps you no longer use

Unused apps still retain access to data you shared in the past. They may also store information on remote servers long after you stop opening them. If you have not used an app in months, remove it. Here’s how: Open Settings, tap General, select iPhone Storage, and scroll through the list of apps to see when each one was last used. Tap any app you no longer need and select Delete App to remove it and reduce ongoing data exposure.

4) Be cautious with personal and financial details

Avoid entering sensitive information unless it is absolutely necessary. This includes full names, addresses, payment details and private conversations. AI apps are especially risky if you share deeply personal content.

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5) Use a password manager for every account

A password manager creates strong, unique passwords for each app and service. This prevents attackers from accessing multiple accounts if one app leaks data. Never reuse passwords tied to your email address.

Next, see if your email has been exposed in past breaches. Our No. 1 password manager pick includes a built-in breach scanner that checks whether your email address or passwords have appeared in known leaks. If you discover a match, immediately change any reused passwords and secure those accounts with new, unique credentials.

Check out the best expert-reviewed password managers of 2026 at Cyberguy.com.

6) Change passwords tied to exposed apps

If an app uses your email address for login, change that password immediately. Do this even if there is no confirmation of a breach. Attackers often test leaked credentials across other services.

7) Consider using a data removal service

Some leaked data ends up with data brokers that sell personal information online. A data removal service can help find and remove your details from these databases. This reduces the chance that exposed app data gets reused for scams or identity theft.

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While no service can guarantee the complete removal of your data from the internet, a data removal service is really a smart choice. They aren’t cheap, and neither is your privacy. These services do all the work for you by actively monitoring and systematically erasing your personal information from hundreds of websites. It’s what gives me peace of mind and has proven to be the most effective way to erase your personal data from the internet. By limiting the information available, you reduce the risk of scammers cross-referencing data from breaches with information they might find on the dark web, making it harder for them to target you.

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.

Get a free scan to find out if your personal information is already out on the web: Cyberguy.com.

8) Monitor your accounts for unusual activity

Watch for unexpected emails, password reset notices, login alerts, or payment confirmations. These can signal that leaked data is already being abused. Act quickly if something looks off.

9) Pause use of risky AI and chat apps

If you use AI apps for private conversations, consider stopping until the developer confirms security fixes. Once data is exposed, it cannot be pulled back. Avoid sharing sensitive details with apps that store conversations remotely.

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Kurt’s key takeaways

Apple’s App Store still offers important protections, but this research shows it is not foolproof. Many trusted iPhone apps quietly expose data due to basic security mistakes. Until app reviews improve, you need to stay alert and limit how much data you share.

How many apps on your iPhone have access to information you would not want exposed? Let us know by writing to us at Cyberguy.com.

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Copyright 2026 CyberGuy.com. All rights reserved.

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Technology

Acer’s launching a Linux handheld for streaming your PC games

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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.

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Fake grant email promises $4.5 Million but could steal your identity

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Fake grant email promises .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.

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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.

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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.

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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.

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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.

THE ONE THING SCAMMERS CHECK BEFORE TARGETING YOU ONLINE

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.

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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. 

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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.

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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.

Join CyberGuy Live: Lock Down Your Phone in 30 Minutes (Saturday, June 13, 10 am ET)

Your phone holds your email, passwords, photos, banking apps and personal data. In this free, live online class, Kurt the CyberGuy will walk you step by step through simple phone security fixes you can do in real time. 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. Register here: CyberGuyLive.com

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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  • Get my best tech tips, urgent security alerts and exclusive deals delivered straight to your inbox.
  • 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.

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Blue Origin explosion is a major setback for NASA’s Moon plans and Amazon’s Starlink competitor

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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.

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“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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