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Blue Shield exposed 4.7M patients’ health data to Google

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Blue Shield exposed 4.7M patients’ health data to Google

Healthcare institutions and insurers arguably collect the most sensitive information about you, including IDs, contact details, addresses and medical records. But they often don’t put in the same level of effort to protect that data. 

That’s clear from the growing number of healthcare data breaches we’ve seen recently. In most of those cases, a bad actor was involved. 

But in the latest news, health insurance giant Blue Shield of California confirmed that it had been sharing private health data of 4.7 million users with Google for three years without even realizing it.

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A person doing a Google search  (Kurt “CyberGuy” Knutsson))

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What you need to know

Blue Shield of California just admitted to a major data privacy slip that went on for almost three years, from April 2021 to January 2024. It was using Google Analytics to track how people used its member websites. This is totally normal since every business does it. But the tool was accidentally sharing sensitive info with Google Ads because it wasn’t set up properly. 

What I find extremely shocking is that it took the company three years to realize it was sharing its user data with Google to run ads. This says a lot about how much these healthcare giants care about protecting your data. 

The shared data included a broad array of protected health information (PHI), including names, zip codes, gender, medical claim dates, online account numbers, insurance plan names, group numbers, family data and even search criteria used in its “Find a Doctor” feature.

“Google may have used this data to conduct focused ad campaigns back to those individual members. We want to reassure our members that no bad actor was involved, and, to our knowledge, Google has not used the information for any purpose other than these ads or shared the protected information with anyone,” the company said in a notice on its website.

This incident is not isolated. Over the past few years, healthcare and tech companies have come under scrutiny for similar missteps. The Federal Trade Commission (FTC) and the Department of Health and Human Services (HHS) have already issued warnings about the use of tracking technologies in healthcare, especially those that might expose patient data to third parties without adequate transparency or safeguards.

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A Google spokesperson provided the following comment to CyberGuy when asked about the Blue Shield data breach:

“Businesses, not Google, manage the data they collect and must inform users about its collection and use. By default, any data sent to Google Analytics for measurement does not identify individuals, and we have strict policies against collecting private health information (PHI) or advertising based on sensitive information.”

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A person working on their laptop  (Kurt “CyberGuy” Knutsson)

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Impact on patients and the industry

Since the data was only shared with Google and not any other party, the overall risk is relatively low, apart from the clear privacy violation. It’s highly unlikely that anyone else will gain access to it, so the chances of the data being misused are slim. Google says it doesn’t allow ads to be served based on sensitive information like health, so there’s a good chance your data wasn’t even used for advertising.

Blue Shield’s case follows a string of similar breaches. Companies like GoodRx, BetterHelp and Kaiser have all faced regulatory and legal consequences for sharing sensitive user data with advertising vendors. Some even settled for millions of dollars. Despite the risks, many healthcare organizations have continued using these tools due to the lack of clear regulatory guardrails, a situation complicated further by a federal court ruling that blocked the Biden administration’s attempts to curb the use of online trackers in healthcare settings.

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A person working on a laptop (Kurt “CyberGuy” Knutsson)

HOW TO REMOVE YOUR PRIVATE DATA FROM THE INTERNET

How to protect your health data online

The Blue Shield of California incident is a reminder that even well-known healthcare providers can mishandle sensitive data. While you can’t always control what happens behind the scenes, there are steps you can take to reduce your exposure and safeguard your privacy:

1. Limit what you share on health portals: Avoid entering more personal details than absolutely necessary on insurance or provider websites. Tools like “Find a Doctor” might log your search terms, so keep inputs vague when possible.

2. Use privacy-focused browsersBrowsers like Brave or Firefox offer built-in privacy protections, such as blocking third-party trackers that could expose health-related browsing activity.

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3. Turn off ad personalization: Visit Google’s Ad Settings and disable ad personalization. This won’t stop tracking, but it can reduce how your data is used for targeting.

4. Opt out of tracking where possible: Many healthcare sites use cookies and tracking tools. Choose “reject all” or the strictest privacy settings in cookie banners. If a tracking opt-out tool is available, use it.

5. Read privacy policies (yes, really): Look for language like “third-party sharing,” “advertising,” or “analytics.” If a healthcare provider mentions tools like Google Analytics or Meta Pixel, that’s a cue to proceed cautiously.

6. Monitor your accounts and credit: Keep an eye out for unusual insurance claims or medical charges. Set up credit alerts or monitoring services if your provider offers them, especially after a breach.

7. Ask questions: Call or email your healthcare provider or insurer. Ask what tracking tools they use and how they protect your data. The more consumers push for transparency, the more pressure there is to improve standards.

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Bonus privacy steps (For extra peace of mind)

If you want to go beyond the basics, here are some additional steps that can help reduce your digital footprint and catch misuse early:

Use a personal data removal service: 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 here. 

Consider identity theft protection services: If you’re concerned about fraud or medical identity theft, you’ll want to consider using identity theft protection services. 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. 

Use strong antivirus software: To guard against malware or phishing attacks that could compromise access to your online health accounts, be sure to use strong antivirus software. The best way to safeguard yourself from malicious links that install malware, potentially accessing your private information, is to have antivirus software installed on all your devices. This protection can also alert you to phishing emails and ransomware scams, keeping your personal information and digital assets safe. Get my picks for the best 2025 antivirus protection winners for your Windows, Mac, Android and iOS devices. 

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Kurt’s key takeaway

It baffles me how careless most companies are when it comes to protecting user data. Blue Shield “mistakenly” shared your data with Google, which then used it to show personalized ads. It took the company three years to realize this. While most cyber incidents involve an attacker, this breach didn’t need one. We need accountability in data practices, especially when human error or tech oversight can cause damage at scale.

How comfortable are you knowing that your health data might be used to target ads? 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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How to manage your bookmarks in Google Chrome

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How to manage your bookmarks in Google Chrome

There’s a lot to look at, watch, and listen to on the web. Fully utilizing the bookmarks feature in Google Chrome can be a real help in staying on top of everything.

Chrome is the browser I use most often, and I’ve got a huge number of bookmarked sites inside it: long reads I want to get back to once work is done, news updates to write up for work, gift ideas, apps I’d like to check out, important Slack channels, and content systems for my job… the list goes on. All synced between devices and available everywhere.

If you haven’t done a deep dive into Chrome’s bookmarks feature then you might not be aware of everything you can do with it, how it can save you time, and how you can bring some kind of order to your web browsing.

You can edit bookmarks as soon as you’ve saved them.
Screenshot: Google

The star icon to the right of the address bar in Chrome on the desktop is for saving new bookmarks. Click it and the current page gets saved to the most recently used bookmarks folder. You can also press Ctrl+D (Windows) or Cmd+D (macOS), which is even easier. On mobile, tap the three dots at the top then the star icon (Android), or the three dots at the bottom then Add to bookmarks (iOS) to save the current page as a new bookmark.

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As soon as a bookmark is saved, a small dialog pops up. You can use it to change the bookmark name and folder if you need to, or just click Done to move on.

More options can be found on the desktop by clicking the three dots (top right) then Bookmarks and lists. You’re able to add bookmarks from this menu, too, and there’s also a Bookmark all tabs option, which saves every open tab (which, like tab groups, is handy if you need to do something else but want to be able to get back to where you are).

On the same Bookmarks and lists menu you can toggle the bookmarks bar on and off. The bookmarks bar sits just below the address bar, and gives you another way to add bookmarks: drag the URL of the site you’re viewing down from the address bar to the bookmarks bar.

The main bookmarks management page from Chrome.

You can find your saved links in the bookmark manager.
Screenshot: Google

Bookmarks become a lot more useful when they’re well organized. On the desktop you can launch the full bookmarks manager by clicking Bookmarks on the bookmarks bar, or by clicking the three dots (top right) and then Bookmarks and Lists > Bookmark Manager. You can search through your bookmarks here, and create new folders: Click the three dots (top right), then Add new folder — and yes, you can put folders inside other folders. (This is also where you’ll find the Export feature, and it’s a good idea to export your bookmarks occasionally as a backup.)

Folders are a key part of keeping your bookmarks organized, and they’re all accessible on the left of the bookmarks manager page. Click and drag bookmarks to change their order, or to move them into different folders. Right-click on a folder to rename or delete it, or drag it on top of another folder to put it inside that folder.

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You can double-click any bookmark to open it. To edit it, click the three dots to the right: You’re able to rename your bookmarks and change their URLs, as well as put them in different folders. If you right-click on a bookmarks folder, you get the option to open all the links it contains in separate tabs — which may not do your computer much good if there are dozens or hundreds of bookmarks in the folder.

The bookmark manager can be accessed on mobile too, though you don’t get quite as many options to play around with. Tap the three dots at the top (Android) or bottom (iOS) of the interface, then choose Bookmarks to see the list. As long as you’re signed in with your Google account, bookmarks will sync between your devices.

Doing more with bookmarks

Closeup of the bookmarks bar on Chrome with only icons.

With some tweaks, you can get your bookmarks bar looking much more compact.
Screenshot: Google

There are other ways to work with your bookmarks in Chrome.

  • Here’s a clever trick for your desktop bookmarks bar: right-click on each bookmark in turn, remove the text in the Name field completely each time, and click Save. You’ll then have a compact row of bookmark icons showing only the favicons for each site (such as a purple V for The Verge). It’s a neat way to put more bookmarks within each reach, and you can still tell what each one is.
  • Something else you might want to try is to search through your bookmarks directly from the address bar. You may see some bookmark results suggested underneath as you type out your search query, and you can also force a bookmarks search by preceding your query with “@bookmarks” and a space.
  • If you want to keep bookmarks visible at all times, that’s possible too. Click the three dots in Chrome for the desktop, then choose Bookmarks and lists > Show all bookmarks. A side panel appears displaying all your bookmarks: You can search through them, create new folders, and edit your bookmarks from here (click the three dots to the side).
  • The icons in the top right corner, from left to right, let you change the order of the bookmark lists, switch between compact and visual views, and edit multiple bookmarks at once. You can shut down the panel with the X button, but if you click the pin button just next to it before you do, you get a dedicated bookmarks panel icon that stays permanently available on the Chrome toolbar, and will let you open it back up again.

This has hopefully given you some idea of what you can do with bookmarks in Google Chrome. And there’s more, so it might be worth it to take some time and look around. It’s not the most sophisticated of systems, but it does give you plenty of flexibility in terms of how you can use it and what’s possible, so you can get your folders and shortcuts set up in the ways that work best for you.

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Space capsule marks milestone for bringing cargo back from orbit

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Space capsule marks milestone for bringing cargo back from orbit

While the United States has long been a leader in space exploration and commercial launches, Europe is now making significant strides of its own. Recently, a major milestone was achieved when Atmos Space Cargo, a European startup, successfully completed the first orbital test flight of its Phoenix 1 re-entry space capsule. 

This mission, which launched from Cape Canaveral, Florida, as part of a SpaceX Falcon 9 rideshare, marks a new chapter in global space logistics. 

By demonstrating that Europe can develop and operate advanced return technology, Atmos is helping to make space more accessible and efficient for researchers, businesses and innovators on both sides of the Atlantic. 

This achievement signals the arrival of a new player in the space return market and opens the door to greater collaboration and competition in the rapidly growing field of commercial space logistics.

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Phoenix 1   (Atmos Space Cargo)

The mission: From launch to splashdown

Phoenix 1 launched aboard a SpaceX Falcon 9 rocket from Cape Canaveral, Florida, as part of the Bandwagon-3 rideshare mission. After reaching a 45-degree inclination orbit, the capsule completed one full trip around Earth. A carefully timed de-orbit maneuver then sent Phoenix 1 back toward the planet. During its descent, the capsule deployed an innovative inflatable heat shield, a technology designed by Atmos to protect the capsule during the intense heat and friction of reentry. 

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As Phoenix 1 reentered Earth’s atmosphere, it transmitted critical system and payload data to ground stations in South America. The capsule splashed down in the Atlantic Ocean, about 1,240 miles off the Brazilian coast. Because of the remote landing location, recovery of the capsule was not planned. However, the mission’s main objectives were met, and the data collected is now being analyzed to inform future missions.

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Phoenix 1  (Atmos Space Cargo)

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Why Phoenix 1 is a big milestone

The success of Phoenix 1 establishes Atmos as the fastest-moving private space logistics company in Europe to conduct an orbital return mission. This achievement demonstrates that Europe is on the path to developing independent, sovereign return capabilities. 

It also shows that private industry can lead the way in building essential space infrastructure. Atmos’ rapid prototyping approach allowed the team to develop, qualify and fly Phoenix 1 in less than a year. This speed is almost unheard of in the space industry and highlights the company’s commitment to innovation and hands-on problem-solving. The mission also proved that multinational collaboration is possible, as teams from around Europe worked together to achieve a common goal.

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Phoenix 1   (Atmos Space Cargo)

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What was learned and tested

The Phoenix 1 mission had several core objectives. The team aimed to collect in-flight data from the capsule and its subsystems while in orbit. The mission also carried scientific and commercial payloads, including technology demonstrators and biological experiments from partners such as Frontier Space, Imperial College London, DLR and IDDK. 

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Another key goal was to deploy and test the inflatable heat shield under real reentry conditions. Although some data from the final stage of descent could not be retrieved due to the splashdown location, the mission still provided valuable insights. The data received from the capsule has already contributed to the development of Phoenix 2, the next-generation capsule planned for launch in 2026.

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space capsule 4

Phoenix 1 (Atmos Space Cargo)

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The technology: Inflatable heat shield and rapid prototyping

The inflatable heat shield is a breakthrough in reentry technology. Traditional capsules rely on heavy, single-use heat shields or parachutes to survive reentry. Atmos’ design is lighter, more efficient and potentially reusable, which could dramatically reduce the cost and complexity of returning cargo from space. 

Atmos’ development philosophy is based on rapid prototyping and real-world testing. The team believes in building and testing hardware quickly, learning from each iteration and making improvements based on real data rather than relying solely on simulations. This approach allowed Phoenix 1 to go from concept to space in record time.

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space capsule 5

Phoenix 1   (Atmos Space Cargo)

The road ahead

Atmos is already working on Phoenix 2, which will include its own propulsion system. This upgrade will allow the capsule to control its reentry trajectory and choose its splashdown zone, making recovery much easier and more practical. The company’s vision is to create a flexible, cost-efficient and reliable logistics platform for space, supporting both commercial and institutional missions. 

With a payload efficiency of 1:2, Phoenix already offers the highest mass efficiency on the market. This opens new opportunities for microgravity research, in-space manufacturing and biotechnology. The technology will also support Europe’s defense sector and strengthen the continent’s independent space infrastructure.

space capsule 6

Phoenix 1  (Atmos Space Cargo)

What this means for you

The success of Phoenix 1 is not just a technical achievement for engineers and scientists. It has the potential to assist with many aspects of everyday life. Faster and more affordable access to space means that new technologies, medicines and materials can be developed and tested in microgravity and then brought back to Earth for use.

Universities, startups and small companies will have more opportunities to conduct experiments in space without the high costs and long wait times that have been barriers in the past. Atmos Space Cargo’s growing space capabilities could also lead to new jobs, investment and technological leadership.

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Phoenix 1   (Atmos Space Cargo)

Kurt’s key takeaways

Phoenix 1’s successful mission is a sign that space is becoming more accessible and that innovation is happening at an unprecedented pace. By proving that rapid development and new ideas can work in the challenging environment of space, Atmos Space Cargo is paving the way for a future where space logistics are as routine as shipping goods across continents. The next generation of breakthroughs in science and technology may very well start their journey with a ride on a capsule like Phoenix.

Do you think the United States should accelerate its own space return technology to stay ahead, or is international competition good for innovation? 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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Apple is trying to get ‘LLM Siri’ back on track

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Apple is trying to get ‘LLM Siri’ back on track

Apple Intelligence has been a wreck since its first features rolled out last year, and a big new report from Bloomberg’s Mark Gurman details why — and how Apple is trying to piece things back together. And much of its effort hinges on rebuilding Siri from the ground up.

Gurman has reported in the past that Apple is working on what it’s internally calling ‘LLM Siri’ — a reworked, generative AI version of the company’s digital assistant. Apple’s previous approach of merging the assistant with the existing Siri hasn’t been working. Gurman describes in great detail a number of reasons why, but here’s a quick summary:

Now the company is trying to rejigger its approach. Part of that is a total overhaul of Siri, rather than just trying to make generative AI work in concert with the old Siri. According to Gurman, Apple has its AI team in Zurich working on a new architecture that will “entirely build on an LLM-based engine.” Gurman reported in November last year that the company was working on this, and the idea is that it will make the assistant “more believably conversational and better at synthesizing information.”

Another part of the solution is leveraging iPhones and differential privacy to improve Apple’s synthesized data — comparing fake training data with language from iPhone users’ emails, but doing so on-device and sending only the synthesized data back to Apple for AI training. And one way the company is discussing improving Siri is letting the LLM version loose on the web to “grab and synthesize data from multiple sources.” Basically, Siri as an AI web search tool not unlike Perplexity, which is one of the companies Apple has approached about partnering for AI search in Safari.

Whatever the outcome, apparently Giannandrea won’t be a direct part of it, having been taken off of product development, Siri, and robotics projects in the spring. According to Gurman, Apple execs have talked about putting him “on a path to retirement,” but are concerned that some of the research and engineering folks he brought with him would leave with him, too. Whatever the case, Gurman says Giannandrea plans to stick around, “relieved Siri is now someone else’s problem.”

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