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UnitedHealth cyberattack exposes 190 million in largest US healthcare data breach

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UnitedHealth cyberattack exposes 190 million in largest US healthcare data breach

UnitedHealth’s Change Healthcare unit suffered a data breach in February 2024, the news of which surfaced Feb. 21. 

Initially reported to have affected around 100 million individuals, the U.S. health insurance giant has now revealed that the actual number is significantly higher: 190 million. This makes it the largest breach of medical data in U.S. history, affecting nearly half the country’s population. 

A breach of this magnitude can have devastating consequences for the American people as malicious actors could exploit the data for a range of attacks if it finds its way to the dark web.

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A doctor looking at patient’s private information (Kurt “CyberGuy” Knutsson)

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The updated impact assessment

UnitedHealth confirmed on Friday, Jan. 24, 2025, that the ransomware attack on its Change Healthcare unit affected approximately 190 million people in the United States. The company had previously estimated the number of affected individuals to be around 100 million in its preliminary analysis filed with the Office for Civil Rights, a division of the U.S. Department of Health and Human Services that investigates data breaches.

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UnitedHealth stated that the majority of those impacted have already been notified, either directly or through substitute notice. The final tally of affected individuals will be confirmed and submitted to the Office for Civil Rights at a later date.

The company tells CyberGuy it is “not aware of any misuse of individuals’ information as a result of this incident and has not seen electronic medical record databases appear in the data during the analysis.” However, UnitedHealth did not disclose when it became aware of the additional 90 million victims, how the revised figure was determined or what changes led to the updated number.

Illustration of a hacker at work (Kurt “CyberGuy” Knutsson)

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THE HIDDEN COSTS OF FREE APPS: YOUR PERSONAL INFORMATION

What you need to know about the data breach

The cyberattack on Change Healthcare in February caused widespread disruptions across the U.S. healthcare sector, as the company took its systems offline to contain the breach. This shutdown impacted critical services such as claims processing, payments and data sharing, which many healthcare providers rely on.

The stolen data varied by individual but included a broad range of personal and sensitive information, such as names, addresses, dates of birth, phone numbers, email addresses and government ID numbers, including Social Security, driver’s license and passport details.

Plus, hackers may have accessed health-related information, including diagnoses, medications, test results, imaging records, care and treatment plans, and health insurance details. Financial and banking information tied to claims and payment data was also reportedly compromised.

The breach was the result of a ransomware attack carried out by ALPHV/BlackCat, a Russian-speaking ransomware and extortion group. The attack, a form of malware intrusion, locks victims out of their data unless a ransom is paid. ALPHV/BlackCat later took credit for the attack.

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During a House hearing in April, Change Healthcare admitted that the breach was made possible due to inadequate security measures, specifically the absence of two-factor authentication to protect its systems.

Illustration of a hacker at work (Kurt “CyberGuy” Knutsson)

FROM TIKTOK TO TROUBLE: HOW YOUR ONLINE DATA CAN BE WEAPONIZED AGAINST YOU

6 ways to protect yourself from Change Healthcare data breach

1. Remove your personal information from the internet: The breach has exposed sensitive personal data, making it essential to reduce your online footprint. While no service can guarantee complete data removal, a reputable data removal service can significantly limit your exposure. These services systematically monitor and erase your personal information from numerous websites and data brokers. Check out my top picks for data removal services here.

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2. Be wary of mailbox communications: With addresses among the compromised data, scammers may exploit this breach to send fraudulent letters. Be aware of mail claiming missed deliveries, account suspensions or security alerts. Always verify the authenticity of such communications before responding or taking action.

3. Be cautious of phishing attempts and use strong antivirus software: Scammers may use your compromised email or phone number to target you with phishing attacks. Be wary of messages asking for personal information or containing suspicious links. To protect yourself, ensure strong antivirus software is installed on all your devices. Get my picks for the best 2025 antivirus protection winners for your Windows, Mac, Android and iOS devices.

4. Monitor your accounts: Given the scope of this breach, regular monitoring of your bank accounts, credit card statements and other financial accounts is critical. Look for unauthorized transactions or suspicious activity and immediately report any issues to your bank or credit card provider.

5. Recognize and report a Social Security scam: If your Social Security number is exposed, you could become a target for related scams. Official communication regarding Social Security issues usually comes via mail, not phone calls or emails. Learn more about spotting and reporting scams by visiting the Social Security Administration’s scam information page.

6. Invest in identity theft protection: Data breaches happen every day, and most never make the headlines, but with an identity theft protection service, you’ll be notified if and when you are affected. 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. See my tips and best picks on how to protect yourself from identity theft.

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Kurt’s key takeaway

It’s surprising that a company of UnitedHealth’s scale failed to implement even basic cybersecurity measures when handling customer data. A breach affecting 190 million people – nearly half of the U.S. population – is staggering, leaving almost anyone at risk of becoming a target for hackers. While the company is still assessing the full extent of the breach, you can take precautions now by being cautious with any unknown links or unsolicited calls. Bad actors may use a variety of tactics to cause harm.

Do you think these companies are doing enough to protect your data, and is the government doing enough to catch those behind cyberattacks? 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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Is that traffic ticket text a scam or real?

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Is that traffic ticket text a scam or real?

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You’re going about your day when your phone buzzes. A text hits your phone. It looks official. It sounds urgent. And suddenly, you are being told you owe money for a traffic violation. That is exactly what Todd from Texas experienced. He emailed us and said:

“I received this text message today. It was so baffling because I haven’t lived in California for nearly a decade. I didn’t click on anything or respond. How can I tell if this is for real or if this is a scam?”

If you’ve gotten a message like this, you are not alone. This type of scam is spreading fast, and it is designed to pressure you into acting before you think. Let’s break down what is really going on.

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FAKE AGENT PHONE SCAMS ARE SPREADING FAST ACROSS THE US

This message may look official, but several red flags show it is likely a scam designed to pressure you into paying quickly. (Kurt “CyberGuy” Knutsson)

What the traffic ticket scam text looks like

At first, the message seems convincing. It claims to be a “final reminder” from the California DMV, and it warns of penalties like license suspension and added fees. It even includes a link that appears somewhat official. However, once you slow down and take a closer look, the red flags quickly start to pile up.

The biggest red flags in this message

Here are the key warning signs to watch for in messages like this.

9 WAYS SCAMMERS CAN USE YOUR PHONE NUMBER TO TRY TO TRICK YOU

1) The phone number makes no sense

The message comes from a number with a +63 country code. That is the Philippines, not California. Government agencies in the U.S. do not send official legal notices from international numbers. That alone is a major warning sign.

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2) No name, just “Dear Driver”

Legitimate notices from a DMV or court almost always include your full name or at least some identifying information. “Dear Driver” is vague on purpose. It allows scammers to send the same message to thousands of people.

3) The link isn’t a real DMV website

The message includes this link:

ca.mnvtl.life/dmv

That isn’t a government domain. Official DMV websites in California use “.ca.gov” or similar trusted domains. Scammers often create lookalike links to trick you into clicking.

4) Urgency and threats

The message pushes you to act quickly with a deadline. It lists consequences like license suspension and extra charges. Scammers rely on fear. When you feel rushed, you are more likely to click without thinking.

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5) Asking you to reply to proceed

The text says to reply with “Y” to get instructions. That is another trap. Responding confirms your number is active, which can lead to more scam messages.

6) Generic language and odd phrasing

Parts of the message feel slightly off. The tone is formal but not quite right. That subtle awkwardness is common in scam messages sent to large groups of people.

7) Overloaded threats designed to scare you

The message piles on consequences like license suspension, added fees, court action and even credit damage. In this case, it even mentions a license suspension and a $160 late payment charge. That combination is meant to overwhelm you and push you to act fast. Real agencies usually provide clear, specific notices, not a long list of escalating threats in a single text.

INSIDE A SCAMMER’S DAY AND HOW THEY TARGET YOU

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Scam texts like this often arrive out of nowhere and try to create urgency before you have time to question them. (Kurt “CyberGuy” Knutsson)

What this means for you

Even if you have never driven in California, you could still receive this message. Scammers cast a wide net and hope someone takes the bait. If you click the link, you could be taken to a fake payment page. That page may ask for your credit card details, personal information or login credentials. In some cases, it can also install malware on your device or redirect you to credential-stealing pages. This isn’t about a ticket. It is about getting your data.  State DMVs typically do not send final legal notices or payment demands by text message.

Why these scams keep working

These messages work because they tap into something most people fear. Legal trouble, fines and losing driving privileges. They also look just real enough to pass a quick glance. That is all scammers need. As more services move online, these scams will continue to evolve.

Unlike typical DMV scams, this message impersonates a court and escalates the threats to make the situation feel more serious (Kurt “CyberGuy” Knutsson)

Ways to stay safe from traffic ticket text scams

Start with a simple rule. Never trust a payment request that shows up out of nowhere. Here are practical steps you can take:

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1) Do not click the link

If you are unsure, do not tap anything in the message. That includes links and reply options.

2) Use strong antivirus software

If you accidentally click a link, strong antivirus software can help detect malware and protect your data. Get my picks for the best 2026 antivirus protection winners for your Windows, Mac, Android & iOS devices at Cyberguy.com

3) Verify directly with the DMV

Go to your state’s official DMV website by typing it yourself into your browser. Do not use the link in the text.

4) Check the sender carefully

Look at the phone number. International numbers or random strings are a clear warning sign.

5) Ignore generic greetings

Real notices will usually include your name or case details. Vague language is a red flag.

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6) Consider a data removal service

Scammers often get your number from data broker sites. Removing your personal info from those databases with a data removal service can reduce these messages. 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

7) Block and report the number

On your phone, block the sender and report it as spam. This helps reduce future attempts.

8) Turn on spam filtering

Enable spam filtering on your phone or through your carrier to catch more of these messages before they reach you.

Kurt’s key takeaways

Todd did the right thing. He paused, questioned the message and did not click. That one decision likely saved him from handing over personal information. When it comes to messages like this, skepticism is your best defense. If something feels off, trust that instinct.

Should phone carriers and tech companies be doing more to block scams like this before you ever see them? Let us know by writing to us at Cyberguy.com

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Honda’s hybrid future starts with new Accord and RDX prototypes

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Honda’s hybrid future starts with new Accord and RDX prototypes

Honda revealed prototypes of two new hybrid models, an Accord sedan and the Acura RDX SUV, during its annual business briefing this week, built on a platform that it says will begin launching next year. The RDX was announced earlier this year as Honda’s first SUV to feature the next-gen version of its two-motor hybrid system.

In March, Honda announced it would take a writedown of up to 2.5 trillion yen ($15.7 billion) on its EV investments. Now Honda says its EV-related losses will be “resolved” by 2029, and that it will reevaluate its EV plans in 2030.

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New cancer tech sends chemo straight to tumors

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New cancer tech sends chemo straight to tumors

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Chemotherapy can save lives, but anyone who has watched a loved one go through it knows how hard it can be. The nausea. The exhaustion. The infections. The days when even getting off the couch feels like too much.

That happens because standard chemotherapy travels through the bloodstream. It attacks cancer cells but can also harm healthy cells along the way. For some pancreatic cancer patients, that approach may be changing.

A targeted drug-delivery system from RenovoRx is designed to send chemotherapy directly near the tumor instead of through the entire body. The system, called Trans-Arterial Micro-Perfusion, or TAMP, is being studied in a Phase III clinical trial for locally advanced pancreatic cancer.

For 83-year-old Hernando Salcedo, who had been left weak, nauseous and overwhelmed by standard chemotherapy, the trial offered something he desperately needed: a reason to hope. He enrolled at Miami Cancer Institute and soon began to feel the shift in his own body. His appetite started coming back. His energy improved. He felt more like himself. “The difference was tremendous,” Hernando said. “I completed eight sessions, one every 15 days, and I felt dramatically better than I did with the original chemotherapy.”

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HIDDEN FACTOR IN CANCER TREATMENT TIMING MAY AFFECT SURVIVAL, RESEARCHERS SAY

Cancer patient Hernando Salcedo attended a family wedding after RenovoRx’s Trans-Arterial Micro-Perfusion system delivered chemotherapy directly near his tumor, helping him feel stronger during treatment. (Hernando Salcedo)

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How the RenovoRx drug-delivery device works

RenovoRx’s platform uses the FDA-cleared RenovoCath device to deliver chemotherapy through a catheter placed in an artery near the tumor. A physician guides the catheter into position using X-ray imaging.

Shaun Bagai, CEO of RenovoRx, said the platform is designed to localize chemotherapy delivery near the tumor instead of relying on the drug to travel through the whole body.

“Once in position, two small balloons on the catheter are inflated, and the system is adjusted to isolate a targeted segment of artery adjacent to a tumor,” Bagai said. “The chemotherapy drug is then infused between the balloons, creating pressure to push the drug across the vessel wall and near the tumor, directly bathing the target tumor.”

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That setup allows doctors to focus treatment in a specific area rather than exposing more of the body to chemotherapy. “The procedure itself is minimally invasive and is typically performed in an outpatient setting without the need for patients to be put under general anesthesia,” Bagai said.

For patients already dealing with pain, fatigue and fear, that outpatient approach may feel less overwhelming than a major hospital procedure.

 

How targeted chemotherapy for pancreatic cancer works

To understand why this approach matters, it helps to start with the problem doctors are trying to solve. Dr. Ripal Gandhi, a vascular interventional radiologist and interventional oncologist at Baptist Health Miami Cardiac & Vascular Institute and Miami Cancer Institute, explained why standard chemotherapy can be so hard on the body.

“With IV chemotherapy, the drug travels through the bloodstream, affecting both cancerous and healthy cells, which can lead to side effects,” Dr. Gandhi said. TAMP takes a more targeted route. A doctor places a catheter in an artery near the tumor, then delivers chemotherapy into that area instead of relying on the drug to circulate throughout the body.

Dr. Gandhi compared it to “a drip irrigation system for individual plants instead of watering an entire lawn.” For patients, that means doctors are trying to focus more of the treatment near the cancer while reducing how much chemotherapy reaches the rest of the body.

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Why pancreatic cancer is so difficult to treat

Pancreatic cancer has a reputation for being one of the hardest cancers to fight, partly because the tumor itself can block treatment from working the way doctors want it to.

Dr. Gandhi said that creates a major challenge for standard IV chemotherapy. “Studies have shown that less than 10% of chemotherapy administered intravenously actually reaches tumor cells due to the few blood vessels in the tumor as well as dense fibrous stroma, which serves as a physical barrier in the tumor microenvironment,” Dr. Gandhi said.

That helps explain why targeted delivery could play an important role. TAMP sends the drug closer to the tumor rather than depending on the bloodstream to do all the work.

“This targeted approach via TAMP does not rely on chemotherapy circulating through the body to carry the drug to the tumor via tumor feeder vessels,” Dr. Gandhi said. “Trans-arterial micro-perfusion is a drug-delivery platform that delivers chemotherapy directly near the target tumor where it is needed most.”

NEW CANCER THERAPY HUNTS AND DESTROYS DEADLY TUMORS IN MAJOR BREAKTHROUGH STUDY 

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Chase McCann, associate director of the cell therapy lab core, demonstrates how cancerous T-cells from a child are used to develop an autoimmune treatment to fight cancer at Children’s National Hospital in Washington, D.C., on Aug. 26, 2025. (Marvin Joseph/The Washington Post/Getty Images)

 

Patient says targeted chemotherapy gave him hope

Hernando’s cancer journey began after he went to the doctor with a swollen stomach and hip pain. Doctors diagnosed him with locally advanced pancreatic cancer. When he started standard chemotherapy in August 2025, the side effects hit hard. “My body was going through an incredible amount of stress,” Hernando said. “My stomach was inflamed, I had persistent pain in my head, and I had almost no energy.”

He was also receiving chemotherapy and radiation at the same time. “It was a very difficult period, both physically and emotionally,” he said. “I remember feeling exhausted, overwhelmed and unsure of what the future would look like.”

When doctors presented the targeted treatment option, Hernando saw it as more than another medical procedure. “To me, it felt like a new opportunity to live,” he said. “It gave me hope at a time when my family and I really needed it.”

He credits Dr. Gandhi and the team at Miami Cancer Institute with helping him through it all. “From the beginning, he was honest, supportive and clear with my wife, my family and me,” Hernando said. “That meant everything.” 

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Fewer chemotherapy side effects changed daily life

“Before, I was losing weight, had no appetite and felt drained,” Hernando said. “After switching treatments, things began to change. I stopped losing weight, my appetite came back, my color improved and I had more energy.”

Cancer treatment can sometimes take over everyday life. When side effects ease, patients can get pieces of their normal life back. “After about eight weeks, we could see real progress,” Hernando said. “I was eating more, moving more and feeling excited about life again.”

One moment still stands out. Hernando was able to attend a family wedding and dance the entire night. “That moment meant everything to me,” he said. “After everything I had been through, being able to celebrate with my family in that way felt like a gift.” For Hernando, it was a chance to feel like himself again. “That night at the wedding, I was not thinking only about cancer or treatment,” Hernando said. “I was living.”

 

Early trial results show survival and quality-of-life signals

The early data from RenovoRx’s Phase III TIGeR-PaC trial suggest the targeted approach may offer both survival and tolerability benefits for some patients.

Dr. Gandhi said completed clinical studies with TAMP in pancreatic cancer showed “a potential for better outcomes and less side effects for patients.”

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“In the initial interim analysis of the TIGeR-PaC clinical trial, there was a trend towards improved overall survival by 6 months and improvement in the progression free survival by 8.1 months with 65% fewer adverse events in the TAMP arm of the study,” Dr. Gandhi said.

 

Who may benefit from targeted chemotherapy delivery?

This approach isn’t for every pancreatic cancer patient. Doctors still need to look at the cancer stage, tumor location, treatment history and whether the cancer has spread.

Dr. Gandhi said Hernando was the kind of patient who could be a strong fit. “He is precisely the type of patient who would benefit best from this approach because he has a tumor which is too far advanced to be treated surgically, but it has not spread to other organs,” Dr. Gandhi said.

He also pointed to clinical trials as an important option for pancreatic cancer patients.”I discussed with him that the recommendation of the National Comprehensive Cancer Network is that the best management for pancreatic cancer patients is participation in a clinical trial whenever possible and he was an ideal candidate,” Dr. Gandhi said.

He went on to say that TAMP may be an option for patients who are not candidates for surgery, patients who have failed chemotherapy or patients who no longer want to continue IV chemotherapy because of side effects.

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“TAMP can be used at any point within the treatment landscape, before, during or after other treatment modalities such as IV chemotherapy or radiation,” he said.

PANCREATIC CANCER PATIENT SURVIVAL DOUBLED WITH HIGH DOSE OF COMMON VITAMIN, STUDY FINDS

The RenovoCath device uses a catheter-based system to deliver chemotherapy near the tumor instead of through the whole body. (RenovoRx)

 

What comes next for RenovoRx’s cancer treatment platform

RenovoRx says the RenovoCath catheter is already FDA-cleared for general therapy and chemotherapy delivery. The company is also nearing the end of enrollment in its Phase III TIGeR-PaC trial.

That trial is evaluating intra-arterial gemcitabine (IAG) delivered through RenovoCath for locally advanced pancreatic cancer. Bagai said enrollment is expected to be completed in mid-2026, with final results expected in 2027.

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“If positive, data generated from this trial could potentially support a new drug application for this combination product to the FDA for IAG,” Bagai said. RenovoRx also sees potential beyond pancreatic cancer. “The challenge we are addressing is not unique to pancreatic cancer,” Bagai said.

He said the platform could apply to other solid tumors with limited blood supply, including bile duct cancer, certain lung cancers and sarcomas. “The platform is designed to work with different types of therapies, not just one drug,” Bagai said. “That opens the door to future combinations and potential partnerships, with the goal of expanding options for patients who have limited treatment choices.” 

 

What this means to you

If you or someone you love has pancreatic cancer, this story is worth paying attention to. Clinical trials can open up options when standard treatment feels too hard to tolerate or stops working.

Drug delivery matters, too. The medicine itself is only part of the story. Where it goes inside the body can affect side effects, energy levels and quality of life. Targeted chemotherapy delivery remains a specialized treatment approach. Some cancer centers may not offer it, and every diagnosis will not be a fit. Your care team can review imaging, staging, prior treatments and overall health to see whether it makes sense.

Start with direct questions. Ask whether a clinical trial makes sense. You can also ask about targeted delivery options or a second opinion from a pancreatic cancer specialist. Hernando’s advice to other patients is simple. “I would tell them not to lose hope and not to wait to ask questions,” he said. 

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Kurt’s key takeaways

Pancreatic cancer has a way of turning normal life upside down fast. One day, a family is making plans. The next, they are trying to understand scans, treatment choices and side effects that no one feels ready for. That is what makes Hernando’s story so powerful. The part that stays with you isn’t only the technology. It is the fact that he started eating again. He had more energy. He felt more like himself. And he got to dance at a wedding after wondering what the future would look like. The final Phase III trial results will be important. Doctors still need to see how widely this approach could help patients. But the promise is easy to understand. If chemotherapy can get closer to the tumor while taking less of a toll on the rest of the body, patients may get something that matters just as much as treatment itself: more good days.

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If you or someone you loved needed chemo, would targeted delivery change how you think about treatment? 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.

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