UnitedHealth's Change Healthcare Unit suffered data violation in February 2024. This news emerged on February 21.
Initially, it has been reported that it influenced about 100 million.US health insurance giants have revealed that the actual number is significantly high: 199 million. This will violate the largest medical data in US history and affect almost half of the country's population.
If a malicious actor finds a way to a dark web, it can exploit data for a variety of attacks, so this size violation can have catastrophic consequences to Americans. 。
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Doctors looking at the patient's personal information (KURT “Cyber Guy” Knutsson)
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UnitedHealth confirmed on Friday, January 24, 2025 that ransomware attacks on the changing healthcare unit had affected the United States about 190 million. The company had previously estimated that the number of affected individuals was about 100 million in the preliminary analysis submitted to the Civil Rights Affairs Bureau, the Ministry of Health and Welfare, which investigates data infringement.
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UnitedHealth stated that most affected people have already been notified directly or through alternative notifications. The affected personal final aggregation will be submitted and submitted to the office for civil rights at a later date.
The company told Cyber Guy, “As a result of this incident, we do not recognize misuse of personal information, and do not display an electronic medical record database in the data during the analysis.” However, United Health did not disclose when the additional 90 million victims, how the modified numbers were determined, or the changes that were connected to the updated number.
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What you need to know about data infringement
Cyber attacks in February have caused a wide range of confusion in the US healthcare sector as a whole. This shutdown affected important services such as claim processing, payment, and data sharing that many medical providers depend on many medical providers.
The stolen data varies from person to person, but a wide range of personal and confidential information such as government ID numbers such as name, address, date of birth, telephone number, e -mail address, social security, driver's license, and details of passport. It was included.
In addition, hackers may have accessed health -related information, such as diagnosis, drugs, test results, imaging records, care and treatment planning, and health insurance details. It has been reported that financial and bank information related to claims and payment data have been infringed.
The violation was a ransnware attack implemented by Russian ransomware and the terrifying TOR group Alphv/Blackcat. The attack, which is a form of an invasion of malware, locks the victim from data unless a ransom is paid. Alphv/Blackcat later trusted the attack.
During the House of Representatives hearing in April, Change Healthcare acknowledged that violation was possible because the security measures were inadequate and there were no two -factor authentication to protect the system.
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Hacker illustration at work (KURT “Cyber Guy” Knutsson)
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Six ways to protect yourself from changing healthcare data infringement
1. Delete personal information from the Internet. With this violation, sensitive personal data has been published, and it is essential to reduce online footprint. There is no service that guarantees complete data deletion, but reputable data deletion services can significantly limit exposure. These services systematically monitor and delete personal information from many websites and data brokers. Please see the top pick of the data delete service。
2. Be careful of mailbox communication: Because there is an address in the infringed data, the scammer may abuse this violation and send an illegal letter. Be careful of email claims I missed the deliveryAccount stop or security alert. Always check the reliability of such communication before taking or taking action.
3. Pay attention to phishing attempts and use powerful virus software. Scammers can target you using your compromised email or phone number Phishing attack。 Pay attention to messages that require personal information and messages that include suspicious links. Make sure that all devices have powerful virus software installed to protect yourself. Get the pick of Windows, Mac, Android, and iOS devices 2025 Antivirus Protection Winners。
4. Match your account: Considering the scope of this violation, regular monitoring of bank accounts, credit card statements, and other financial accounts are important. Find an unauthorized transaction or suspicious activity, and immediately report the problem to the bank or credit card provider.
5. Recognize and report social security scams: If the social security number is published, it may be a target of related fraud. Official communication on social security issues usually occurs by mail, not telephone or e -mail. Visit the Social Security Bureau and see details of fraud and reporting. Fraud information page。
6. Invest in theft protection of personal information: Data infringement occurs every day, and most of them do not make headlines, but the stolen protection service of personal information is notified in the case and time. The stolen company of personal information can monitor personal information such as social security numbers, telephone numbers, and email addresses, and warns whether it is sold on a dark web or used to open an account. In order to prevent criminals from further fraudulent use, it can help freeze banks and credit card accounts. See my hints and best choices on how to protect yourself from theft of personal information。
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It is surprising that UnitedHealth -sized companies could not even implement basic cyber security measurements when processing customer data. The violation that influences almost half of the US population, 190 million, is tremendous, and almost everyone is at risk of a hacker target. The company is still evaluating the entire range of violations, but be careful of unknown links and unknown calls, so you can take precautionary measures now. Bad actors may use various tactics to cause harm.
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