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UnitedHealth almost doubles victim numbers from massive Change Healthcare data breach

Malwarebytes

UnitedHealth says it now estimates that the data breach on its subsidiary Change Healthcare affected 190 million people, nearly doubling its previous estimate from October. The ALPHV/BlackCat ransomware group claimed the initial attack. To date, we have not yet seen full medical histories appear in the data review.

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Hertz data breach caused by CL0P ransomware attack on vendor

Malwarebytes

The Hertz Corporation, on behalf of Hertz, Dollar, and Thrifty brands, is sending breach notifications to customers who may have had their name, contact information, driver’s license, andin rare casesSocial Security Number exposed in a data breach. 2FA that relies on a FIDO2 device cant be phished. Take your time.

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South African telecom provider Cell C disclosed a data breach following a cyberattack

Security Affairs

Cell C, one of the biggest telecom providers in South Africa confirms a data breach following a 2024 cyberattack. The company founded in 2001 offers prepaid and postpaid mobile plans, data bundles and internet services, fiber broadband, roaming and international calling, SIM-only plans and device deals.

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Amazon's Latest Data Breach a Ripple Effect of MOVEit

SecureWorld News

On Monday, November 11, Amazon confirmed a data breach that impacted its employee data. The breach, linked to the infamous MOVEit Transfer vulnerability, underscores the far-reaching consequences of last year's major supply chain attack. Shortly after the attacks, the SEC launched an investigation into Progress Software.

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100 million US citizens officially impacted by Change Healthcare data breach

Malwarebytes

The attack on Change Healthcare, which processes about 50% of US medical claims, was one of the worst ransomware attacks against American healthcare and caused widespread disruption in payments to doctors and health facilities. Some forms of two-factor authentication (2FA) can be phished just as easily as a password. Take your time.

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News alert: INE Security shares cyber hygiene guidance for small- and medium-sized businesses

The Last Watchdog

Tip 1: Educating and Training the Workforce Regularly Human error remains one of the leading causes of data breaches. According to the Verizon 2024 Data Breach Investigations Report , 68% of cybersecurity breaches are caused by human error. Many cyber attacks exploit vulnerabilities in outdated software.

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BayMark Health Services sends breach notifications after ransomware attack

Malwarebytes

The RansomHub ransomware group claims to have exfiltrated an enormous 1.5 terabytes of sensitive data from BayMark Health Services. BayMarks listing on RansomHub leak site The date on the dark web site matches the date published in the breach notification. Here, the ransomware group lays blame on the company itself.