530k Impacted by Data Breach at Wisconsin Healthcare Organization

530k Impacted by Data Breach at Wisconsin Healthcare Organization

April 10, 2024 at 07:24AM

GHC-SCW notified over 530,000 individuals of a ransomware attack leading to the theft of personal information, including sensitive health and personal data. The attackers, a foreign ransomware gang, claimed responsibility. The cooperative has enhanced security measures and is collaborating with authorities to mitigate risks. The cybercrime group BlackSuit is suspected to be involved.

Key takeaways from the meeting notes are:

1. GHC-SCW experienced a ransomware attack on January 25 that compromised the personal information of over 530,000 individuals, including names, addresses, phone numbers, email addresses, dates of birth, Social Security numbers, and Medicare/Medicaid numbers.

2. The attackers, identified as the BlackSuit ransomware gang, exfiltrated data from GHC-SCW’s systems, including sensitive personal and protected health information.

3. The organization has been working with the FBI and CISA to mitigate risks associated with the breach and has implemented enhanced security measures to prevent future incidents.

4. GHC-SCW has notified relevant authorities, consumer reporting agencies, impacted individuals, and the US Department of Health and Human Services about the data breach.

5. There is no indication that the stolen information has been used or further disclosed at this time.

6. The BlackSuit ransomware gang, responsible for the attack, has a history of aggressively targeting the healthcare and public health sector, and is believed to have rebranded from the Royal ransomware group.

7. The GHC-SCW attack is part of a larger trend of ransomware attacks on healthcare organizations, as highlighted by warnings from the US Health Department.

These takeaways highlight the significant impact of the ransomware attack on GHC-SCW and the broader implications for the healthcare sector in the face of increasing cyber threats.

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