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Kettering Health confirms Interlock ransomware behind cyberattack

Summary: Healthcare giant Kettering Health, which manages 14 medical centers in Ohio, confirmed that the Interlock ransomware group breached its network and stole data in a May cyberattack.

About the Incident

On May 31, a network disruption was reported at Kettering Health due to a cyberattack.

Subsequent investigations have now confirmed that the Interlock ransomware group was behind the attack.

The group reportedly extracted and encrypted a number of healthcare records in the breach, which Kettering Health is still working to fully rectify.

Understanding Interlock

The Interlock group, active since 2018, is known for its stealthy operations and high-profile targets.

They typically employ tactics, techniques, and procedures (TTPs) such as spear-phishing and email spoofing to gain initial access, laterally move through the network, and finally deploy their ransomware payload.

Impact and Response

The exact number of files stolen is yet unknown, but the encrypted data is believed to contain highly sensitive patient and employee information.

Kettering Health has contacted those affected, urging them to monitor their accounts for potential identity theft.

Additionally, they have assured the public of their continued cooperation with law enforcement and cybersecurity teams to handle the situation.

Preemptive Measures

This incident is a stark reminder of the vulnerability of healthcare systems to cybercrimes.

Experts recommend implementing a robust cybersecurity strategy.

This includes regular security audits, multi-factor authentication, frequent staff training on cybersecurity practices, and deploying endpoint detection and response solutions.

A robust incident response plan can also limit the damage should an attack occur.

Conclusion

Healthcare cybersecurity can be a matter of life and death as ransomware attacks can hinder care and patient services.

Organizations should stay alert, continually improve their defense, and strive to build a resilient cybersecurity infrastructure to combat these threats.

Follow-Up Reading:

• Understanding ransomware: A guide for businesses
• The biggest hacks, leaks, and data breaches of 2020
• Hacker attacks still No.1 cause of data breaches in healthcare

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