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Novocure hit by network compromise

Incident
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H score 62
1 unique sources, 1 articles

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Novocure confirmed a mid-August cyberattack that involved unauthorized access to its systems and exposed patient and employee information. More than 1,400 U.S. cancer patients had ID numbers accessed, and fewer than 50 western U.S. patients also had identifying and provider contact details exposed. The company said medical treatment devices were not accessed and its systems remained fully functional, but notification reviews are still underway.

Related Happenings

Novocure employee and patient data exposure

Data Leak
H score71 First: 01.09.2026 17:28 Last: 01.09.2026 17:28 Sources 1

How related: Healthtech company Novocure says the data of an undisclosed number of employees and more than 1,400 U.S. cancer patients has been exposed in a mid-August cyberattack.

About this happening: Novocure exposed employee and patient data in a mid-August cyberattack, affecting more than 1,400 U.S. cancer patients and an undisclosed number of employees. The...

Open Happening

Unlimited Technology Systems hit by ransomware attack

Incident
H score60 First: 07.08.2026 22:30 Last: 07.08.2026 22:30 Sources 1

About this happening: Unlimited Technology Systems disclosed a data breach that exposed personal information for 3,803,750 people after an unauthorized actor accessed files in its comme...

Open Happening

IRhythm patient data exfiltration from third-party business applications

Data Leak
H score34 First: 16.06.2026 09:31 Last: 16.06.2026 09:31 Sources 1

About this happening: iRhythm Holdings disclosed a data breach involving third-party-hosted business applications after a threat actor used social engineering to access data and demande...

Open Happening

West Pharmaceutical Services Inc. hit by data theft breach

Incident
H score19 First: 14.05.2026 01:23 Last: 14.05.2026 01:23 Sources 1

About this happening: West Pharmaceutical Services disclosed a cyberattack that exfiltrated data and encrypted systems, disrupting global operations and increasing recovery risk. The co...

Open Happening

ChipSoft hit by ransomware attack

Incident
H score25 First: 09.04.2026 22:46 Last: 09.04.2026 22:46 Sources 1

About this happening: The ChipSoft ransomware incident forced the healthcare software vendor to take its website and digital services offline, disrupting access for patients and healthcare prov...

Open Happening

Timeline

  1. 01.09.2026 17:28 2 articles · 2h ago

    Novocure discloses mid-August unauthorized access and patient data exposure

    Initial Disclosure

    Novocure disclosed that unauthorized access to some of its information systems in mid-August exposed data tied to an undisclosed number of employees and more than 1,400 U.S. cancer patients, and that fewer than 50 western U.S. patients also had identifying information and provider contact information accessed. The company said no access to any medical treatment devices was obtained, its ability to operate was not compromised, and all systems remained fully functional.

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