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Over 240K Impacted in Irish Tech Breach

Ocuco touts itself as the world's leading optical retail software provider.

Irish multinational eyecare technology firm Ocuco had information from over 240,000 individuals stolen following a data breach.

Additional details were not provided by Ocuco, which touts itself as the world's leading optical retail software provider, in its notice to the U.S. Department of Health and Human Services.

According to SecurityWeek, such an incident is suspected to be related to a KillSec ransomware attack earlier this year, which allegedly resulted in the theft of 340 GB of data with at least 670,000 files.

Despite the pilfered data having been indicated to be exposed by KillSec, such information was noted to be unavailable in the ransomware gang's leak site. Nearly 140 organisations have already been claimed to be compromised by the KillSec ransomware group since its emergence in the fall of 2023. KillSec was noted to have introduced its ransomware-as-a-service operations last June.


Dan Raywood
Dan Raywood

Dan Raywood is a B2B journalist with 25 years of experience, including covering cybersecurity for the past 17 years. He has extensively covered topics from Advanced Persistent Threats and nation-state hackers to major data breaches and regulatory changes.

He has spoken at events including 44CON, Infosecurity Europe, RANT Forum, BSides Scotland, Steelcon and the National Cyber Security Show, and served as editor of SC Media UK, Infosecurity Magazine and IT Security Guru. He was also an analyst with 451 Research and a product marketing lead at Tenable.

Dan Raywood
Dan Raywood

Dan Raywood is a B2B journalist with 25 years of experience, including covering cybersecurity for the past 17 years. He has extensively covered topics from Advanced Persistent Threats and nation-state hackers to major data breaches and regulatory changes.

He has spoken at events including 44CON, Infosecurity Europe, RANT Forum, BSides Scotland, Steelcon and the National Cyber Security Show, and served as editor of SC Media UK, Infosecurity Magazine and IT Security Guru. He was also an analyst with 451 Research and a product marketing lead at Tenable.

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