240,000 Impacted by Data Breach at Eyecare Tech Firm Ocuco

The KillSec ransomware group has stolen hundreds of gigabytes of data from Ireland-based eyecare technology company Ocuco.

Ireland-based eyecare technology company Ocuco has informed the US Department of Health and Human Services that it has suffered a data breach impacting more than 240,000 individuals.

Ocuco describes itself as the largest optical retail software company in the world, with its software and services being used at over 6,000 locations across 77 countries.

The company does not appear to have published a data breach notice, but the incident is likely related to a hacker attack involving the KillSec ransomware group, which earlier this year claimed to have stolen a significant amount of files from Ocuco.

The cybercriminals listed Ocuco on their Tor-based leak website in early April, publishing several screenshots to demonstrate their claims.

One of the screenshots suggests that at least 670,000 files — totaling 340 Gb of data ...