The MOVEit incident eclipses them, though, both in the number of victim organizations and individuals whose data was compromised. Antivirus company Emsisoft has been tracking the number of MOVEit victim organizations that have publicly declared they were impacted since May. The researchers have combed individual US state breach notifications, filings with the US Securities and Exchange Commission, public disclosures, and Clop’s own disclosure website to tabulate and reconcile the true toll of the attacks.

To date, Emsisoft has concluded that 2,167 organizations have been impacted by the sprawling campaign. The number had been hovering around 1,000 in recent months, but it jumped significantly when the National Student Clearinghouse revealed 890 colleges and universities across the US—including Harvard University and Stanford University—had been impacted by MOVEit breaches. Organizations in the US account for 88.8 percent of known victims, according to Emsisoft, while a smattering of other organizations in Germany, Canada, and the UK have also been exposed by Clop and come forward.

According to Emsisoft’s analysis, around 1,841 organizations have disclosed breaches, but only 189 of them have specified how many individuals were impacted by the incident. From these detailed disclosures, Emsisoft has found that more than 62 million individuals had their data breached as part of Clop’s MOVEit spree. But since there are estimated to be nearly 2,000 organiza