- Cox Enterprises breached via zero-day Oracle E-Business Suite, exposing data of 9,479 people
- The Cl0p ransomware group claimed responsibility and posted stolen files to its leak site in late October.
- Cox Offers 24 Months of Free Credit Monitoring and Identity Theft Protection to Affected Victims
Cox Enterprises, a US global conglomerate with major subsidiaries in telecommunications and automotive services, has confirmed to be the latest in the long list of companies committed through a zero-day in Oracle E-Business Suite.
The company filed a new report with the Maine Attorney General’s Office, claiming that it was breached in August, but only detected the intrusion in late September 2025, along with a data breach notification letter sent to the affected people: exactly 9,479 people.
“Unfortunately, this issue affected many companies that use Oracle systems, including Cox,” he said. “Once we learned of this activity, we quickly launched an investigation and applied Oracle’s security solution as soon as it became available. We also brought in cybersecurity experts and data analysts to review our systems and the data we thought may have been copied and taken. We have also been in contact with authorities.”
Files appear on the dark web
The investigation, which concluded on October 31, 2025, determined that hackers stole personal information, including full names; However, other details about the nature of the files were redacted from the data breach notification letter.
Cox did not name the perpetrators, but from previous reports we know that the ransomware group known as Cl0p was behind the Oracle attacks.
The conglomerate is not the first company to have been hit through Oracle, with Logitech, Washington Post, GlobalLogic, Envoy Air and Harvard University being just some of the high-profile names mentioned.
Cl0p added Cox Enterprise to its data breach website on October 27 and has already posted the stolen information.
To mitigate risk, Cox is offering up to 24 months of free credit monitoring and identity theft protection services through IDX for all affected individuals.
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