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Colombia’s Ecopetrol says cyberattack stole data tied to 3,300 accounts

By Thomson Reuters Jul 17, 2026 | 11:22 PM

July 17 (Reuters) – Colombian state-controlled energy company Ecopetrol said on Friday a cyberattack resulted in the theft of ​data tied to about 3,300 user ‌accounts and that it could not “guarantee” the breach would not have a “material adverse” financial impact.

The company, however, said it had not identified any ‌critical ​disruption to its operations, ⁠production capacity or ⁠any direct financial impact as of Friday, and that no stolen data had yet been disclosed by the hacker.

Ecopetrol is ​one of Latin America’s largest energy producers and Colombia’s largest company, accounting ⁠for more than 60% ⁠of the country’s hydrocarbon production.

Ecopetrol ​said the hacker had not been identified but ​had communicated extortion demands to the ‌company and threatened to publicly disclose the hacked information.

The data breach affected cloud-based file storage environments of 15 subsidiaries, including ⁠Ecopetrol itself, the energy firm said, adding that it was able to prevent an attempted ransomware ⁠attack.

The ‌company said it was continuing ⁠to assess potential exposure, which ​could ‌include confidential, proprietary or personal data, ​and ⁠warned the incident could have a material adverse effect on its business, reputation, operating results or financial condition.

(Reporting by Preetika Parashuraman and Shubham Kalia in Bengaluru; Editing by ​Sam Holmes)