Ransomware attacks against oil and gas firms surge

Manufacturing, information technology and healthcare are top targets of cybercriminals, but ransomware attacks on the oil and gas industry increased dramatically between April 2024 and April 2025, spiking 935%, according to a new report from cybersecurity firm Zscaler.

Oil and gas companies may be facing more attacks because their industrial control systems are increasingly automated and digitized, “expanding the sector’s attack surface,” Zscaler said.

Half of all ransomware attacks listed on leak sites during the April-to-April survey period targeted the United States, and attacks on U.S. targets more than doubled, to 3,671, a figure that exceeds the combined number of ransomware events on the 14 other countries in the top 15 list.

Read more at Cybersecurity Dive