PARIS (Reuters) -Toshiba Tec France Imaging System said on Friday that DarkSide, the hacking group blamed for crippling a major U.S. pipeline company, had targeted it in a ransomware attack during the night of May 4.

The unit of Japanese conglomerate Toshiba Corp said in a statement that only a minimal amount of work data was lost during the cyberattack and no leaks of data had been detected. It said it had put protective measures in place immediately after the attack.