Saint-Gobain says all systems go after cyber attack on June 27

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(Bloomberg) -- Cie. de Saint-Gobain SA said its computer systems are back to normal after suffering a cyber-attack on June 27, though millions of euros could have been lost in sales.

The remaining operations affected by the attack were restored at the start of the week, the Courbevoie, France-based supplier of building materials said in a statement on Thursday.

A preliminary assessment of the financial impact of the attack points to a 1 percent hit on first-half sales, although some of that could be regained in the third quarter. Saint-Gobain generates about 40 billion euros in sales a year.

Like Danish shipping company A.P. Moller-Maersk and U.K. media brand WPP Plc, the French company was infected by the IT virus. The strikes followed the global ransomware assault involving the WannaCry virus that affected hundreds of thousands of computers in more than 150 countries. Ransomware attacks have been soaring and the number of such incidents increased by 50 percent in 2016, according to Verizon Communications Inc.

Saint-Gobain said it will give further details on the fallout of the attack on its computer systems at half-year results, scheduled for July 27.

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