Israeli chip manufacturer Tower Semiconductor said on Sunday that some of its systems were hit by a cyberattack and as a result it was putting some servers and manufacturing operations on hold.

“Tower has notified relevant authorities, and is working closely with law enforcement organizations and with a leading team of worldwide experts, coordinated with its insurance providers, in order to recover the impacted systems as soon as possible,” the company said in a statement.

“The company has implemented specific measures to prevent the expansion of this event. At this point there is no assessment as to the actual effect on the company,” it said, without offering details on the nature of the attack.

Tower, formerly known as TowerJazz, specializes in analogue chips used in automotive, mobile, infrastructure, medical and aerospace and defense markets.