March 19 (UPI) -- The Federal Bureau of Investigation took down two websites that belong to an Iran-linked hacker group after it staged a global cyberattack on an American medical equipment company last week.

Two websites used by the group Handala -- one that contained information about its hacks and the other used to dox people it alleges work with the Israeli military and related companies -- were pulled down by the FBI on Thursday, NBC News and Techcrunch reported.

Handala was behind a "wiper attack" on the medical device maker Stryker's computer system on March 11, which it said was in retaliation for a deadly strike on the Shajareh Tayyiba girls school in Minab, Iran.

"Law enforcement authorities determined this domain was used to conduct, facilitate, or support malicious cyber activities on behalf of, or in coordination with, a foreign state actor," a message left on both websites by the FBI said.

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