In the same week, computer systems at European airlines and Saudi airports were disrupted, and Iran targeted ship-navigation systems on an island belonging to Oman.
German police are investigating an overnight fire at a substation in central Berlin and a cut fence at another substation in the west.
Taiwan says a hacking campaign linked to a foreign government hit its computer systems last month, and that the attackers used artificial intelligence tools to carry it out.
New satellite images appear to confirm Iran struck two Amazon Web Services data centers in Bahrain earlier in July, matching a claim Iran had already made, the Washington Times reported.