For years Iran has turned a blind eye to Israeli maritime attacks. But arrogant leaks to the media have forced Tehran's hand
https://www.middleeasteye.net/news/israel-iran-bragging-target-world-shipping-endangered
Israeli Strikes Target Iranian Oil Bound for Syria
Israel has targeted at least a dozen vessels bound for Syria and mostly carrying Iranian oil out of concern that petroleum profits are funding extremism in the Middle East, U.S. and regional officials say, in a new front in the conflict between Israel and Iran.
Since late 2019, Israel has used weaponry including water mines to strike Iranian vessels or those carrying Iranian cargo as they navigate toward Syria in the Red Sea and in other areas of the region. Iran has continued its oil trade with Syria, shipping millions of barrels and contravening U.S. sanctions against Iran and international sanctions against Syria.
https://www.wsj.com/articles/israel-strikes-target-iranian-oil-bound-for-syria-11615492789?mod=hp_listb_pos2