Tzvi Joffre reports:
The communications of about 1,200 IDF soldiers were examined and 10 officials were questioned after information about Israeli strikes on Iranian ships was leaked to The Wall Street Journal last year.
[…]
The IDF told the State Attorney that over 1,200 soldiers were exposed to the secrets about the operations, while only about 450 of them had signed a confidentiality agreement, and an unknown amount of other people from other agencies and organizations had been exposed to the information as well. The Mossad stated that it did not have information or even an estimate on how many people were exposed to the information.
Read more at The Jerusalem Post.