one Israeli officer said Hamas attacked 'land, sea, air, & cyber'. but did not elaborate on 'cyber' .

there is also news (maybe disinformation) that Israeli inteligence focused the reserves on the West Bank, due to some specific threat (which may have been disinformation also).

then:

+ holiday, relatively low readness

+ reserves focused on west bank

+ coordinated arracks on 15 places with infantary + drones to neutralize tanks and MG nests + rockets inland to distract/divert other forces

=

they detected the breaches, but maybe the rapid response / second line forces were just overwhelmed.

Israel stoped local infiltrations many times, but a 15-place attack shows a more muscular Hamas after years of funding and training unchecked.

MAYBE, a great cyber success was not even strictly necessary, even IF it happened.

about Iran capabilites: Do you know Iran publiches a good number of paper on robotics, since the 2000's decade?