So many countries (Russia is reported to be helping Orban, for example) meddle in other countries' affairs, even when it doesn't affect them at all, directly or indirectly. These days a lot of damage can be done online (propaganda, riling people up, fake news etc) for very little money - how does one even begin to counter this? Especially if you are a small country/poor with limited resources

Is “we” referring to the United States?

Sheldon Adelson's backing helped Netanyahu a lot, and not just by funding the free Israel Hayom newspaper (which generally assumes a right-wing, pro-Netanyahu editorial stance).

This isn't Israel the state, it's a private company that's based in Israel.