On the morning of Oct. 7, Hamas soldiers breached the Gaza border fence at multiple points and killed more than 1,200 people in southern Israel. They had been planning this for years. They had even rehearsed it. And the vast Israeli intelligence network missed it, not because the data wasn’t there, but because decades of operational successes had calcified into a mythology of infallibility that blinded Israeli analysts to what was right in front of them.
The Mossad was the most visible symbol of that overconfidence. Their operations were so dramatic, public-facing, and successful that they shaped how every Israeli intelligence agency saw itself, not just the Mossad. Aman and Shin Bet operated in the Mossad’s shadow, but they absorbed the same mythology. Israel proved again and again it could reach anyone anywhere, and over time that track record hardened into something closer to faith. It became difficult for any branch of the intelligence apparatus to believe anyone could reach them.
Israel didn’t build its intelligence network immediately. They gained their independence in 1948 and were immediately attacked by five Arab nations. Intelligence wasn’t a want; it was a need. This origin story matters because it demonstrates how the Israeli intelligence network never functioned solely as a bureaucratic function, but as a mechanism for national survival. Every success reinforced the idea that the agency was the reason the nation existed. This kind of institutional and existential pressure can produce extraordinary results, but it also creates an institution that can’t afford to question itself.
The Mossad was tasked in 1949, working directly under the prime minister, and was immediately given tasks that the central government couldn’t acknowledge. Their first big mission was the capture of escaped Nazis after World War II, most notably the capture of Adolf Eichmann in 1960 and his transport from Buenos Aires to Israel, where he was tried. The message the Mossad sent was clear: they could find anyone anywhere. But this message wasn’t solely external. Internally, the Eichmann operation became evidence that audacity and ingenuity could overcome any obstacle. It was the first major template of how an agency evaluated itself: not by what they could miss but by what they had accomplished.
The most consequential early operation the Mossad undertook occurred in the Arab world, as Eli Cohen infiltrated Syrian political and military circles so deeply that he was considered for deputy defense minister. But ultimately, he was found out and publicly executed in Damascus in 1965. However, the information he obtained led directly to the capture of the Golan Heights in 1967, a territorial gain that reshaped the region. This was exactly the kind of outcome that makes an institution dangerous because it validates risk, audacity, and the belief that penetration is a one-way street. The Mossad could infiltrate anyone’s inner circle. The assumption that no one could do the same to them was never outright stated, but it didn’t have to be. It was just the logical inverse of the decades of success that the Mossad, and thus the Israeli government, had.
After the 1972 Munich massacre, where 11 Israeli athletes were killed by the Palestinian militant group Black September, the Mossad tracked and hunted those connected to the attack across continents. Targeted assassination became a regular tool of Israeli foreign policy. And with every operation, the same pattern repeated: the agency got better at collecting and acting, and less interested in questioning what it thought it knew.
In the early 2000s, under the directive of Ariel Sharon, Iran became the primary target of the Mossad. Israel’s signals intelligence arm, Unit 8200, had already built the infrastructure to capture and analyze data at an industrial scale. Together with the Mossad, they put that infrastructure to use. Uncovered in 2010, Stuxnet was widely attributed as a joint U.S.-Israeli operation that destroyed Iranian uranium centrifuges through a computer worm, one of the first major cyberattacks with no real precedent. Iranian nuclear scientists were assassinated in the streets of Tehran. The message was that Israel could reach inside the most hostile country anywhere, however it wished. Stuxnet was especially corrosive to institutional humility as it eliminated the last constraint. Physical operations always carried risk as an asset could be captured, an operative burned, as Eli Cohen’s execution showed. Cyber operations offered reach without a fingerprint. If you could sabotage centrifuges in an extremely well-protected Iranian facility without setting foot in the country, what couldn’t you see coming? The sheer volume of intelligence Israel was now collecting made it even harder to imagine that anything could slip through.
Israeli intelligence analysts have a term for this kind of blind spot: HaKontzeptzia, the conception. It’s the mistake of treating your adversary as a model instead of watching what they’re actually doing. Over decades, Israel built detailed models of Hamas and based its strategy on them. The models were once accurate. But Hamas changed, and the models didn’t. Updating them would have meant questioning the institutional confidence that decades of success had built, and no organization does that willingly.
The conception Israel built around Hamas had a few specific parts. Israeli leadership believed that Hamas had shifted from militant resistance to governance, that it was more interested in administering Gaza and securing economic concessions than in provoking a war it couldn’t win. This belief wasn’t baseless. Israel had watched Hamas sit out multiple rounds of fighting between the IDF and Palestinian Islamic Jihad, including as recently as May 2023, and read that restraint as confirmation that deterrence was working. The Netanyahu government reinforced this assumption by allowing billions of dollars in Qatari funding to flow into Gaza, treating Hamas as a governing partner whose stability served Israeli interests. Meanwhile, Israel had invested heavily in a technological border barrier it considered nearly impenetrable, which created a second layer of false confidence: even if Hamas wanted to attack, the barrier would stop them or provide enough warning to respond. The model was internally consistent. Hamas was deterred, the fence was strong, and intelligence would catch anything that slipped through. The problem was that every piece of this model was wrong.
Aman and Shin Bet weren’t flying blind. They had informant reports describing rehearsals for a large-scale breach. They had intercepted communications referencing operational timelines. They had observed training exercises that looked like dry runs for a multi-front incursion into Israeli territory. Analysts saw all of it. But they were working from the assumption that Hamas didn’t have the organizational capacity to pull off a coordinated assault across multiple border points at once. So the reports got reframed. Rehearsals became posturing, timelines became aspirational, and anything that looked like genuine preparation was written off as deception. The intelligence was there. The people reading it had already decided what it meant.
The lesson of Oct. 7 extends far beyond Israel. Every major intelligence apparatus in the world is building the same mythology right now. The National Security Agency (NSA), the Five Eyes, the Central Intelligence Agency (CIA): each success adds another brick to the same wall Israeli intelligence built, the belief that technological superiority and operational reach are the same thing as understanding. HaKontzeptzia is not a uniquely Israeli problem. Any institution that measures itself by what it can do rather than what it might miss is building the same wall. The question is not whether another Oct. 7 will happen somewhere else; it’s whether any intelligence community built on a story of invincibility is even capable of seeing it coming.
Feature image source: Times of Israel