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Defence & Security31 Oct 2026 · about 6 min

The Security Challenges Facing the Next Israeli Leader

The brief

Israel’s next leader inherits military strength without a lasting political settlement. The country has weakened Hamas, Hezbollah, and Iran, but none has surrendered its hostility. The result is continuing conflict, expanding responsibilities, and growing pressure at home and abroad. The Iran war is the most immediate danger. Israel remains focused on Iran’s long-range missiles, drones, money for proxies, and Hezbollah’s possible rearmament. Israel also occupies about 70 percent of Gaza, large parts of Lebanon, and several miles along Syria’s border. These positions require continuing military and political attention. The wider problem is sustainability. Israel has operated in eight countries and territories during three years, while wars have killed civilians, destroyed infrastructure, and displaced people. The next government must seek security gains that last, manage the human costs, reduce the chance of escalation, and repair Israel’s long-term relationship with the United States.

01

What major security problems will Israel’s next leader inherit from the current wars?

Israel’s next leader inherits military strength without a lasting political settlement. The country has weakened Hamas, Hezbollah, and Iran, but none has surrendered its hostility. The result is continuing conflict, expanding responsibilities, and growing pressure at home and abroad.

The Iran war is the most immediate danger. Israel remains focused on Iran’s long-range missiles, drones, money for proxies, and Hezbollah’s possible rearmament. Israel also occupies about 70 percent of Gaza, large parts of Lebanon, and several miles along Syria’s border. These positions require continuing military and political attention.

The wider problem is sustainability. Israel has operated in eight countries and territories during three years, while wars have killed civilians, destroyed infrastructure, and displaced people. The next government must seek security gains that last, manage the human costs, reduce the chance of escalation, and repair Israel’s long-term relationship with the United States.

02

What is a buffer zone, and why has Israel created buffer zones in Gaza, Lebanon, and along the Syrian border?

A buffer zone is an area positioned between a state and a threat. It creates physical distance and gives military forces more room to detect or disrupt attacks. Israel has created such zones because it wants protection beyond its immediate borders and front lines.

The article says Israel occupies around 70 percent of Gaza, large parts of Lebanon, and several miles along its Syrian border. These areas are intended to make it harder for terrorist groups to use drones, rockets, and other short-distance systems. They are also meant to guard against another attack like Hamas’s October 7 assault.

Buffer zones may improve Israel’s immediate defensive position, but they do not solve the underlying conflict. They require continued military control and can increase displacement, destruction, and international criticism. The article presents them as part of Israel’s expanded security posture, not as lasting strategic settlements.

03

How extensive is Israel’s military involvement—how many countries or territories has it operated in, and how much territory does it currently occupy?

Israel’s military involvement is regional rather than confined to one battlefield. During the last three years, it has used force in eight countries and territories: Gaza, Iran, Iraq, Lebanon, Qatar, Syria, the West Bank, and Yemen. This scale helps explain why the country is described as overstretched.

Its current territorial presence is also broad. Israel occupies around 70 percent of the Gaza Strip, large parts of Lebanon, and several miles along its border with Syria. The stated purpose is to create buffer zones. These positions are meant to protect Israel from another October 7-style attack and complicate the use of short-range weapons.

The article does not provide one combined area measurement for all occupied territory. It does show a widening security burden: Israel must hold or monitor multiple zones while continuing operations against enemies that can rebuild. That makes military success harder to convert into a stable regional outcome.

04

Why have Israel’s military victories against Hamas, Hezbollah, and Iran failed to produce lasting strategic gains?

Military victories remove leaders, weapons, and fighting capacity, but they do not automatically change an opponent’s goals. Israel can degrade armed groups more easily than it can make them surrender, stop rebuilding, or lose their political importance. That gap is why battlefield success has not become lasting strategic gain.

The article gives several examples. Hamas was smashed but remains the most important Palestinian actor in Gaza. Hezbollah’s leadership, arsenal, and forces were severely weakened, yet the group remains formidable and may rearm. Iran’s leadership, nuclear program, and military were hit, but Iran may leave the war wounded and vengeful.

This pattern keeps conflict open-ended. Israel must repeatedly use force against threats that return in new forms, while civilians suffer and infrastructure is destroyed. The next government therefore faces a harder task than winning battles: it must find a way to prevent rearmament and reduce hostility over time.

05

What happens to Israel’s security, economy, society, and international support when wars continue across multiple fronts for years?

Multi-front war creates a cycle of security pressure and human cost. Israel must keep fighting across several theaters, maintain buffer zones, and prepare for enemies that can rebuild. The article describes the country as overstretched at home and says its wars are becoming unsustainable.

The social consequences are clearest in the reported destruction. Israeli operations have killed thousands of civilians in Lebanon, Iran, and the West Bank, while Gaza’s civilian death toll is in the tens of thousands. Gaza and parts of Lebanon have suffered devastated infrastructure and mass displacement. These losses deepen regional hostility and prolong instability.

International support has also fallen in most of the world, threatening Israel’s long-term position. The article does not detail economic effects such as growth, budgets, or employment, so those cannot be measured from the text. It does indicate that continuing wars impose a broad domestic burden and damage Israel’s relationship with the United States.

06

How could declining support in the United States affect Israel’s military assistance, diplomatic protection, and ability to fight future wars?

U.S. support matters because Israel is fighting prolonged wars while the article says its relationship with Washington is deteriorating. A weaker relationship could reduce Israel’s diplomatic room and make future military campaigns harder to sustain. The article presents this as a strategic problem, not merely a public-relations issue.

The text gives one clear sign of tension: the United States is focused on oil flows through the Strait of Hormuz and protecting Gulf allies, while Israel is more concerned about Iran’s missiles, drones, and support for anti-Israel proxies. The two countries therefore share concerns but do not have identical priorities.

The article does not state that American military aid or diplomatic protection has already been cut. It also does not describe specific future decisions. Still, declining support could complicate access to assistance, international backing, and coordinated action. Israel’s next leader must avoid further damage while managing wars that already stretch national resources.

07

Why is it generally easier for a state to weaken an armed group’s forces than to prevent that group from rebuilding or ending its hostility?

Armed groups are not only collections of weapons and fighters. They can retain leaders, networks, political influence, and hostility even after suffering heavy losses. A state can strike visible military capabilities, but it cannot automatically remove the grievances, identities, or goals that keep an organization active.

The article illustrates this mechanism with Hamas and Hezbollah. Hamas was badly defeated but remains the most important Palestinian actor in Gaza. Hezbollah lost leadership, weapons, and fighters, yet remains formidable and may rearm with Iranian support. Rebuilding lets both groups recover some capacity after military setbacks.

This explains why Israel’s victories have not ended its wars. Military action can reduce immediate danger, but repeated operations may be needed when opponents return. The article says Israel must find more lasting strategic gains, because weakening an enemy is not the same as ending its hostility or preventing reconstruction.

This brief was written by AI from the original reporting and checked by other models. Names, figures and quotes come from the source; read it for full context.

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