A Policy-Oriented Think Tank Addressing Foreign Policy and National Security Issues for a Safe Israel

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גבי סיבוני

Colonel (res.) Prof. Gabi Siboni

CEO of the Jerusalem Institute for Strategy and Security. Expert on cyber security, military strategy, and technology.

Prof. Siboni was director of the military and strategic affairs program, and the cyber research program, of the Institute for National Security Studies (INSS) from 2006-2020, where he founded academic journals on these matters. He serves as a senior consultant to the IDF and other Israeli security organizations and the security industry. He holds a B.Sc. and M.Sc. in engineering from Tel Aviv University and a Ph.D. in Geographic Information Systems (GIS) from Ben-Gurion University.

Europe Illustration

The Decline of Europe

Europe’s post–Cold War model is under strain as “addiction to peace,” demographic decline, economic stagnation, and strategic dependence on the US collide. The continent now stands at a historic crossroads: undertake painful reforms or continue its descent into a “grand museum”—rich in history but poor in power and increasingly irrelevant

21/04/2026
Settler Violence

The “Settler Violence” Influence Warfare Campaign

From staged incidents to distorted data, a foreign-funded campaign recasts perpetrators as victims to erode the legitimacy of Jewish presence in Judea and Samaria, advance a Palestinian state narrative, and divert attention from Palestinian terrorism

15/04/2026

The Waning of the Iranian Crescent

The Iran war has demonstrated that power is not measured solely by missile inventories, but by the ability to integrate intelligence, operational effectiveness, technological superiority, and economic pressure into a unified strategy

13/04/2026
The Israeli army bombed a building in the Dahieh area of Beirut BEIRUT, LEBANON - MARCH 31: Black smoke rises during an explosion caused by an Israeli warplane bombing the upper floor of a building in the Dahieh area in the south of Beirut, Lebanon on March 31, 2026. Houssam Shbaro Anadolu Beirut Lebanon. Editorial use only. Please get in touch for any other usage. Copyright: x2026xAnadoluxHoussamxShbarox

Operation Roaring Lion and the Campaign in Lebanon

A rare convergence of Hezbollah’s weakness and Iran’s existential crisis creates a narrow window for decisive action that can ensure the security of Israel’s northern communities for generations to come

01/04/2026
March 16, 2026, Undisclosed Location, Undisclosed Location: A U.S. Army High Mobility Artillery Rocket System known as a HIMARS fires rockets in support of Operation Epic Fury against targets in Iran, March 2, 2026 at an Undisclosed Location. Undisclosed Location Undisclosed Location - ZUMAp138 20260316_zaa_p138_025 Copyright: xUsxArmy UsxArmyx

Operation Roaring Lion: Taking Stock and Looking Ahead

Three weeks into the campaign, a clear strategy is taking shape: demolition of Iran’s nuclear, missile, and proxy capabilities, combined with adaptive escalation management, aims to weaken the regime, shape internal conditions, and shift the regional and global balance of power

25/03/2026
פרקליטות צבאית, אילוסטרציה, נוצר באמצעות בינה מלאכותית.

The Case for Legal Reform in the IDF

The war has exposed a troubling pattern of legal encroachment on the battlefield, with the legal system shifting from a supporting role to a dominant force shaping security outcomes—at times at the expense of victory and at increased risk to soldiers. This paper proposes reforms to restore the balance between legal advice and security needs, remove self-imposed constraints, and return the IDF to a single clear objective: decisive victory

17/03/2026
IDF Soldier

The IDF Needs to Return to Its Core Values

What soldiers need is a clear and simple compass rooted in the IDF’s original core values and stripped of the philosophical language and legal formulations that have distanced doctrine from battlefield reality

10/03/2026
Antalya Ministerial Meeting for the Implementation of the Two-State Solution and Lasting Peace in the Middle East ANTALYA, TURKIYE - APRIL 11: Turkish Foreign Minister Hakan Fidan attends the Antalya Ministerial Meeting for a Two-State Solution and Lasting Peace in the Middle East at the Cornelia Diamond Hotel in Antalya, Turkiye on April 11, 2025. The foreign ministers of Saudi Arabia, Palestine, Bahrain, Indonesia, Qatar, Egypt and Jordan also attended the meeting. Following Minister Fidan’s welcoming of the guests, the first session of the meeting began. Antalya Turkey. Editorial use only. Please get in touch for any other usage. Copyright: x2025xAnadoluxArdaxKücükkayax

The Emerging Axis: Sunni and Shiite Alignment Against Israel and a “New Iran”

The War of Redemption has positioned Israel as a central force shaping the Middle East agenda. The new Sunni alignment is a temporary response to what these states perceive as a threat: a U.S.-backed Israel leading a “new Middle East” defined by an expansion of the Abraham Accords, a land corridor linking India and Europe, and Israeli security-economic primacy in the region

26/02/2026
Military Command Room Illustration

Behavior Over Mind: A Behavior-First Doctrine for Adversarial Decision-Making

In adversarial and high-uncertainty environments, intentions are easy to misread and even easier to fake. A more reliable discipline is to begin with observable, costly behavior —the commitments and constraints an opponent creates for itself —and only then build and test intent narratives against its behavioral record

19/02/2026

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