Part 1/3: Energy Under Siege : The Birth of the Invisible War

This article is the first part of a three-piece series exploring how energy has shifted from a mere support infrastructure to a tool of pressure, sabotage, and geopolitical power. Each part will examine a different dimension of this invisible war: attacks and sabotage, energy as a lever of influence, and finally the prospects for resilience and governance.

The Kiev Precedent: A Blueprint for Chaos

On 23 December 2015 in Kyiv, Ukraine, last-minute shoppers were finishing their Christmas purchases while Christmas lights glittered in the streets. Suddenly, everything went dark: screens shut off, elevators stopped, and traffic lights disappeared. Within minutes, 225,000 households were plunged into darkness, not because of a random failure or accident, but due to a targeted, carefully prepared cyberattack on the regional power grid.​

This attack, attributed to groups linked to Russia, was the first of its kind to cause a massive blackout through hacking, marking the beginning of a new era in which energy infrastructures become weapons of war and cyberspace emerges as an invisible battlefield. It opened a systematic campaign of digital destabilization that culminated in 2022, when cyberattacks and physical strikes were combined in an attempt to paralyze Ukraine.

The central question : Why Energy?

In the theater of modern conflict, energy has moved from the peripheral shadows to the center of the crosshairs because it represents the essential lifeblood of a functioning society. Unlike traditional espionage, which may take months to yield results, an attack on energy infrastructure creates an instant physical impact that can cause immediate shortages and trigger widespread economic chaos.

This shift means that energy cybersecurity is no longer merely a « back-office » technical concern; it has evolved into a primary instrument of national power and global stability. We have entered a high-stakes era of hybrid warfare where digital strikes are meticulously coordinated with physical maneuvers specifically designed to break a nation’s resolve.

Controlling the “Off switch”

For attackers, the goal is often to wield the « off switch » of a rival state’s economy, as evidenced by the 2015 hacking of Ukrainian regional grids that plunged 225,000 households into darkness. Whether the objective is exercising financial blackmail through ransomware—as seen in the $4.4 million ransom paid by Colonial Pipeline—or using digital sabotage as a geopolitical lever, the energy sector is now a battlefield where the lines between a computer virus and a kinetic weapon have blurred forever. The ability of states and energy companies to defend these assets is now a fundamental pillar of both energy security and domestic defense.

In our next article, we will move from the digital trenches to the diplomatic stage, exploring how energy data has become a primary lever of influence in international negotiations and a strategic asset for the future of public policy.

Léane GABELLEC