ANALYSIS: Internet Slowdowns and the Mechanisms of "Gray War"

A Simulation Rather Than an Actual Outage

The slowdown in mobile internet service reported by Reuters on July 21 was not a total communications outage, but rather a controlled simulation of service degradation designed to test the resilience of Taiwan’s civilian infrastructure in the face of a real-world disruption scenario that could be triggered by a conflict or increased pressure.

Technically, this type of exercise involves a deliberate and temporary reduction in available bandwidth in certain targeted geographic areas, allowing observers to see how the population and critical infrastructure respond to reduced connectivity without causing the damage that would result from an unplanned total outage.

What This Exercise Teaches Taiwanese Planners

This exercise allows Taiwanese civil defense planners to identify the actual vulnerabilities in their communications infrastructure before a real-world crisis scenario exposes them in an uncontrolled and potentially more costly manner. Simulating an outage means learning how to manage a real one without paying the full price of being caught off guard when it occurs without warning.

How Pressure Is Being Exerted Beyond the Taiwan Strait

The Taiwanese vice president’s July 17 statement that China is “cracking down on Taiwan everywhere” specifically referred to pressure being exerted in Papua New Guinea, according to Reuters—a mechanism that works by influencing third countries rather than through direct confrontation with Taiwan itself.

This mechanism of indirect influence generally works through economic or diplomatic incentives offered to third countries in exchange for increased distancing from Taiwan—a method that is less visible but potentially just as effective as direct military pressure in gradually isolating the island on the international stage.

Why This Indirect Mechanism Is Difficult to Counter

This mechanism of indirect pressure is particularly difficult for Taiwan to counter, as it is exerted in third countries over which the island has limited diplomatic influence—unlike direct pressure, which it can at least document and anticipate within its own territorial waters. One can strengthen security at one’s own doorstep; one cannot so easily prevent others from discussing matters behind one’s neighbor’s back without one’s knowledge.

What the Straits Times Has Reported

The number of Taiwanese detained or missing in China is rising, according to a July 16, 2026, report in The Straits Times—a phenomenon that operates differently from previous mechanisms: it directly affects individuals rather than infrastructure or abstract diplomatic relations.

If the exact scale of this tactic is confirmed in the coming months, it could serve as a tool for exerting psychological pressure on the Taiwanese population by creating uncertainty regarding the personal safety of any Taiwanese citizen traveling within Chinese territory.

The Documentary Limitations of This Specific Mechanism

At this stage, this mechanism is documented by a single journalistic source, with no comprehensive official tally made public; this necessitates treating it as a reported trend rather than a phenomenon measured with statistical precision. A pressure mechanism can be real even without complete official figures; the absence of statistics never proves the absence of the phenomenon it fails to measure.

How Would an Economic Blockade Work, Technically?

U.S. Senator Tammy Duckworth warned on July 19, according to Focus Taiwan, that China might opt for an economic blockade rather than a full-scale invasion. Technically, such a blockade would work by controlling or prohibiting the passage of commercial ships to and from Taiwanese ports, without requiring direct military confrontation.

For Beijing, this mechanism would offer the theoretical advantage of exerting considerable economic pressure on Taiwan without crossing the threshold of open military action, which would trigger an immediate and coordinated international response.

Why this scenario remains, for now, hypothetical

As of the date of this analysis, this scenario of an economic blockade remains a risk assessment articulated by a U.S. elected official, and not an action undertaken or even announced by Chinese authorities—a crucial distinction that this analysis seeks to preserve. Voicing a risk aloud does not trigger it; it simply means that, for those who raise it, the risk has become plausible enough to be taken seriously.

What Collective Defense Means in Technical Terms

The Taiwanese president called on the island to assume its share of responsibility in collective defense, according to a July 17 Reuters report—a concept that technically involves the coordinated mobilization of military, civilian, and economic resources from across Taiwanese society, rather than just the professional military.

This collective defense mechanism typically includes rapidly deployable reservists, civilian infrastructure adapted for dual civilian-military use, and psychological preparation of the population for a prolonged rather than a brief conflict scenario.

A doctrine inspired by regional and historical precedents

This collective defense doctrine, documented by the exercises that concluded on July 17 according to EFE, draws inspiration from historical and regional precedents in which small democratic nations have had to mobilize their entire society to deter or resist a militarily more powerful adversary. An island that prepares its entire society—rather than just its military—sends a clear message: it intends to defend every square meter without every one of its residents knowing, at least to some extent, what they are supposed to do.

How Gradual Pressure Works in an Open Society

The precedent set by Hong Kong since 2020 illustrates a mechanism of gradual pressure: each isolated step toward the erosion of freedoms seems manageable on its own, until their accumulation becomes, in hindsight, irreversible—without any military confrontation having been necessary to produce this result.

This mechanism works precisely because it avoids any event spectacular enough to trigger a strong international reaction at any given moment, preferring instead a slow accumulation of measures that are individually defensible but collectively transformative.

Why Taipei is studying this mechanism with particular attention

Taipei is studying this Hong Kong mechanism with particular attention precisely because it offers an explicit model of what to avoid: waiting for a spectacular event before reacting, rather than treating every weak signal as potentially significant as soon as it appears. The most dangerous mechanism is never the most violent blow; it is the accumulation of blows that are each too small to justify a reaction on their own.

How This Dependency Both Protects and Exposes Taiwan

Taiwan’s central role in global production of advanced semiconductors acts as a double-edged sword: it deters any power from sustainably disrupting a supply chain on which it itself depends, while exposing the island to increased vulnerability should this deterrence ever fail.

This economic deterrence mechanism operates differently from traditional military deterrence: it relies on global economic interdependence rather than solely on the fear of armed retaliation, which makes it both powerful and potentially fragile in the face of actors willing to accept a high economic cost.

The Limitations of This Economic Deterrence Mechanism

This deterrence mechanism based on economic interdependence is not absolute: it assumes constant economic rationality among all relevant actors, an assumption that may not hold up in the face of political or strategic considerations deemed a priority by certain leaders. Deterrence based on money works as long as money remains more important than national pride or strategic ambition; there is no guarantee that this will always be the case.

Why Japan and the Philippines Do Not Coordinate More Closely

Japan and the Philippines, both confronted by the same Chinese coast guard vessels in their own territorial waters, coordinate their response with Taiwan only in a largely informal manner—a fragmented mechanism of solidarity that stems from distinct national political priorities and the absence of a formalized collective defense structure explicitly binding them together.

This informal coordination mechanism operates through ad hoc diplomatic exchanges and statements of general solidarity, rather than through binding commitments comparable to those of a traditional collective defense alliance.

The Cost of This Fragmentation to Collective Effectiveness

This fragmentation of regional solidarity reduces the collective effectiveness of the response to Chinese pressure, which, for its part, is deployed in a coordinated manner across several maritime theaters simultaneously. Coordinated pressure against fragmented solidarity is never a balanced power dynamic; it is a mechanism that structurally favors the party acting with a single hand.

Why Taipei Documents and Publishes Each Signal

Taiwan’s decision to document and make public each of these signals—increased naval activity, civil defense drills, and calls for collective defense—serves as a deliberate strategic communication mechanism, designed to keep the international community focused on the situation rather than letting it go unnoticed.

This mechanism of relative transparency serves a dual purpose: to reassure the Taiwanese public about the preparedness of its authorities, and to alert international partners to the escalating Chinese pressure, which is documented month after month.

The Risks Inherent in This Transparency Strategy

This transparency strategy, however, carries a risk: that of international fatigue if each documented signal does not ultimately translate into additional concrete support from Taiwan’s Western partners. Documenting each signal attracts attention initially; repetition, without a concrete response, risks turning that attention into gradual indifference.

An accumulation of mechanisms rather than a single, revealed plan

This analysis has identified several distinct mechanisms—maritime pressure, indirect diplomatic influence, uncertainty regarding the disappearances, warnings of a blockade, collective defense, historical precedent, economic dependence, fragmented solidarity, and strategic communication—that operate together without any source documenting a single, centralized plan explicitly linking all these elements.

It is precisely this lack of evidence for a single, revealed plan that characterizes gray warfare: it advances through the accumulation of individually plausible mechanisms, never through the revelation of a single, verifiable central intent.

Why This Lack of Single Evidence Should Not Falsely Reassure

This lack of evidence of a single, revealed plan should not be interpreted as a lack of actual strategic coordination on the Chinese side—a possibility that this analysis can neither confirm nor rule out based on currently available sources. The absence of evidence of a plan is never proof of its absence; it is, at best, the absence of evidence, which is an entirely different matter.

How Taiwan’s political calendar influences the timing of these signals

The timing and intensity of Taiwan’s civil defense measures—including the mobile internet throttling exercise—are also part of a domestic political strategy: to demonstrate to the Taiwanese electorate that the government takes the Chinese threat seriously, without causing disproportionate panic among the population.

This mechanism of domestic political calibration partly explains the choice of a limited simulation rather than a larger-scale exercise—a delicate balance between demonstrating preparedness and preserving the island’s normal economic and social life.

A balance that remains under constant scrutiny by the opposition

This political calibration remains under constant scrutiny by Taiwan’s opposition parties, which may criticize both preparations deemed insufficient and mobilization efforts deemed alarmist—a mechanism of democratic oversight that directly influences the government’s decisions regarding civil defense. A democratic government preparing its population for a threat must always strive for a balance that its own opponents monitor, ready to denounce the slightest excess in either direction.

What U.S. Strategic Ambiguity Means in Technical Terms

Underlying all these mechanisms is the strategic ambiguity historically maintained by the United States regarding its precise military response in the event of direct Chinese action against Taiwan—a deliberate mechanism designed to deter Beijing without automatically and publicly committing Washington.

This ambiguity functions as a double-edged deterrent: it leaves enough uncertainty to discourage direct Chinese action, while avoiding locking the United States into a formal commitment that would limit its future diplomatic flexibility.

Why This Ambiguity Is Increasingly Debated in Washington

This strategic ambiguity is the subject of growing debate in Washington, with some officials advocating for a more explicit clarification of the U.S. commitment, while others argue for maintaining this mechanism of calculated uncertainty, which has historically helped preserve peace in the Taiwan Strait. A deterrence mechanism based on uncertainty works as long as no one seriously tests its limits; the day someone does, we’ll find out if it really held up.

This analysis has dissected nine distinct mechanisms behind the July 2026 events in Taiwan, ranging from the deliberate throttling of mobile internet to global dependence on semiconductors, including indirect diplomatic pressure and the Hong Kong precedent. None of these mechanisms, taken in isolation, constitutes evidence of an imminent escalation; together, they reveal the complex dynamics of sustained pressure that Taiwan has been documenting, month after month, with a rigor that deserves recognition.

This analysis has not sought to predict the outcome of this sequence of events, but rather to explain its inner workings—an exercise that this text considers a necessary prerequisite for any broader analysis of the situation in Taiwan. Understanding the mechanisms of pressure never guarantees that we will know where it will lead; it does, at least, ensure that we are not caught off guard by signals that we have, in some way, already learned to recognize.

By Maxime Marquette, columnist