Why encryption alone is not enough in modern communications

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End to end encryption (E2EE) has become synonymous with secure communications.

For many organizations, it is treated as the foundation upon which trust is built.

That mindset is now being challenged.

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Across government and critical infrastructure sectors, recent intelligence warnings and real world compromises have exposed a fundamental misconception. Encryption alone does not equal security.

Keith Balasingham

Senior Director, BlackBerry Secure Communications.

While E2EE protects message content, modern threat actors are no longer attempting to defeat it. Instead, they are exploiting what surrounds it, including identities, devices, metadata, and platforms that were never designed to operate under sustained hostile pressure.

This evolution reflects a pragmatic shift in attacker behavior. Compromising an account is often easier, and far more revealing, than decrypting intercepted traffic. Once trust in identity is undermined, encryption becomes largely irrelevant.

The Limits of Encryption first Security Models

Encrypted messaging apps built for consumers excel at protecting messages in transit, but they were not built to provide strong identity assurance, institutional access controls, or sovereign oversight. Most rely on self registration, minimal verification, and unmanaged endpoints, conditions that increasingly favor sophisticated adversaries.

Recent government advisories show how these gaps are being exploited through phishing and impersonation campaigns targeting users of encrypted apps. These campaigns bypass encryption rather than breaking it.

This is why encryption centric security strategies are proving insufficient in high risk environments. They assume that the user, the device, and the app itself can be trusted. Under persistent state level threat, those assumptions no longer hold.

Metadata, Sovereignty, and Systemic Exposure

Even where message content remains confidential, metadata persists as a powerful intelligence asset. Communication patterns can map relationships, hierarchies, and intent, often with greater strategic value than the messages themselves.

At the same time, reliance on messaging apps hosted on foreign IT infrastructure introduces broader sovereignty risks. Jurisdictional exposure and platform governance are determined externally, limiting government visibility and control over their own communications environments.

Together, these factors are driving a reassessment of what secure communications must mean in practice.

Toward a More Resilient Definition of Security

The emerging consensus is clear. Secure communications must be treated as an integrated system, not a feature. E2EE remains essential, but it must be complemented by identity management assurance, device trust, metadata governance, and infrastructure control.

This shift is already shaping policy and procurement decisions, as governments move toward sovereign, purpose built communications platforms designed specifically for high risk use.

The misconception was never that encryption is unimportant. It is that encryption alone could carry the full weight of modern security requirements.

In an environment defined by rising geopolitical tension, intelligence competition, and persistent state level threat, that assumption no longer holds.

As threats continue to evolve, organizations are being forced to re-examine long held assumptions about what secure communications actually require in an increasingly complex digital environment.

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Senior Director, BlackBerry Secure Communications.

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