NewsPublished 24 Apr 2026

Locked Shields 2026: 41 Nations Strengthen Cyber Resilience in World’s Biggest Exercise

Source SecurityWeek

Description

Locked Shields has grown significantly over the past 16 years, with only four nations participating in the first edition. The post Locked Shields 2026: 41 Nations Strengthen Cyber Resilience in World’s Biggest Exercise appeared first on SecurityWeek .

Impact

There is no direct security impact or vulnerability described. The event is a defensive exercise designed to improve cyber resilience and readiness among participating nations. No exploits or attacks are reported as part of this information.

Defensive guidance

Not applicable. This is an exercise event rather than a vulnerability or threat requiring remediation. No patches or mitigations are necessary.

Summary

Locked Shields 2026 is a multinational cyber defense exercise conducted by NATO CCDCOE that simulates intense cyberattacks against critical infrastructure and military systems. It involves 41 nations and tests both technical defense skills and strategic responses to disinformation and political pressure. The exercise focuses on improving cyber resilience and international cooperation rather than reporting a specific vulnerability or threat.

References

securityweek.com/locked-shields-2026-41-nations-strengthen-cyber-resilience-in-worlds-biggest-exercise/ (opens in a new tab)

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Description

AI analysisMachine-generated, updated 24 Apr 2026, 12:36 UTC

References

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