Event 1025

{
  "attack_type": "Defense Prep",
  "category": "Cyber",
  "confidence": "High",
  "country": "Estonia",
  "description": "The 15th edition of NATO's Locked Shields cyber defense exercise, held in Tallinn, Estonia, brought together 4,000 experts from 41 countries, reflecting significant growth from 60 participants in 2010. This large-scale exercise tested participants' ability to defend national systems and critical infrastructure against complex cyber threats through realistic simulations. The 2025 edition involved 8,000 protected systems, participants worked in remote and centralized teams, and the exercise focused on technical skills, managing disinformation, political pressure, and legal-strategic challenges. Locked Shields 2025 introduced new technologies such as cloud-based infrastructure, quantum computing injects, AI-driven narratives, and a redesigned scoring system to enhance collaboration and resilience. The exercise underscores the growing importance of cyber defense preparedness among NATO and partner nations.",
  "event_time_utc": "2025-05-16T10:59:50Z",
  "evidence": [
    "The 15th edition of NATO’s Locked Shields cyber defense exercise brought together 4,000 experts from 41 countries.",
    "The NATO Cooperative Cyber Defence Centre of Excellence (CCDCOE) in Tallinn, Estonia, last week hosted the 15th edition of the Locked Shields cyber defense exercise.",
    "Roughly 4,000 experts from 41 nations took part in Locked Shields 2025, which is designed to test and improve the preparedness of cybersecurity teams in defending national systems and critical infrastructure through a realistic simulation.",
    "Participants were tasked with protecting more than 8,000 systems — including ones simulating military infrastructure and telecom networks — against more than 8,000 cyberattacks.",
    "Locked Shields 2025 introduced a cloud-based infrastructure, quantum computing injects, AI-driven narratives, and a redesigned scoring system that rewarded collaboration and resilience.",
    "The 41 participating nations formed 17 multinational teams in an effort to enhance collaboration, working remotely or from centralized hubs.",
    "Locked Shields tested not only each team’s technical skills, but also their ability to deal with disinformation and political pressure, and navigating legal and strategic aspects that could occur in high-pressure scenarios."
  ],
  "extra": {
    "extra": {
      "extra": {
        "evidence": [
          "The 15th edition of NATO’s Locked Shields cyber defense exercise brought together 4,000 experts from 41 countries.",
          "The NATO Cooperative Cyber Defence Centre of Excellence (CCDCOE) in Tallinn, Estonia, last week hosted the 15th edition of the Locked Shields cyber defense exercise.",
          "Roughly 4,000 experts from 41 nations took part in Locked Shields 2025, which is designed to test and improve the preparedness of cybersecurity teams in defending national systems and critical infrastructure through a realistic simulation.",
          "Participants were tasked with protecting more than 8,000 systems — including ones simulating military infrastructure and telecom networks — against more than 8,000 cyberattacks.",
          "Locked Shields 2025 introduced a cloud-based infrastructure, quantum computing injects, AI-driven narratives, and a redesigned scoring system that rewarded collaboration and resilience.",
          "The 41 participating nations formed 17 multinational teams in an effort to enhance collaboration, working remotely or from centralized hubs.",
          "Locked Shields tested not only each team’s technical skills, but also their ability to deal with disinformation and political pressure, and navigating legal and strategic aspects that could occur in high-pressure scenarios."
        ]
      }
    }
  },
  "location_text": "Tallinn, Estonia",
  "media_assets": [
    {
      "description": "Screenshot capture",
      "type": "screenshot",
      "url": "/media/event_1025_1764366918_793e8c06.jpg"
    },
    {
      "capture_url": null,
      "captured_at": "2025-11-29T05:15:59.230728Z",
      "description": "SingleFile archive",
      "hash": "6193d755b44802f9b3287e19491998d128a681407e2cdb466dabd0c89debac22",
      "mime": "text/html",
      "origin": "singlefile",
      "size_bytes": 40333,
      "source_url": "https://www.securityweek.com/from-60-to-4000-natos-locked-shields-reflects-cyber-defense-growth/",
      "type": "document",
      "url": "/media/event_1025_20251129_051505_55f73dc5.html"
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  ],
  "schema_version": "v1",
  "screenshot_count": 1.0,
  "url": "https://www.securityweek.com/from-60-to-4000-natos-locked-shields-reflects-cyber-defense-growth/"
}

{
  "source": "admin_quick",
  "tags": [],
  "url": "https://www.securityweek.com/from-60-to-4000-natos-locked-shields-reflects-cyber-defense-growth/"
}