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  "path": "/2026/06/new-threat-cluster-op-512-targets.html",
  "publishedAt": "2026-06-05T12:33:38.000Z",
  "site": "https://thehackernews.com",
  "textContent": "Cybersecurity researchers have discovered a previously unreported threat cluster dubbed OP-512 (where \"OP\" stands for \"opponent\") that has been observed targeting Microsoft Internet Information Services (IIS) servers to deploy a bespoke web shell framework. ReliaQuest has assessed with moderate to high confidence that the espionage-focused activity is linked to China. \"OP-512 was highly",
  "title": "New Threat Cluster OP-512 Targets Microsoft IIS Servers with Custom Web Shell Framework"
}