1. The Breach Unveiled
In May 2025, a chilling revelation surfaced in cybersecurity circles: Commvault, a major enterprise data protection and cloud backup provider, fell victim to a sophisticated cyberattack. The perpetrators? A Chinese state-sponsored threat group known as Silk Typhoon (also tracked as APT27 or Iron Tiger). These attackers exploited a previously unknown zero-day vulnerability (CVE-2025-3928) in Commvault’s web server to breach its Azure cloud environment.
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