DigiCert confirmed unauthorized access to an internal business system containing archived customer information following a security misconfiguration during infrastructure migration. The incident exposed business contact details and, in limited cases, identity documents. Although customer information was accessed between June 27 and July 2, 2026, DigiCert confirmed that its certificate authority infrastructure, CertCentral, DigiCert ONE, customer credentials, and issued certificates remained unaffected. The exposure originated on February 4, 2025, when an infrastructure migration moved an internal application from a VPN-restricted network segment to an externally accessible availability zone. This inadvertently exposed a self-service registration endpoint inherited from an account management platform. Although employee accounts required multifactor authentication (MFA), externally registered accounts were created without application assignments and were not subject to MFA. Default read-only permissions nevertheless allowed access to archived customer records. DigiCert identified suspicious nonemployee accounts within its internal business system on June 18, 2026. Initially, the company believed these accounts could not access archived customer records because they lacked application assignments. However, a security researcher reported the exposed registration endpoint on June 21, prompting further investigation. DigiCert subsequently confirmed unauthorized data access between June 27 and July 2, 2026. An authorization patch was deployed on July 2, blocking accounts without valid application assignments through HTTP 401 (Unauthorized) responses.
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