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DigiCert says migration exposed customer data, ID documents
DigiCert told customers a February 2025 server migration exposed an internal system, letting an unauthorized account read archived contact data and some ID documents, BleepingComputer reported Nov. 5.
Certificate authority DigiCert has begun notifying some customers that archived contact records and, in some cases, identity documents were accessed after a server migration left an internal business system reachable from the internet, BleepingComputer reported on Nov. 51.
DigiCert said the exposure involved a small portion of archived customer data, including names, business email addresses, phone numbers, and business addresses, and that some records also held documents such as driver's licenses, passports, or utility bills1.
An incident report DigiCert posted on Mozilla's Bugzilla, as summarized by BleepingComputer, said a February 2025 migration exposed a system that had been reachable only over VPN1. The system had a self-registration feature meant for other applications; an authorization flaw then let those accounts view archived customer information in read-only mode, the report said1.
DigiCert found unauthorized accounts on the system in June 2026 and initially concluded they could not reach customer information because they were not assigned to an application1. After a later report through its managed security research program, it restricted access and patched the authorization flaw but did not yet determine that archived data had been read1.
A further investigation completed Oct. 19 confirmed that an unauthorized account accessed customer information between June 27 and July 2, 2026, according to the company's account1. DigiCert said in its report, as quoted by BleepingComputer, that "the incident was initially handled as an account-creation issue rather than a data-access event"1.
The company said the unauthorized account had read-only access and could not modify records, approve validations, or issue certificates1. It said it has restricted the system, disabled self-registration, and added access controls, and that CertCentral, DigiCert ONE, customer logins, and issued certificates were not compromised1.
BleepingComputer said DigiCert was still reviewing which identification documents were involved and had not stated how many people were affected; the outlet said it had asked DigiCert for further details1.
