norm: atlantic shareholderUSno LEI · no CIKMax severity: Medium

Canonical registry

Atlantic Shareholder Services

ent_2caf26e3bf2d137e7fd33121

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Disclosures

1

State AG · 1 jurisdiction

Multi-filing incidents

—

no multi-filing incident in sample

Max affected reported

—

no filed count in sample

Leak-site claims

0

none in sample

Identity resolution

Canonical name: Atlantic Shareholder Services
Normalized: atlantic shareholder— dedupe via name-norm; Microsoft / MSFT collapse to one row
GLEIF LEI: No match
SEC EDGAR CIK: None — not an SEC registrant
Domain: None on record

Disclosure history (1)newest first

Delaware State AGas victim2023-09-22
Sovos Compliance, LLC reported a security event involving Atlantic Shareholder Services on May 31, 2023. Unauthorized actors exploited a vulnerability in Progress Software's MOVEit Transfer application to download personal information. Sovos took the application offline, retained experts, and notified law enforcement. Affected individuals are offered two years of credit monitoring via Kroll.

Supply-chain cascadesreviewed and confirmed

Atlantic Shareholder Services’s filing is one of at least 89 in the Progress Software Corporation supply-chain incident (2023).