MalwareOtherRansomwareVulnerability ExploitData EncryptedTargetedIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

Silversea Cruises Ltd.

bd_4cef6a5a4c27f787 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 24, 2021

Filed

Apr 25, 2022

To disclose

35 weeks

Affected

6state residents only

Linked

5 filings

Confidence

66%

Full breach record for Silversea Cruises Ltd. →

Silversea Cruises Ltd. notified the New Hampshire Attorney General of a data incident affecting 6 NH residents. Unauthorized access occurred between Aug 18-25, 2021, involving attempts to encrypt systems. Data accessed included PII, SSNs, financial accounts, and health info. Notices sent April 27, 2022, with 2 years credit monitoring.

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Incident timeline

undetected · 6 days

discovery → filing · 35 weeks / 244 days

Aug 18, 2021

Begins

Aug 24, 2021

Discovered

Apr 25, 2022

Filed

vs. sector median

+27 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_e20409d0d5278de22022-04-25Verified
Indiana State AGbd_f97b3f0d9065202d2022-04-27 · +2dVerified
Montana State AGbd_434779ee854e7f2f2022-04-22 · +3dCandidate
Maine State AGbd_4f73afba637d12ff2022-04-22 · +3dVerified

Name: Silversea Cruises Ltd.
norm: silversea cruises

Name: Silversea Cruises Ltd.
norm: silversea cruises
Industry: Otherllm

Discovered: Aug 24, 2021
Breach occurred: Aug 18, 2021 – Aug 25, 2021
Undetected for: 6 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 27, 2022
Affected individuals: 6state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Office of the Attorney General pursuant to N.H. Rev. Stat. Ann. § 359-C:20
Initial access: exploit_public_facing

During the incident: Silversea interrupted the attempts to encrypt its systems
Implemented measures to contain the incident, remove the third party access and secure our network
Began an investigation
Arranged resources to start identifying, informing, and assisting persons whose personal information may have been involved
Providing two years of complimentary credit monitoring services to affected state residents
Changes made: Taken additional steps to strengthen the security and monitoring that protects its systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 35 weeks(244 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Montana State AGApr 22 · first

Maine State AGApr 22 · first

Massachusetts State AG+3d

New Hampshire State AG+3d · this page

Indiana State AG+5d

Pattern: first filing Apr 22 (MT), last Apr 27 (IN) — a 5-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://mm.nh.gov/files/uploads/doj/remote-docs/silversea-cruises-20220425.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 25, 2022
Raw hash: 95f1837c4f7b7c6fb4b34ce38fbd7894d6dc9b28a00b69615da36418c19b76a4

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entitySilversea Cruises Ltd.

Victim entitySilversea Cruises Ltd.

Incidentdiscovered Aug 24, 2021

Stated responseSilversea interrupted the attempts to encrypt its systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov