BMW-targeted concept demonstration. Operational entities, suppliers, parts, inventory, production, financial values and incident conditions are synthetic and do not represent BMW systems, performance or current exposure.
Incident command room
Left: what happened. Center: what depends on it. Right: what must be decided next.
Incident summary
S1responding
ReferenceINC-2026-0113
TypeRansomware
Affected entityMeridian Stamping
Sites in scope3 sites
Systems in scopeSYS-01, SYS-02, SYS-03
Detected2026-03-17 08:20Z
Estimated start2026-03-16 21:00Z
Time elapsed6h
Containmentin progress
Supplier recovery est.72h (supplier statement, unverified)
Reporting sourceSupplier notification (VP Operations, phone + letter)
Confidencemedium
CommanderL. Marchetti, Incident Commander
Services unavailable
- ■Order and release intake (830, 862)
- ■ASN generation (856)
- ■Outbound shipping labels
- ■Invoice transmission (810)
Data-integrity concern open: the supplier has not confirmed whether release and shipment data was altered before encryption.
Chronology
- 2026-03-16 21:00ZEstimated encryption start at supplier (supplier statement, unverified).— Meridian Stamping
- 2026-03-17 06:35Z997 acknowledgements stop arriving for Meridian trading partner ID.— OEM EDI Broker
- 2026-03-17 08:12ZSupplier notifies OEM of ransomware affecting ERP, EDI and shipping systems.— Meridian Stamping
- 2026-03-17 08:20ZIncident INC-2026-0113 opened, severity S1, commander assigned.— L. Marchetti
- 2026-03-17 09:05ZMeridian B2B tunnel terminated at the concentrator (CHG-88214).— A. Fournier
- 2026-03-17 09:40ZBlast radius traversal run; SC Assembly LN-1/LN-2 and Saltillo LN-4 identified as exposed.— AutoResilience Command
- 2026-03-17 11:15ZManual EDI processing (BCP-1) activation started; capacity 220 messages/day.— S. Bhatt
- 2026-03-17 12:30ZAlternate source Northbend Castings contacted for qualified stamping.— T. Nakamura
Exposure cannot be fully determined. Missing information increases—not decreases—decision risk.
- ▲Meridian has not confirmed whether shipment and release data was altered before encryption.
- ▲6 part–line pairs in the traced set have no current inventory record.
- ▲Belmont Die Casting qualification (ALT-2) is 311 days old and unapproved.
- ▲SC Assembly build-ahead bank plan (BCP-3) has never been tested.
Blast radius
Supplier1
Supplier sites3
Systems & processes25
Parts10
Lines8
Plants3
Programs4
Confirmed material impactProbable or imminentPossible / evidence gapResponse underwayValidated operationalUnknown / not assessed
Dependency path
Select any node above to see why it is in scope, hop by hop, with the source record, owner and validation state of every link.
Priority actions
- Disable Meridian service credentialsT+2hA. Fournier · CISO Office · P1 · in progress
- Confirm affected part numbers at SC Assembly and SaltilloT+3hK. Ruiz · Materials · P1 · in progress
- Preserve evidence and open chain of custodyT+4hP. Adeyemi · Security Operations · P2 · approved
- Validate usable inventory excluding quarantineT+4hK. Ruiz · Materials · P1 · proposed
- Activate manual EDI processing (BCP-1)T+4hS. Bhatt · Continuity · P1 · in progress
- Contact Northbend Castings for alternate supplyT+6hT. Nakamura · Procurement · P1 · approved
Decisions & approvals pending
- Validate usable inventory excluding quarantineProposed from template “Validate available inventory” — awaiting L. Marchetti, Incident Commander
- Prioritise available inventory to RidgelineProposed from template “Prioritize available inventory” — awaiting L. Marchetti, Incident Commander
- Resequence Final Trim 1 to banked bodiesProposed from template “Adjust production schedule” — awaiting L. Marchetti, Incident Commander
- Notify affected customers of delivery riskProposed from template “Notify customers” — awaiting L. Marchetti, Incident Commander
- Validate a live 856 ASN end to endProposed from template “Validate restored transactions” — awaiting L. Marchetti, Incident Commander
- Security approval of Meridian environmentProposed from template “Conduct security approval” — awaiting L. Marchetti, Incident Commander
- Decision: authorise expedited freight premiumProposed from template “Executive decision” — awaiting L. Marchetti, Incident Commander
- Decision: authorise reconnection when gates passProposed from template “Authorize reconnection” — awaiting L. Marchetti, Incident Commander
Evidence gaps
- Credentials rotatedAll shared service accounts, keys and portal identities rotated on both sides.
- Malicious persistence addressedEvidence that persistence mechanisms were removed and the estate rebuilt or cleaned.
- Data integrity validatedSupplier proves order, release and shipment data is complete and unaltered.
- Critical interface tested830, 862 and 856 exchanged successfully in a controlled test window.
- Business transaction completedOne real purchase order, release and receipt processed end to end.
- Production or service test passedReceived material consumed on line without sequencing or quality exception.
- Cybersecurity approval recordedNamed security approver signs off with evidence references.
- Operational approval recordedNamed operations approver signs off on continuity exit.
- Reconnection authorisedExecutive authorisation recorded; tunnel re-enabled under monitoring.
Notifications
- 09:40Z Blast radius recalculated — 8 lines exposed.
- 11:15Z BCP-1 manual EDI activation in progress.
- 12:30Z Northbend Castings contacted for alternate supply.