breach-response-playbook

Building Breach Response Team Playbook

Overview

A breach response team playbook is the operational manual that enables rapid, coordinated response when a personal data breach occurs. It pre-defines roles and responsibilities, escalation paths, communication templates, and external contact information so that the response team can act immediately without spending critical hours on logistics during an actual incident.

Team Structure — CSIRT + Privacy Integration

Core Response Team

Role	Primary	Backup	Contact	Responsibility
Incident Commander (IC)	Thomas Brenner (CISO)	Marcus Weber (SOC Lead)	+49 30 7742 8100 / ic@stellarpayments.eu	Overall coordination, resource allocation, containment decisions
Data Protection Officer	Dr. Elena Vasquez	Anna Schmidt (Deputy DPO)	+49 30 7742 8001 / dpo@stellarpayments.eu	Notification decisions, risk assessment, regulatory liaison, data subject communication
Legal Counsel	Sarah Chen (General Counsel)	External: Dr. Klaus Fischer (Freshfields)	+49 30 7742 8200 / legal@stellarpayments.eu	Legal advice, privilege management, regulatory strategy, law enforcement coordination
IT Forensics Lead	Petra Hoffmann (IT Director)	External: Sarah Mitchell (Mandiant)	+49 30 7742 8300 / it-forensics@stellarpayments.eu	Evidence preservation, forensic investigation, scope determination, root cause analysis
Communications Lead	Martin Keller (Comms Director)	Lisa Braun (Senior Comms Manager)	+49 30 7742 8400 / comms@stellarpayments.eu	Media response, customer communication, internal communication, social media monitoring
Executive Sponsor	Marcus Lindqvist (CEO)	CFO: Dr. Andrea Hoffmann	+49 30 7742 8000 / ceo@stellarpayments.eu	Strategic decisions, board notification, public statements, regulatory engagement
Customer Relations	James Park (VP Customer Success)	Maria Santos (Customer Success Director)	+49 30 7742 5000 / customers@stellarpayments.eu	Customer inquiry management, B2B client communication, service status updates
HR Lead	Claudia Richter (CHRO)	Stefan Müller (HR Director)	+49 30 7742 7500 / hr-confidential@stellarpayments.eu	Employee communication, Works Council coordination, insider threat scenarios

Extended Team (Activated as Needed)

Role	Contact	Activation Trigger
Board Liaison	Board Secretary (Dr. Friedrich Weber)	Breach affecting 10,000+ data subjects or likely to result in high risk
Cyber Insurance	Allianz Claims: +49 89 3800 0 (ref: SPG-CYB-2025-001)	Any breach likely to exceed EUR 50,000 in response costs
External IR Firm	Mandiant: +1 703 935 1700 (retainer: SPG-IR-2025-007)	Any breach requiring forensic investigation beyond SOC capability
External Legal	Freshfields: +49 30 20 28 39 000 (ref: SPG-LEG-2025-012)	Breach involving regulatory risk, litigation risk, or cross-border notification
External Communications	Brunswick Group: +49 69 2400 5510	Breach with media exposure or affecting 50,000+ individuals
Credit Monitoring Vendor	Experian Enterprise: +44 115 941 0888 (retainer: SPG-EXP-2025-003)	Breach involving financial data, government IDs, or health data

Escalation Matrix

Severity Classification

Severity	Criteria	Response Time	Escalation Level
SEV-1 (Critical)	10,000+ data subjects; special category data (Art. 9); ongoing exfiltration; ransomware with encryption	Immediate (within 15 minutes)	IC + DPO + CEO + General Counsel
SEV-2 (High)	1,000-10,000 data subjects; financial data; credentials; media exposure	Within 30 minutes	IC + DPO + General Counsel
SEV-3 (Medium)	100-1,000 data subjects; non-sensitive personal data; contained breach	Within 2 hours	IC + DPO
SEV-4 (Low)	Under 100 data subjects; low-sensitivity data; contained with no exfiltration	Within 4 hours	SOC Lead + Privacy Coordinator

Escalation Flow

SOC Analyst detects alert
    ↓
SOC Lead validates (within 15 min)
    ↓
Personal data involved? → No → Standard security incident process
    ↓ Yes
Classify severity (SEV-1 to SEV-4)
    ↓
SEV-1/2: Activate Incident Commander + DPO immediately
SEV-3: Notify IC + DPO within 2 hours
SEV-4: Notify Privacy Coordinator within 4 hours
    ↓
IC convenes Core Response Team
    ↓
72-hour Art. 33 clock determination
    ↓
Investigation → Risk Assessment → Notification Decision

Communication Templates

Template 1: Internal Breach Alert (Email to Core Response Team)

Subject: [SEV-X] PERSONAL DATA BREACH — Immediate Action Required

From: SOC / Incident Commander To: Core Response Team distribution list

A personal data breach has been identified requiring immediate response.

Incident Summary:

• Discovery time: [UTC timestamp]
• Affected system(s): [system names]
• Breach type: [Confidentiality / Integrity / Availability]
• Estimated data subjects: [count or range]
• Personal data categories: [list]
• Containment status: [Contained / Active / Unknown]

Immediate Actions Required:

• IC: Convene response team call at [time] on [bridge/Teams link]
• DPO: Begin risk assessment; determine 72-hour deadline
• IT Forensics: Preserve evidence on affected systems
• Legal: Review for privilege and law enforcement considerations
• Communications: Prepare holding statement; monitor media

Response Team Bridge: [Teams meeting link] Incident Channel: Signal group "SPG-IR-Active"

Template 2: Media Holding Statement

Stellar Payments Group is aware of a security incident affecting [some of our systems / our customer database]. We immediately activated our incident response procedures and are working with leading cybersecurity experts to investigate the matter. The protection of our customers' data is our highest priority. We will provide further information as our investigation progresses. For media inquiries, please contact press@stellarpayments.eu.

Template 3: Customer Service Talking Points

For customer-facing staff during an active breach:

If a customer asks about a security incident:

• "We are aware of a security issue and our team is actively working to resolve it."
• "The security of your information is our top priority."
• "We will communicate directly with any affected customers as soon as our investigation allows."
• "I can take your contact details and ensure you are notified if your account is affected."

Do NOT:

• Confirm or deny specific details of the breach
• Speculate on the number of affected customers
• Provide information not in the approved talking points
• Discuss the incident on social media

Template 4: Board Notification (Email to Board Chair)

Subject: Data Breach Notification to the Board — [Breach Reference]

Dear [Board Chair],

I am writing to inform you of a personal data breach that occurred on [date]. This notification is provided in accordance with our Board-approved Incident Escalation Policy.

Summary: [2-3 sentence description] Scale: [approximate data subjects and data categories] Status: [contained/under investigation] Regulatory notification: [filed/pending/not required] Financial exposure: [estimated response costs and potential regulatory penalties]

A full briefing will be provided at [scheduled time]. In the interim, [CEO name] is overseeing the organizational response.

Template 5: Employee Communication (All-Staff)

Subject: Important Update from [CEO] Regarding a Security Incident

Dear Colleagues,

I want to share an important update. On [date], we identified a security incident affecting [description]. Our security and privacy teams are working around the clock to investigate and resolve the situation.

What we know: [brief, factual description] What we are doing: [containment and investigation actions] What this means for you: [if employee data was involved, say so directly; if not, clarify] What we ask of you: Report any unusual system activity to security@stellarpayments.eu. Do not discuss this matter externally or on social media.

We will provide updates as we learn more. Thank you for your professionalism and support during this time.

[CEO Name]

Regulatory Authority Contact Directory

European Union

Country	Authority	Breach Portal / Contact	Phone
Germany (Berlin)	Berliner BfDI	datenschutz-berlin.de	+49 30 13889 0
Germany (Federal)	BfDI	bfdi.bund.de	+49 228 997799 0
France	CNIL	notifications.cnil.fr/notifications	+33 1 53 73 22 22
Ireland	DPC	forms.dataprotection.ie	+353 57 868 4800
Netherlands	AP	autoriteitpersoonsgegevens.nl	+31 70 888 8500
Spain	AEPD	sedeagpd.gob.es	+34 91 266 35 17
Italy	Garante	protocollo@pec.gpdp.it	+39 06 696 77 1
Belgium	APD/GBA	gegevensbeschermingsautoriteit.be	+32 2 274 48 00
Austria	DSB	dsb.gv.at	+43 1 52 152 0
Poland	UODO	uodo.gov.pl	+48 22 531 03 00

United Kingdom

Authority	Portal	Phone
ICO	ico.org.uk/for-organisations/report-a-breach	+44 303 123 1113

United States

Authority	Portal	Phone
HHS/OCR (HIPAA)	ocrportal.hhs.gov	+1 800 368 1019
California AG	oag.ca.gov/privacy/databreach/reporting	+1 916 210 6276
New York AG	ag.ny.gov/internet/filing-a-complaint	+1 800 771 7755
FTC	ftc.gov/enforcement	+1 877 382 4357

Other International

Jurisdiction	Authority	Contact
Canada	OPC	priv.gc.ca
Australia	OAIC	oaic.gov.au/privacy/notifiable-data-breaches
Brazil	ANPD	gov.br/anpd
Singapore	PDPC	pdpc.gov.sg

Pre-Negotiated Vendor Contacts

Service	Vendor	Contract Reference	Activation Contact	SLA
Incident Response	Mandiant	SPG-IR-2025-007	+1 703 935 1700 / ir@mandiant.com	On-site within 24 hours, remote within 4 hours
External Legal (EU)	Freshfields Bruckhaus Deringer	SPG-LEG-2025-012	+49 30 20 28 39 000	Partner-level response within 2 hours
External Legal (US)	Covington & Burling	SPG-LEG-2025-013	+1 202 662 6000	Partner-level response within 2 hours
Credit Monitoring	Experian IdentityWorks	SPG-EXP-2025-003	+44 115 941 0888	Portal activation within 48 hours
Crisis Communications	Brunswick Group	SPG-COM-2025-001	+49 69 2400 5510	Team mobilized within 4 hours
Cyber Insurance	Allianz Cyber Enterprise	SPG-CYB-2025-001	+49 89 3800 0	Claims acknowledgment within 24 hours
eDiscovery / Legal Hold	Relativity / Exterro	SPG-LIT-2025-004	+1 312 263 1333	Legal hold activation within 4 hours

Playbook Maintenance

Activity	Frequency	Owner
Review and update contact information	Quarterly	DPO Office
Verify vendor retainer agreements are current	Annually	Procurement + DPO
Update regulatory authority contact details	Semi-annually	DPO Office
Tabletop exercise using playbook	Semi-annually	DPO + CISO
Full playbook revision	Annually or after any SEV-1/SEV-2 incident	DPO
Distribute updated playbook to Core Response Team	After every revision	DPO Office