Customer Security Explanation (Yahoo MDL (2018))¶
Use this to explain a security topic or incident to customers in clear, non-technical language; supports notification obligations and trust.
Purpose¶
This explanation translates technical and legal context from Yahoo MDL (2018) into clear customer-facing language, focusing on what happened, what protections are in place, and what customers should do. It supports transparent communication while remaining aligned with counsel-reviewed facts.
Hallucinated writing examples¶
Scenario: In an illustrative period during Yahoo MDL motion practice after public disclosures of large-scale account compromise (time), the Security Director (role) prepares a customer security explanation (type) for leadership stakeholders (audience).
CUSTOMER NOTICE — DATA SECURITY INCIDENT
What Happened: Yahoo previously disclosed large-scale compromise of user account data. The Company has preserved relevant evidence, engaged internal and external experts, and continues to coordinate with law enforcement and legal counsel. Public disclosures are limited to validated information to avoid confusion and protect investigative integrity.
What Information Was Involved: The incidents involved user account information associated with services previously described in public disclosures. As investigations and legal proceedings continue, Yahoo is committed to clear updates on affected categories and support options made available to impacted users.
What We Are Doing: We are strengthening account-security controls, improving monitoring and evidence retention, and maintaining governance reporting on remediation milestones. We are also improving escalation workflows and customer-support readiness for security-related inquiries.
What You Can Do: Use strong, unique passwords and enable multifactor authentication where available. Monitor account activity and be cautious of phishing messages claiming to be Yahoo support. For official updates and help, visit [URL] or contact [support channel].
Document-type guide: Customer Security Explanation
Writing tips: Writing best practices — Customer Security Explanation