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When forwarding an email containing sensitive PII (Personally Identifiable Information), which practice is considered the safest to ensure data privacy?
Forward the email as is, assuming the recipient is authorized.
Copy the text into a new email and redact the sensitive information before sending.
Print the email and scan it as a new PDF to remove metadata.
Reply to the original sender asking them to resend the information in a plain text format.
Copy the text into a new email and redact the sensitive information before sending.
The safest practice for handling sensitive PII during email forwarding involves manual redaction to prevent accidental disclosure. By copying only necessary information and actively removing PII, the user maintains strict control over the data being transmitted, adhering to the principle of least privilege.
ISO/IEC 27001:2013 Annex A.18.1.4 (Privacy and protection of personally identifiable information)
The safest practice for handling sensitive PII during email forwarding involves manual redaction to prevent accidental disclosure. By copying only necessary information and actively removing PII, the user maintains strict control over the data being transmitted, adhering to the principle of least privilege.
Risk=Threat├ЧVulnerability├ЧAsset┬аValue
This mechanism operates by sanitizing the data payload before it is encrypted or transmitted through the mail transfer agent. Redaction acts as a preventive control, ensuring that even if the communication channel is compromised, the exposed data subset is minimized or anonymized.
Personally Identifiable Information (PII) includes data that can distinguish or trace an individual's identity.
Forwarding emails often carries forward hidden metadata, attachments, and historical email threads which may contain unauthorized PII.
Manual redaction provides a fail-safe verification step that automated tools might miss.
Encryption protocols like TLS (Transport Layer Security) protect data in transit but do not protect data stored in the recipient's mailbox if shared improperly.
Eliminates accidental transmission of historical thread data.
Reduces the surface area of sensitive data exposed to unauthorized recipients.
Provides a clear audit trail of what was shared.
Time-consuming for high-volume email workflows.
Human error possible if redaction is incomplete.
Corporate legal and HR email communication.
Healthcare data transfer involving Patient Health Information (PHI).
Banking and financial identity verification processes.
Standard practice for data sanitization is to remove PII such as Aadhar numbers, PAN numbers, or residential addresses.
Option A is dangerous due to 'data leakage' where nested email threads are exposed. Option C is ineffective as metadata often persists in PDF properties. Option D is impractical as it requires original sender intervention without guaranteeing the privacy of the original content.
B is correct тАФ Copying and redacting PII ensures that only the minimum necessary information is disclosed, minimizing the risk of unauthorized data exposure.
Always assume that email headers and nested threads are accessible to unintended recipients; treat every forward action as a new data exposure risk.