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Mitigation Strategies Analysis for getsentry/sentry

Mitigation Strategy: Data Minimization via Strict Allowlist (within Sentry SDK)

  • Description:

    1. Define Allowlist: Create a precise list of data fields explicitly permitted to be sent to Sentry. This is done within your application code, not within the Sentry UI.
    2. Implement beforeSend (Sentry SDK): Utilize the beforeSend callback function provided by the Sentry SDK. This is a Sentry-provided mechanism.
    3. Filter Event Data (within beforeSend): Write code within the beforeSend callback to remove any data not in the allowlist. This leverages the Sentry SDK's functionality.
    4. Return Modified Event (Sentry SDK): The beforeSend function (part of the Sentry SDK) returns the filtered data to the Sentry SDK for transmission.

  • Threats Mitigated:

    • Threat: Accidental Exposure of Sensitive Data (PII, Credentials, API Keys) – via Sentry.
      • Severity: High
    • Threat: Data Leakage Due to Code Changes – affecting data sent to Sentry.
      • Severity: Medium
    • Threat: Over-Collection of Data – by Sentry.
      • Severity: Medium

  • Impact:

    • Accidental Exposure: Risk significantly reduced (High impact) – by controlling what the Sentry SDK sends.
    • Data Leakage: Risk significantly reduced (High impact) – by limiting what the Sentry SDK can transmit.
    • Over-Collection: Risk significantly reduced (High impact) – by restricting data sent to Sentry.

  • Currently Implemented:

    • Frontend (JavaScript): Partially. beforeSend is used, but not with a strict allowlist.
    • Backend (Python): Not implemented.

  • Missing Implementation:

    • Backend (Python): Implement beforeSend (Sentry SDK feature) with a strict allowlist.
    • Frontend (JavaScript): Refactor beforeSend (Sentry SDK feature) to use a strict allowlist.

Mitigation Strategy: Data Sanitization and Redaction (within Sentry SDK)

  • Description:

    1. Identify Sensitive Patterns: Create a list of regular expressions for sensitive data.
    2. Implement within beforeSend (Sentry SDK): After allowlist filtering, add code to the Sentry SDK's beforeSend callback.
    3. Iterate and Redact (within beforeSend): Loop through allowed fields and use the regular expressions to replace sensitive data with placeholders. This happens within the Sentry SDK's callback.
    4. Handle Stack Traces (Sentry SDK): Apply redaction to stack trace strings, potentially using Sentry's stack trace processing options (if available in the SDK).

  • Threats Mitigated:

    • Threat: Accidental Exposure of Sensitive Data within allowed fields sent to Sentry.
      • Severity: High
    • Threat: Data Leakage Due to Developer Error in data sent to Sentry.
      • Severity: Medium

  • Impact:

    • Accidental Exposure: Risk significantly reduced (High impact) – by cleaning data before the Sentry SDK sends it.
    • Data Leakage: Risk reduced (Medium impact) – by sanitizing data within the Sentry SDK's control.

  • Currently Implemented:

    • Frontend (JavaScript): Partially. Basic redaction, but not comprehensive.
    • Backend (Python): Not implemented.

  • Missing Implementation:

    • Backend (Python): Implement within beforeSend (Sentry SDK feature).
    • Frontend (JavaScript): Expand redaction rules and testing (within the Sentry SDK's beforeSend).

Mitigation Strategy: Configure Sentry.io (SaaS) Security Settings

  • Description:

    1. Data Scrubbing (Sentry UI): Enable and configure Sentry's built-in data scrubbing features within the Sentry.io web interface. This is a Sentry-provided setting.
    2. IP Address Filtering (Sentry UI): Configure IP address filtering within the Sentry.io web interface to restrict access. This is a Sentry-provided setting.
    3. Audit Logs (Sentry UI): Review Sentry's audit logs within the Sentry.io web interface. This uses Sentry's built-in logging.
    4. Data Retention Policies (Sentry UI): Configure data retention policies within the Sentry.io web interface. This is a Sentry-provided setting.
    5. Compliance Features (Sentry UI): Enable relevant compliance features (GDPR, HIPAA) within the Sentry.io web interface. These are Sentry-provided settings.
    6. Two-Factor Authentication (2FA) (Sentry UI): Enable and require 2FA for all users within your Sentry.io organization settings. This uses Sentry's built-in authentication.
    7. Single Sign-On (SSO) (Sentry UI): If available, configure SSO within the Sentry.io web interface. This integrates with Sentry's authentication system.

  • Threats Mitigated:

    • Threat: Unauthorized Access to Sentry Organization – specifically, the Sentry.io platform.
      • Severity: High
    • Threat: Data Breach at Sentry.io – mitigating the impact.
      • Severity: High
    • Threat: Compliance Violations – related to data stored in Sentry.
      • Severity: Medium to High

  • Impact:

    • Unauthorized Access: Risk reduced (High impact) – by using Sentry.io's security controls.
    • Data Breach: Impact reduced (High impact) – by leveraging Sentry.io's data handling features.
    • Compliance: Risk reduced (Medium to High impact) – by using Sentry.io's compliance tools.

  • Currently Implemented:

    • Data Scrubbing: Partially (some basic rules).
    • 2FA: Partially (enabled, but not required).

  • Missing Implementation:

    • IP Address Filtering: Not implemented (within Sentry.io).
    • Audit Logs: Not fully utilized (within Sentry.io).
    • Data Retention: Need to be configured (within Sentry.io).
    • Compliance Features: Need review and enabling (within Sentry.io).
    • Enforce 2FA for all users (within Sentry.io).
    • Consider SSO (within Sentry.io).