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Mitigation Strategies Analysis for lemmynet/lemmy

Mitigation Strategy: Instance Allowlisting/Blocklisting

Mitigation Strategy: Instance Allowlisting/Blocklisting

  • Description:

    • Step 1: Implement Instance Reputation System: Develop a system to track and rate the reputation of federated Lemmy instances based on moderation quality, uptime, reported incidents, and community feedback.
    • Step 2: Configure Allowlist (Optional but Recommended for High Security): Create a list of explicitly trusted Lemmy instances that your instance will federate with. Only instances on this list will be allowed to interact.
    • Step 3: Configure Blocklist (Essential): Create a list of Lemmy instances known to be malicious, spammy, or poorly managed. Your instance will refuse to federate with instances on this blocklist.
    • Step 4: Implement Dynamic List Updates: Automate the process of updating both allowlists and blocklists using community-maintained lists, threat intelligence feeds, or internal reporting mechanisms.
    • Step 5: Provide Admin Interface: Create an administrative interface within Lemmy to manage the allowlist and blocklist, allowing administrators to add, remove, and review instances.
    • Step 6: Configure Default Policy: Define a default federation policy within Lemmy's settings (e.g., block by default, allow by default with blocklist).

  • Threats Mitigated:

    • Malicious Federated Instances: Exposure to instances distributing malware, phishing links, or engaging in malicious activities. (Severity: High)
    • Spam and Low-Quality Content: Inundation with spam, irrelevant content, and low-quality discussions from poorly moderated instances. (Severity: Medium)
    • DoS/DDoS from Federated Instances: Malicious instances attempting to overload your instance with excessive federation requests. (Severity: Medium)
    • Exposure to Illegal Content: Federation with instances hosting or distributing illegal content. (Severity: High)

  • Impact:

    • Malicious Federated Instances: Risk Reduction: High
    • Spam and Low-Quality Content: Risk Reduction: Medium to High
    • DoS/DDoS from Federated Instances: Risk Reduction: Medium
    • Exposure to Illegal Content: Risk Reduction: High

  • Currently Implemented:

    • Lemmy has basic instance blocking functionality accessible through the admin interface.

  • Missing Implementation:

    • Allowlisting: No built-in allowlist functionality within Lemmy.
    • Dynamic List Updates: No automated mechanism within Lemmy for updating blocklists or allowlists.
    • Instance Reputation System: No built-in system within Lemmy for tracking instance reputation.
    • Granular Control: Limited control within Lemmy over allow/block lists at the community level.

Mitigation Strategy: Content Filtering and Sanitization for Federated Content

Mitigation Strategy: Content Filtering and Sanitization for Federated Content

  • Description:

    • Step 1: Input Sanitization on Inbound Content within Lemmy: Implement strict input sanitization within Lemmy's codebase for all content received from federated instances (posts, comments, messages, user profiles). Utilize a robust sanitization library within the Lemmy application.
      • Focus on Markdown: Specifically sanitize Markdown formatting within Lemmy to prevent injection attacks.
      • HTML Sanitization: If HTML is rendered from Markdown within Lemmy, use a well-vetted HTML sanitizer.
    • Step 2: URL Filtering within Lemmy: Integrate a URL filtering service or develop an internal system within Lemmy to check URLs in federated content against blocklists of malicious domains and phishing sites.
      • Reputation Services Integration: Integrate with reputable URL reputation services within Lemmy.
      • Local Blocklists within Lemmy: Maintain local blocklists of known malicious domains within Lemmy's configuration.
    • Step 3: Content Scanning Integration within Lemmy (Optional but Recommended): Integrate with content scanning services within Lemmy to automatically scan federated content for malware, phishing links, hate speech, and other harmful content.
    • Step 4: Media Scanning Integration within Lemmy (Optional but Recommended): Integrate media scanning within Lemmy to scan uploaded media (images, videos) from federated instances for malware, inappropriate content, and potentially illegal content.
    • Step 5: Content Security Policy (CSP) Configuration within Lemmy: Implement and configure a strong Content Security Policy (CSP) within Lemmy's web server configuration to mitigate XSS attacks.

  • Threats Mitigated:

    • Cross-Site Scripting (XSS) Attacks: Injection of malicious scripts into federated content that can execute in users' browsers via Lemmy. (Severity: High)
    • Malware Distribution: Federated instances distributing malware through links or file uploads displayed via Lemmy. (Severity: High)
    • Phishing Attacks: Phishing links embedded in federated content displayed via Lemmy. (Severity: High)
    • Exposure to Harmful Content: Users being exposed to hate speech, harassment, illegal content, or other harmful material from federated instances through Lemmy. (Severity: Medium to High)

  • Impact:

    • Cross-Site Scripting (XSS) Attacks: Risk Reduction: High
    • Malware Distribution: Risk Reduction: High
    • Phishing Attacks: Risk Reduction: High
    • Exposure to Harmful Content: Risk Reduction: Medium to High

  • Currently Implemented:

    • Lemmy likely implements some level of input sanitization to prevent basic XSS.
    • URL filtering, content scanning, and media scanning are likely not implemented in core Lemmy.
    • CSP is likely implemented to some extent in Lemmy's web server configuration.

  • Missing Implementation:

    • Robust Markdown Sanitization within Lemmy: Needs thorough review and enhancement within Lemmy's codebase.
    • URL Filtering Integration within Lemmy: Integration with URL reputation services and dynamic blocklists within Lemmy is missing.
    • Content Scanning Integration within Lemmy: Integration with content scanning services within Lemmy is missing.
    • Media Scanning Integration within Lemmy: Integration with media scanning services within Lemmy is missing.
    • CSP Hardening within Lemmy's Configuration: Review and strengthen the existing CSP configuration for Lemmy.

Mitigation Strategy: Rate Limiting and Traffic Shaping for Federated Connections

Mitigation Strategy: Rate Limiting and Traffic Shaping for Federated Connections

  • Description:

    • Step 1: Identify Federated Traffic within Lemmy: Distinguish between traffic originating from federated instances and traffic from direct users within Lemmy's network handling.
    • Step 2: Implement Connection Limits within Lemmy: Limit the number of concurrent connections allowed from each federated instance within Lemmy's connection handling.
    • Step 3: Implement Request Rate Limiting within Lemmy: Limit the number of requests per second or minute that can be received from each federated instance within Lemmy's request processing, especially for resource-intensive operations.
    • Step 4: Traffic Shaping/Prioritization within Lemmy: Configure traffic shaping within Lemmy to prioritize legitimate user traffic over federated traffic during high load.
    • Step 5: Monitoring and Alerting within Lemmy: Implement monitoring within Lemmy to track federated traffic patterns and detect anomalies. Set up alerts within Lemmy to notify administrators of suspicious activity.
    • Step 6: Configurable Limits within Lemmy: Make rate limiting and traffic shaping parameters configurable by administrators within Lemmy's settings.

  • Threats Mitigated:

    • Denial-of-Service (DoS) Attacks from Federated Instances: Malicious instances attempting to overwhelm your instance with excessive requests via Lemmy. (Severity: High)
    • Distributed Denial-of-Service (DDoS) Attacks from Federated Instances: Coordinated attacks from multiple compromised federated instances to overwhelm your instance via Lemmy. (Severity: High)
    • Resource Exhaustion: Federated traffic consuming excessive server resources (CPU, memory, bandwidth) within Lemmy's operation, impacting performance. (Severity: Medium)

  • Impact:

    • Denial-of-Service (DoS) Attacks from Federated Instances: Risk Reduction: High
    • Distributed Denial-of-Service (DDoS) Attacks from Federated Instances: Risk Reduction: Medium
    • Resource Exhaustion: Risk Reduction: High

  • Currently Implemented:

    • Lemmy likely has some basic rate limiting, potentially at the web server level.
    • Granular rate limiting specifically for federated connections and traffic shaping might be missing within Lemmy itself.

  • Missing Implementation:

    • Federation-Specific Rate Limiting within Lemmy: Need to implement rate limiting specifically targeted at federated connections and ActivityPub traffic within Lemmy.
    • Traffic Shaping/Prioritization within Lemmy: Implementation of traffic shaping within Lemmy to prioritize user traffic over federated traffic is likely missing.
    • Granular Configuration within Lemmy: Need to provide administrators with more granular control over rate limiting parameters for federated connections within Lemmy's settings.
    • Monitoring and Alerting within Lemmy: Enhanced monitoring and alerting for federated traffic anomalies within Lemmy is needed.

Mitigation Strategy: ActivityPub Protocol Security Hardening

Mitigation Strategy: ActivityPub Protocol Security Hardening

  • Description:

    • Step 1: Regular Updates of Lemmy and Dependencies: Maintain Lemmy and all its dependencies, especially those related to ActivityPub, updated to the latest versions. This is crucial for patching vulnerabilities within Lemmy's ActivityPub implementation.
    • Step 2: Security Audits of ActivityPub Implementation within Lemmy: Conduct regular security audits and penetration testing specifically focusing on Lemmy's ActivityPub implementation and federation features.
    • Step 3: Strict Input Validation of ActivityPub Messages within Lemmy: Implement rigorous input validation within Lemmy for all incoming ActivityPub messages. Verify protocol conformance and prevent injection attacks.
      • Schema Validation within Lemmy: Validate incoming messages against the ActivityPub schema within Lemmy's code.
      • Data Type Validation within Lemmy: Ensure data types are correct within Lemmy's processing of ActivityPub messages.
      • Command Filtering within Lemmy: Filter or sanitize potentially dangerous ActivityPub commands or parameters within Lemmy.
    • Step 4: Secure Configuration of ActivityPub Server within Lemmy: Review and harden the configuration of the ActivityPub server component within Lemmy's settings.
      • Disable Unnecessary Features within Lemmy: Disable any unnecessary ActivityPub features or extensions within Lemmy's configuration.
      • Secure Authentication within Lemmy: Ensure secure authentication mechanisms are used for ActivityPub interactions within Lemmy.
    • Step 5: Output Encoding for ActivityPub Responses within Lemmy: Properly encode all output in ActivityPub responses generated by Lemmy to prevent injection attacks.

  • Threats Mitigated:

    • ActivityPub Protocol Vulnerabilities: Exploitation of vulnerabilities in Lemmy's ActivityPub implementation. (Severity: High)
    • Injection Attacks via ActivityPub: Injection of malicious code or commands through manipulated ActivityPub messages processed by Lemmy. (Severity: High)
    • Data Breaches via ActivityPub: Exploitation of vulnerabilities to gain unauthorized access to sensitive data exchanged via ActivityPub through Lemmy. (Severity: High)
    • Denial of Service via ActivityPub: Attacks targeting Lemmy's ActivityPub implementation to cause service disruption. (Severity: Medium)

  • Impact:

    • ActivityPub Protocol Vulnerabilities: Risk Reduction: High
    • Injection Attacks via ActivityPub: Risk Reduction: High
    • Data Breaches via ActivityPub: Risk Reduction: High
    • Denial of Service via ActivityPub: Risk Reduction: Medium

  • Currently Implemented:

    • Lemmy relies on libraries for ActivityPub implementation.
    • Input validation and security audits specific to ActivityPub within Lemmy might be basic.

  • Missing Implementation:

    • Dedicated Security Audits for Lemmy's ActivityPub: Regular security audits focusing on Lemmy's ActivityPub implementation are needed.
    • Advanced Input Validation within Lemmy: More robust input validation for ActivityPub messages within Lemmy is required.
    • Secure Configuration Guides for Lemmy's ActivityPub: Detailed security configuration guides for hardening Lemmy's ActivityPub server component are needed.
    • Automated Vulnerability Scanning for Lemmy's ActivityPub: Integration of automated vulnerability scanning tools for Lemmy's ActivityPub components.

Mitigation Strategy: Federation Data Minimization and Privacy Controls

Mitigation Strategy: Federation Data Minimization and Privacy Controls

  • Description:

    • Step 1: Data Minimization Review within Lemmy: Conduct a review within the Lemmy development process of the data shared during federation. Minimize the user data exchanged with federated instances by Lemmy.
      • Anonymization within Lemmy: Consider anonymizing or pseudonymizing data shared during federation by Lemmy.
    • Step 2: Granular Privacy Settings for Users within Lemmy: Provide users with privacy settings within Lemmy to control what information is shared with federated instances and who can see their content across the federation.
      • Federation Opt-Out within Lemmy: Allow users to opt-out of federation entirely or for specific communities within Lemmy's settings.
      • Content Visibility Control within Lemmy: Allow users to control the visibility of their posts and profiles to federated instances within Lemmy's privacy settings.
    • Step 3: Data Retention Policies for Federated Data within Lemmy: Implement clear data retention policies within Lemmy for data received from federated instances. Define storage duration and purging rules within Lemmy's data management.
    • Step 4: Federation Scope Control for Administrators within Lemmy: Provide administrators with controls within Lemmy to manage the scope of federation.
      • Instance Type Filtering within Lemmy: Allow administrators to federate only with specific types of instances via Lemmy's configuration.
      • Community-Level Federation Control within Lemmy: Allow administrators to enable or disable federation for specific communities within Lemmy's community settings.
    • Step 5: Transparency and User Communication within Lemmy: Be transparent with users within Lemmy's privacy policy about data sharing practices related to federation.

  • Threats Mitigated:

    • Unintentional Data Sharing: Accidental or unnecessary sharing of sensitive user data with federated instances by Lemmy. (Severity: Medium)
    • Privacy Violations through Federation: Exposure of user data to potentially untrustworthy federated instances via Lemmy. (Severity: Medium to High)
    • Compliance Issues: Failure to comply with privacy regulations due to inadequate data minimization or user control within Lemmy. (Severity: High)

  • Impact:

    • Unintentional Data Sharing: Risk Reduction: High
    • Privacy Violations through Federation: Risk Reduction: Medium to High
    • Compliance Issues: Risk Reduction: High

  • Currently Implemented:

    • Lemmy shares data for federation.
    • User privacy settings related to federation might be basic within Lemmy.
    • Data retention policies for federated data might not be explicitly defined in Lemmy.

  • Missing Implementation:

    • Data Minimization Review and Implementation within Lemmy: A thorough review and implementation of data minimization principles for federation within Lemmy is needed.
    • Granular User Privacy Settings within Lemmy: Enhanced user privacy settings specifically for federation control within Lemmy are required.
    • Configurable Data Retention Policies within Lemmy: Implementation of configurable data retention policies for federated data within Lemmy is needed.
    • Federation Scope Control within Lemmy: More granular administrative controls over federation scope within Lemmy are required.
    • Transparency and User Communication within Lemmy: Improved transparency and user communication within Lemmy regarding federation data sharing practices are needed.

Mitigation Strategy: Lemmy-Specific Vulnerability Management

Mitigation Strategy: Lemmy-Specific Vulnerability Management

  • Description:

    • Step 1: Monitor Lemmy Release Notes and Security Advisories: Actively monitor Lemmy's official release notes, security advisories, and community channels for security information.
    • Step 2: Promptly Apply Lemmy Updates and Patches: Establish a process for promptly applying updates and security patches released by the Lemmy development team to your instance.
    • Step 3: Engage with Lemmy Community and Security Forums: Participate in Lemmy community forums and security discussions to stay informed about potential vulnerabilities.
    • Step 4: Code Reviews for Custom Lemmy Modifications: If using custom Lemmy modifications, conduct code reviews to identify security vulnerabilities in custom code.
    • Step 5: Regular Vulnerability Scanning of Lemmy Instance: Regularly scan the Lemmy application for known vulnerabilities using automated vulnerability scanners.

  • Threats Mitigated:

    • Exploitation of Known Lemmy Vulnerabilities: Attackers exploiting publicly disclosed vulnerabilities in Lemmy. (Severity: High)
    • Zero-Day Vulnerabilities: Proactive vulnerability management reduces the window of opportunity for zero-day exploits in Lemmy. (Severity: High)
    • Vulnerabilities in Custom Lemmy Code: Security flaws introduced by custom modifications to Lemmy. (Severity: Medium to High)

  • Impact:

    • Exploitation of Known Lemmy Vulnerabilities: Risk Reduction: High
    • Zero-Day Vulnerabilities: Risk Reduction: Medium
    • Vulnerabilities in Custom Lemmy Code: Risk Reduction: High

  • Currently Implemented:

    • Lemmy development team releases updates and security patches.
    • Responsibility for monitoring and patching Lemmy falls on instance administrators.

  • Missing Implementation:

    • Automated Update Mechanisms for Lemmy: Consider implementing or advocating for more automated update mechanisms within Lemmy.
    • Security Advisory Mailing List for Lemmy: Establish or promote a dedicated security advisory mailing list for Lemmy.
    • Vulnerability Scanning Guides for Lemmy: Provide guides for instance administrators on vulnerability scanning for Lemmy.
    • Community Security Reporting Program for Lemmy: Encourage community security reporting for Lemmy.

Mitigation Strategy: Moderation Tool Enhancement and Automation

Mitigation Strategy: Moderation Tool Enhancement and Automation

  • Description:

    • Step 1: Review and Enhance Lemmy Moderation Tools: Thoroughly review Lemmy's moderation tools and identify areas for improvement within the application.
      • Content Queues in Lemmy: Implement or enhance content queues within Lemmy for reviewing reported content.
      • User Management in Lemmy: Improve user management tools within Lemmy for banning, muting, and managing permissions.
      • Instance-Level Moderation in Lemmy: Enhance tools within Lemmy for instance-level moderation actions.
    • Step 2: Implement Automated Moderation Tools within Lemmy: Develop and integrate automated moderation tools within Lemmy to assist moderators.
      • Spam Filters in Lemmy: Implement robust spam filters within Lemmy.
      • Keyword/Phrase Filters in Lemmy: Configure keyword and phrase filters within Lemmy.
      • Reputation Systems in Lemmy: Implement user reputation systems within Lemmy.
    • Step 3: Consider Machine Learning-Based Content Moderation for Lemmy: Explore and potentially integrate machine learning-based content moderation tools for Lemmy.
    • Step 4: Community Moderation Support and Training for Lemmy: Provide community moderators with support, training, and documentation on using Lemmy's moderation tools.
    • Step 5: Robust Reporting and Blocking Mechanisms in Lemmy: Ensure reporting and blocking mechanisms are easily accessible and effective within Lemmy.

  • Threats Mitigated:

    • Spam Proliferation: Uncontrolled spread of spam content within Lemmy. (Severity: Medium)
    • Abuse and Harassment: Prevalence of abusive and harassing content within Lemmy. (Severity: Medium to High)
    • Policy Violations: Widespread violations of community guidelines within Lemmy. (Severity: Medium)
    • Moderator Burnout: Overwhelm of moderators due to high volumes of content and moderation requests within Lemmy. (Severity: Medium)

  • Impact:

    • Spam Proliferation: Risk Reduction: High
    • Abuse and Harassment: Risk Reduction: Medium to High
    • Policy Violations: Risk Reduction: Medium
    • Moderator Burnout: Risk Reduction: Medium to High

  • Currently Implemented:

    • Lemmy has basic moderation tools.
    • Automated moderation tools are likely limited in core Lemmy.

  • Missing Implementation:

    • Enhanced Moderation Tools in Lemmy: Further development and enhancement of moderation tools within Lemmy are needed.
    • Automated Spam Filters in Lemmy: Implementation of more robust automated spam filters within Lemmy is required.
    • Machine Learning Moderation for Lemmy: Exploration and integration of machine learning-based content moderation for Lemmy is missing.
    • Moderator Training Resources for Lemmy: Development of training resources for Lemmy moderators is needed.

Mitigation Strategy: API Security Hardening

Mitigation Strategy: API Security Hardening

  • Description:

    • Step 1: Implement Strong API Authentication and Authorization in Lemmy: Enforce strong authentication and authorization mechanisms for the Lemmy API.
      • API Keys/Tokens in Lemmy: Use API keys or tokens for authentication within Lemmy's API.
      • Role-Based Access Control (RBAC) in Lemmy: Implement RBAC to control API access based on user roles within Lemmy's API.
      • OAuth 2.0 in Lemmy: Consider using OAuth 2.0 for delegated authorization for Lemmy's API.
    • Step 2: API Rate Limiting in Lemmy: Implement rate limiting for Lemmy API requests.
      • Request Limits per User/IP in Lemmy: Limit API requests per user or IP within Lemmy.
    • Step 3: Input Validation and Output Encoding for Lemmy API: Strictly validate input to the Lemmy API and properly encode output.
      • Schema Validation for Lemmy API: Validate API requests against a schema within Lemmy.
      • Data Type Validation for Lemmy API: Ensure data types are correct for Lemmy API requests.
      • Output Encoding for Lemmy API: Properly encode API responses from Lemmy.
    • Step 4: API Security Audits and Penetration Testing for Lemmy: Conduct regular security audits and penetration testing of the Lemmy API.
    • Step 5: API Documentation and Security Guidelines for Lemmy: Provide clear API documentation for Lemmy, including security guidelines.
    • Step 6: Secure API Endpoints in Lemmy: Ensure sensitive API endpoints in Lemmy are properly secured.

  • Threats Mitigated:

    • Unauthorized API Access: Attackers gaining unauthorized access to the Lemmy API. (Severity: High)
    • API Abuse and Exploitation: Malicious actors abusing the Lemmy API. (Severity: Medium to High)
    • Injection Attacks via API: Injection of malicious code through Lemmy API requests. (Severity: High)
    • Denial of Service via API: Attackers overwhelming the Lemmy API. (Severity: Medium)
    • Data Breaches via API: Exploitation of Lemmy API vulnerabilities to access data. (Severity: High)

  • Impact:

    • Unauthorized API Access: Risk Reduction: High
    • API Abuse and Exploitation: Risk Reduction: Medium to High
    • Injection Attacks via API: Risk Reduction: High
    • Denial of Service via API: Risk Reduction: Medium
    • Data Breaches via API: Risk Reduction: High

  • Currently Implemented:

    • Lemmy API likely has basic authentication and authorization.
    • API rate limiting might be implemented to some extent in Lemmy.
    • Input validation and output encoding are likely present in Lemmy's API.

  • Missing Implementation:

    • RBAC or Granular Authorization for Lemmy API: Implementation of robust RBAC for Lemmy API is needed.
    • Comprehensive API Rate Limiting for Lemmy: Enhanced and configurable API rate limiting for Lemmy is required.
    • API Security Audits for Lemmy: Regular security audits of the Lemmy API are needed.
    • API Security Documentation for Lemmy: Detailed API security documentation for Lemmy is needed.
    • Secure API Endpoint Review for Lemmy: A review and hardening of sensitive Lemmy API endpoints is required.

Mitigation Strategy: Secure Configuration and Hardening of Lemmy Instance (Application-Specific)

Mitigation Strategy: Secure Configuration and Hardening of Lemmy Instance (Application-Specific)

  • Description:

    • Step 1: Follow Lemmy Security Hardening Guides: Follow security hardening guides and best practices specifically for configuring the Lemmy application itself.
    • Step 2: Apply Principle of Least Privilege within Lemmy Configuration: Apply the principle of least privilege to Lemmy's internal configurations and settings.
      • Disable Unnecessary Lemmy Features: Disable any unnecessary features within Lemmy's configuration that are not required.
    • Step 3: Regular Security Audits of Lemmy Configuration: Regularly review and audit the configuration of the Lemmy application to identify misconfigurations.
    • Step 4: Change Default Lemmy Configurations: Change any default configurations within Lemmy to more secure settings.
    • Step 5: Disable Unnecessary Lemmy Features: Disable any optional features within Lemmy that are not actively used to reduce the attack surface.
    • Step 6: Implement Access Controls within Lemmy: Configure access controls within Lemmy to restrict administrative functions and sensitive settings to authorized users only.
    • Step 7: Regular Security Monitoring and Logging within Lemmy: Implement security monitoring and logging within Lemmy to detect and respond to security incidents related to the application itself.
      • Log Aggregation and Analysis for Lemmy: Centralize and analyze Lemmy application logs for suspicious activity.

  • Threats Mitigated:

    • Security Misconfigurations in Lemmy: Exploitation of security vulnerabilities arising from misconfigurations in Lemmy itself. (Severity: High)
    • Privilege Escalation within Lemmy: Attackers exploiting misconfigurations to gain elevated privileges within the Lemmy application. (Severity: High)
    • Unauthorized Access to Lemmy Features: Gaining unauthorized access to Lemmy's features or administrative functions due to weak configuration. (Severity: High)
    • Data Breaches via Lemmy Misconfiguration: Security misconfigurations in Lemmy leading to data breaches. (Severity: High)
    • System Compromise via Lemmy Misconfiguration: Overall system compromise due to weak security posture of the Lemmy application. (Severity: High)

  • Impact:

    • Security Misconfigurations in Lemmy: Risk Reduction: High
    • Privilege Escalation within Lemmy: Risk Reduction: High
    • Unauthorized Access to Lemmy Features: Risk Reduction: High
    • Data Breaches via Lemmy Misconfiguration: Risk Reduction: High
    • System Compromise via Lemmy Misconfiguration: Risk Reduction: High

  • Currently Implemented:

    • Responsibility for secure Lemmy configuration falls on instance administrators.
    • Lemmy provides configuration options, but comprehensive application-specific hardening guides might be missing.

  • Missing Implementation:

    • Comprehensive Lemmy Security Hardening Guides: Develop detailed security hardening guides specifically for configuring the Lemmy application.
    • Automated Security Configuration Checks for Lemmy: Consider developing tools to automate security configuration checks for Lemmy itself.
    • Security Baselines and Templates for Lemmy: Provide secure configuration baselines and templates for deploying Lemmy instances.
    • Security Training for Lemmy Administrators: Offer security training for Lemmy instance administrators on secure application configuration.