This curriculum spans the breadth of email security operations found in multi-workshop technical programs and internal capability builds, addressing the same technical configurations, cross-functional coordination, and compliance integration activities performed by enterprise security teams managing complex email environments.
Module 1: Threat Landscape and Risk Assessment in Enterprise Email
- Selecting threat intelligence feeds based on relevance to industry-specific email attack patterns such as BEC or supply chain phishing.
- Mapping email attack vectors to MITRE ATT&CK framework for consistent risk scoring across security domains.
- Conducting red team exercises focused on email spoofing to validate detection thresholds and response timelines.
- Quantifying financial and operational impact of past email incidents to justify security investment in board-level risk reports.
- Integrating email threat data into enterprise-wide risk registers maintained by GRC platforms.
- Establishing criteria for classifying email incidents as low, medium, or high risk based on data sensitivity and recipient role.
- Defining acceptable risk thresholds for email delivery delay versus false positive blocking rates.
- Documenting third-party email service dependencies in business impact analyses for continuity planning.
Module 2: Email Authentication Protocols and Infrastructure Hardening
- Configuring DNS records for SPF, DKIM, and DMARC with alignment policies that balance deliverability and spoofing prevention.
- Resolving SPF lookup limit issues caused by excessive include mechanisms in large organizations.
- Choosing key lengths and rotation schedules for DKIM that meet compliance requirements without breaking legacy systems.
- Enforcing DMARC policies at p=reject after monitoring aggregate reports and coordinating with business units.
- Managing subdomain policy inheritance to prevent authentication bypass in decentralized IT environments.
- Implementing BIMI with verified brand logos only after achieving enforced DMARC compliance.
- Hardening mail transfer agents (MTAs) with TLS 1.2+ and certificate pinning while maintaining interoperability.
- Isolating email gateway infrastructure in network zones with strict egress filtering to prevent lateral movement.
Module 3: Secure Email Gateway (SEG) Configuration and Policy Design
- Defining content filtering rules for outbound emails to prevent accidental data exfiltration by employees.
- Configuring attachment sandboxing with resource limits to avoid performance degradation during scanning spikes.
- Setting up policy exceptions for legal or HR departments handling sensitive but legitimate file transfers.
- Integrating SEG with DLP systems using API-based classification rather than relying solely on regex patterns.
- Adjusting heuristic spam scoring thresholds based on regional email traffic patterns and language characteristics.
- Managing quarantined email review workflows to reduce analyst fatigue while ensuring timely threat validation.
- Enabling URL rewriting with real-time reputation checks without breaking internal or authenticated links.
- Validating SEG high-availability configurations through planned failover testing during maintenance windows.
Module 4: Advanced Threat Detection and AI-Driven Analysis
- Training custom machine learning models on internal email traffic to detect anomalous sender behavior.
- Integrating natural language processing to identify social engineering cues in phishing subject lines and body text.
- Reducing false positives in AI models by incorporating user role and historical communication patterns.
- Deploying anomaly detection for login patterns to flag compromised accounts used for email-based attacks.
- Validating third-party AI threat scoring against internal incident data before enabling automated actions.
- Establishing feedback loops where SOC analysts label model predictions to improve future accuracy.
- Monitoring model drift in email classifiers due to shifts in legitimate communication styles over time.
- Ensuring AI inference workloads comply with data residency requirements when using cloud-based services.
Module 5: Identity-Centric Email Protection and Access Controls
- Enforcing conditional access policies that block email access from unmanaged devices without MFA.
- Integrating identity providers with email systems to detect and respond to impossible travel logins.
- Implementing role-based access controls for shared mailboxes to prevent privilege escalation.
- Configuring mailbox auditing to capture access events for high-risk users such as executives and finance.
- Automating deprovisioning workflows to disable email access upon HR system termination events.
- Applying time-bound access grants for contractors accessing email-enabled collaboration tools.
- Mapping email account ownership to IAM governance reviews conducted quarterly for compliance.
- Blocking legacy authentication protocols like IMAP/SMTP for cloud email to enforce modern identity controls.
Module 6: Incident Response and Forensic Investigation for Email Breaches
- Preserving email headers and message tracking logs in immutable storage for forensic chain-of-custody.
- Executing mailbox search and export procedures across hybrid environments during active compromise.
- Coordinating with legal to determine disclosure obligations when sensitive emails are exfiltrated.
- Using message trace tools to reconstruct attack timelines from initial phishing to data exfiltration.
- Engaging external threat intelligence to attribute campaigns based on infrastructure reuse.
- Blocking malicious sender domains at the firewall and DNS level while avoiding overblocking.
- Conducting post-incident tabletop exercises to validate email-specific IR runbook effectiveness.
- Documenting root cause in incident reports with specific configuration gaps or user actions.
Module 7: Compliance, Privacy, and Regulatory Alignment
- Configuring email retention policies to meet jurisdiction-specific requirements without over-retention.
- Implementing encryption for emails containing PII based on automated classification rules.
- Auditing email archive access logs to detect unauthorized searches by administrators.
- Responding to data subject access requests (DSARs) by searching and exporting personal data from mail systems.
- Mapping email security controls to NIST, ISO 27001, or SOC 2 requirements for auditor review.
- Validating GDPR Article 30 records of processing for email monitoring tools and third-party processors.
- Ensuring encrypted email solutions support recipient usability without compromising key management.
- Conducting DPIAs for new email analytics tools that process employee communication content.
Module 8: User Awareness and Behavior Management
- Designing phishing simulation campaigns with realistic scenarios tailored to departmental roles.
- Setting thresholds for repeated failure in simulations that trigger mandatory retraining.
- Integrating reporting buttons into email clients and measuring user reporting rates over time.
- Sharing anonymized incident data with employees to reinforce risk awareness without causing alarm.
- Collaborating with HR to incorporate email security behaviors into performance evaluations.
- Tracking click-through rates on simulated phishing to identify high-risk user groups for coaching.
- Developing secure communication guidelines for executives frequently targeted by spear phishing.
- Measuring program effectiveness through reduction in mean time to report real phishing attempts.
Module 9: Third-Party Risk and Vendor Management for Email Services
- Evaluating cloud email providers’ SOC 2 reports for controls over data isolation and access monitoring.
- Negotiating data processing agreements that specify email data handling and breach notification terms.
- Assessing vendor incident response capabilities through documented playbooks and SLAs.
- Validating backup and recovery procedures for email data with the provider during contract onboarding.
- Monitoring vendor change management processes to anticipate impacts on email security configurations.
- Conducting annual vendor risk reassessments including penetration test results and patching cadence.
- Enforcing contractual requirements for sub-processor transparency in global email delivery chains.
- Establishing escalation paths for critical email outages or security events involving third-party systems.