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Internet Security in IT Operations Management

Internet Security in IT Operations Management

$199.00
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Course access is prepared after purchase and delivered via email
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This curriculum spans the design and operational integration of security controls across policy, identity, network, endpoint, cloud, and incident response domains, comparable in scope to a multi-phase organisational security transformation program involving governance alignment, architecture redesign, and continuous monitoring practices.

Module 1: Security Policy Development and Governance Frameworks

  • Define scope and classification levels for data handling policies based on regulatory requirements such as GDPR, HIPAA, or CCPA.
  • Select and adapt a governance framework (e.g., NIST CSF, ISO 27001) to align with organizational risk appetite and audit obligations.
  • Establish cross-functional approval workflows for policy changes involving legal, compliance, and IT leadership.
  • Integrate security policy enforcement mechanisms into existing change management systems to ensure operational consistency.
  • Develop exception handling procedures for policy deviations with documented risk acceptance and time-bound review cycles.
  • Implement automated policy compliance monitoring using configuration management databases (CMDB) and SIEM integrations.

Module 2: Identity and Access Management (IAM) Architecture

  • Design role-based access control (RBAC) structures aligned with job functions and least privilege principles across hybrid environments.
  • Deploy multi-factor authentication (MFA) for privileged accounts and remote access, balancing usability and security in high-availability systems.
  • Integrate on-premises Active Directory with cloud identity providers using federation protocols like SAML or OIDC.
  • Implement just-in-time (JIT) access for administrative roles using privileged access management (PAM) tools.
  • Enforce regular access recertification cycles for user accounts, especially for contractors and offboarded employees.
  • Configure identity synchronization workflows between HR systems and IAM platforms to automate provisioning and deprovisioning.

Module 4: Network Security Infrastructure and Segmentation

  • Architect network segmentation using VLANs, firewalls, and micro-segmentation to limit lateral movement during breaches.
  • Deploy next-generation firewalls (NGFW) with deep packet inspection at internet gateways and data center perimeters.
  • Implement zero-trust network access (ZTNA) for remote users replacing traditional VPNs in distributed environments.
  • Configure DNS filtering and sinkholing to block communication with known malicious domains.
  • Establish secure interconnection policies for cloud VPCs and on-premises networks using IPsec or TLS tunnels.
  • Monitor encrypted traffic using SSL/TLS decryption policies with defined privacy boundaries and lawful interception compliance.

Module 5: Endpoint Detection and Response (EDR) Operations

  • Select EDR agents based on OS compatibility, resource footprint, and integration capabilities with existing SIEM platforms.
  • Define detection rules for suspicious behaviors such as process injection, credential dumping, or unusual PowerShell usage.
  • Configure automated response actions (e.g., isolation, process termination) with approval thresholds to prevent service disruption.
  • Conduct regular threat-hunting exercises using EDR query interfaces to identify stealthy adversaries.
  • Manage EDR agent updates and configuration drift through centralized policy enforcement tools.
  • Integrate EDR alert data into incident response workflows with severity scoring and escalation paths.

Module 6: Security Monitoring and Incident Response

  • Design log retention policies based on forensic needs, legal requirements, and storage cost constraints.
  • Correlate security events across network, endpoint, and application logs using SIEM rule sets tailored to organizational assets.
  • Establish incident classification criteria (e.g., low, medium, high, critical) with predefined communication protocols.
  • Conduct tabletop exercises simulating ransomware, data exfiltration, and insider threat scenarios.
  • Integrate threat intelligence feeds (e.g., STIX/TAXII) to enrich alert context and prioritize response efforts.
  • Document post-incident reviews with root cause analysis and action items tracked in a remediation management system.

Module 7: Secure Configuration and Vulnerability Management

  • Adopt CIS Benchmarks or DISA STIGs to standardize secure configurations for servers, workstations, and network devices.
  • Schedule vulnerability scans with minimal production impact using off-peak windows and scan throttling.
  • Prioritize remediation efforts using CVSS scores combined with asset criticality and exploit availability.
  • Implement configuration drift detection using automated tools to enforce baseline compliance.
  • Coordinate patch deployment windows with change advisory boards (CAB) to minimize service outages.
  • Manage exceptions for unpatchable systems through compensating controls and documented risk acceptance.

Module 8: Cloud Security and Shared Responsibility Models

  • Map cloud provider responsibilities (e.g., AWS, Azure) against customer-managed controls using shared responsibility matrices.
  • Enforce encryption of data at rest and in transit for cloud storage services using customer-managed keys (CMKs).
  • Configure cloud security posture management (CSPM) tools to detect misconfigurations in IAM, storage, and network settings.
  • Implement secure API access patterns for cloud services using short-lived credentials and scoped permissions.
  • Monitor cloud-native logs (e.g., AWS CloudTrail, Azure Activity Log) for unauthorized configuration changes.
  • Design backup and recovery strategies for cloud workloads with geographic redundancy and ransomware protection.
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