Course in Securing Wireless Networks

Wireless Network Architecture

• Types of wireless networks (WLAN, WPAN, WMAN)

• Infrastructure vs. ad hoc modes

• Roles of access points and clients

Wireless Standards Overview

• IEEE 802.11 families and differences

• Frequency bands and spectrum usage

• Range and throughput considerations

Signal Behavior and Interference

• Propagation characteristics

• Common interference sources

• Signal attenuation and multipath issues

Security Fundamentals

• Confidentiality, integrity, and availability

• Concepts of authentication and authorization

• Principles of secure communication

Wireless Threat Landscape

• Passive and active attacks

• Eavesdropping and man-in-the-middle threats

• Credential theft and session hijacking

Designing for Security

• Importance of defense in depth

• Network segmentation strategies

• Secure design lifecycle in wireless projects

WEP, WPA, WPA2, WPA3

• Evolution of encryption standards

• Key weaknesses and known exploits

• Transitioning to modern protocols

EAP and RADIUS

• Extensible Authentication Protocol (EAP) types

• Role of RADIUS in enterprise authentication

• Secure EAP implementations (PEAP, EAP-TLS)

Key Management

• Symmetric vs. asymmetric key usage

• Key distribution and rotation practices

• Secure storage of credentials

MAC Filtering and ACLs

• Limitations of MAC address filtering

• Role of access control lists in wireless

• Enhancing access control with dynamic policies

Role-Based Access

• Assigning access by user role or device type

• Policy enforcement mechanisms

• Integrating with identity providers

Network Access Control (NAC)

• Device posture checking

• Endpoint compliance enforcement

• Guest and BYOD access restrictions

Securing Access Points

• Changing default configurations

• Controlling broadcast settings

• Updating firmware and patching vulnerabilities

Wireless Controller Security

• Centralized management considerations

• Secure communication with APs

• Role-based admin access controls

Physical Security Measures

• Preventing unauthorized physical access

• Securing network closets and equipment

• Detecting and removing rogue devices

Wireless Intrusion Detection Systems (WIDS)

• Architecture and deployment options

• Common detection techniques

• Challenges in wireless environments

Traffic Analysis Techniques

• Capturing and interpreting wireless packets

• Identifying suspicious patterns and behaviors

• Use of open-source and commercial tools

Alerting and Incident Handling

• Configuring thresholds and alerts

• Responding to real-time threats

• Integrating WIDS with SIEM platforms

Identifying Rogue Devices

• Active vs. passive scanning

• Recognizing unauthorized broadcasts

• Locating rogue access points physically

Mitigation Techniques

• Disconnecting rogue APs safely

• Isolating suspicious traffic

• Containment best practices

Policy and Prevention

• Creating a no-tolerance wireless policy

• Educating users and administrators

• Regular audits and environment sweeps

Policy Development Essentials

• Defining scope and applicability

• Clear guidelines for users and IT staff

• Policy approval and ownership

Acceptable Use Guidelines

• Device usage rules

• Network resource access controls

• Sanctions for violations

Compliance and Legal Considerations

• Regulatory frameworks (e.g., GDPR, HIPAA)

• Data retention and protection mandates

• Audit readiness and reporting standards

Segmentation and Isolation

• Separating guest and internal networks

• VLANs and SSID segmentation

• Containment of high-risk zones

Zero Trust in Wireless

• Applying zero trust principles to wireless

• Continuous verification strategies

• Micro-segmentation implementation

Cloud-Managed Wireless Security

• Benefits and risks of cloud controllers

• Role of APIs and automation

• Securing communication with cloud services

Next-Generation Wireless (Wi-Fi 6/6E/7)

• Improvements in speed, security, and capacity

• New encryption capabilities

• Backward compatibility concerns

IoT and Wireless Security Challenges

• Explosion of connected devices

• Authentication limitations in IoT

• Lightweight encryption approaches

AI-Powered Wireless Attacks

• Role of automation in threat evolution

• Behavior-based detection and its limits

• Preparing for adaptive attack scenarios