Security Considerations for Residential Broadband Access Services
What is “Residential Broadband”?
What is DSL?
DSL Service Characteristics
What is Cable Modem?
Cable Modem Service Characteristics
Broadband Speed Enables New Set of Applications from Home
Internet Access Perspective
Teleworker Perspective
Teleworker IT Manager Perspective
Unsecured Premises
Unsecured Transmission Links
Dealing with Unsecured Transmission Links
“Always On” Connectivity
High-speed Connectivity
Multiple Connections at the Residence
Multiple Connectivity Nightmare for the IT Manager
More Nightmares with Multiple Connections at the Residence
Still More Nightmares with Multiple Connections at the Residence
IT Manager May Not Control User Equipment
Uncontrolled Equipment Nightmares
Layer 2 versus Layer 3 Networks
IT Managers Need a Security Policy for Teleworkers
PC Security: Authentication
PC File Security
PC file security: access controls
Unauthorized Services
Transport Security
xDSL Security Characteristics
Cable Modem Security Characteristics
Applying Encryption
Securing Data Transport
Securing Data Transport
Multiple Connections
Multiple connections on single PC
Teleworker LANs
Filtering & Teleworker LANs
Beyond Filtering: Access Controls
Motivating Teleworkers to Support the Policy
Universal Precautions
Proactive Monitoring: Virus control
Monitoring for Intruders
Advanced Proactive practices