Cleansing the Air
Securing wireless networks of all sizes is challenging, but it's not impossible. Below are some well-known technologies.
- Authentication And Encryption
- Although wireless encryption protects data in transit, it does little to guard against hackers and viruses. Network owners should consider account registration and require users to use some access control/authentication protocol, such as 802.1x.
- Antivirus/Antispyware
- Public-network owners can configure their Wi-Fi networks to scan traffic and files for malicious code, such as viruses, worms, spyware, Trojans, bots and phishing attacks to protect attached clients from widespread infections.
- Endpoint Security/Quarantining
- Endpoint-security solutions keep noncompliant systems from contaminating a public network. These systems conduct health checks each time a computer connects to the network.
- Intrusion Detection/Traffic Monitoring
- Traffic-monitoring and intrusion-detection systems help identify malicious activity and target offending clients for removal.
- DNS Caching/Content Monitoring
- Public networks should capture user info, such as IP address, MAC address and account information. A network manager can then scan traffic for noncompliant materials.
- Managed Services
- Because they require considerable expertise to deploy and maintain, public wireless networks give VARs an opportunity to deliver managed services.
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