Wireless security toai vm
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This document discusses wireless security and provides recommendations for enhancing wireless security. It begins with an overview of wireless networks and their benefits and risks. Common wireless security risks include weak encryption, man-in-the-middle attacks, and rogue access points. The document then recommends creating a wireless security policy, securing the wireless local area network through measures like strong encryption and access control, protecting the network from external threats using firewalls and VPNs, and providing security awareness training for users. Lastly, it presents two diagrams for implementing wireless security in a finance organization and compares their advantages and disadvantages.
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Wireless security toai vm
- 1. Wireless Security Presenter: Vi Minh Toai Email: minhtoai@yahoo.com CCNA, MCSE, CEH, F5 Advance
- 2. Contents Wireless Overview Wireless Security Risks Enhance Wireless Security Wireless diagram for finance organization 2
- 3. I. Wireless Overview More convenience than wired LAN Easy to connect, easy to share High Transport Speed. 802.11ac standard can archive maximum 1,69 Gbit/s Most technology devices support WLAN (802.11a/b/g/n/ac): computer, phone, tablet, camera, printer, television, memory stick,… Municipal wireless network: some cities have coverage wireless such as Bangkok, Singapore, Ha long, Hoi an, Da nang, Hue 3
- 4. II. Wireless security risk Weak encryption WEP MIM - Man in the middle Easy bridge to wired LAN Rouge AP, evil twin,… Untrusted providers: Firmware, Embedded wireless chip on Housewares such as clothes iron, water heater,… 4
- 5. III. Enhance Wireless Security 1. Create a Wireless Security Policy 2. Secure the WLAN 3. Protect Your Company from Outside Threats 4. Security Awareness Training 5
- 6. 1. Create a Wireless Security Policy Acceptable use policy E-mail and communications activities Antivirus policy Identity policy Password policy Encryption policy Remote access policy 6
- 7. 2. Secure the WLAN Use strong encryption: WPA, WPA2 Change the default SSID, default administrator account/ password. Use VLANs or MAC address control lists Disable SSID broadcast Guest access SSID AP Isolation Secure management ports Secure communications Physical secure Access points Limit Wireless range Turn off Wireless when not use Regularly changing encryption keys 7
- 8. 3. Protect Your Company from Outside Threats 802.1X authentication: RADIUS Assign Static IP Network Firewall and personal firewall software VPN: Virtual Private Network NAC: Network Access Control Wireless IPS: Prevent unauthorized, rogue AP, evil twin and other wireless threats Wireless Security Endpoints: BYOD Wireless Management System Logging 8
- 9. 4. Wireless Security Awareness Training Train users for using wireless securely. Understand Wireless Security Policy and follow the policy. Do Not Auto-Connect to Open Wi-Fi Networks 9
- 10. IV. Wireless diagram for finance organization Requirements: Wireless used for customers and VIP employees, especially for HO and meeting rooms. Highest security, prevent any wireless threats. 10
- 11. Wireless diagram for finance organization Diagram 1 11
- 12. Wireless diagram for finance organization Diagram 2 12
- 13. Comparison Method Diagram 1: Advantage Diagram 1: Disadvantage Diagram 2: Advantage Diagram 2: Disadvantage Design Equip Firewall, private Internet line for Branches No need to equip private Internet line for Branches Performance Fast Internet access, low delay Slow Internet access, high delay, can effect WAN connection Security Secure Internal LAN, Internet access cannot go inside Passthough WAN Infrastructure, hard to control security Availability Keep access Internet as if WAN line lost Cannot access Internet if WAN line lost Operation Hard operation as must control separate Internet line of branches Easy to control because of central Internet management at HO 13
- 14. Which diagram is the best for your company? It depends on what you need. If Wireless is deployed for several branches, diagram 1 should be the best. If Wireless is deployed for huge branches, diagram 2 should be considered. 14
- 15. Wireless Solution Providers Airtight Cisco Aruba Ruckus Juniper Meraki HP 15
- 17. Questions and Answers Please contact: minhtoai@yahoo.com THANK YOU! 17