1. 1 1 Hosted Network Security EarthLink Complete™ Data

2. 2 Nationwide Network Core Network Nodes Nationwide Network Multi-Service Access POPS Nationwide Network MPLS Backbone Nationwide Network IP Backbone and Fiber Infrastructure

3. 3 Architecture Our Hosted Network Security solution utilizes a suite of carrier-grade switches, management and analysis hardware –Two geographically diverse switches for redundancy Automatic fail over in the event of an outage –Separation of service using virtual domains allows us to keep security profiles private

4. 4 Service Description – Hosted Network Security Comprehensive network-based security solution, providing a variety of security services for businesses. Hosted Network Security is a value added service for the EarthLink Complete™ Data MPLS product suite, providing a stable, secure and reliable network solution for private and public data needs.

5. 5 5 Hosted Network Security Packages

6. 6 Includes: Firewall with stateful inspection NAT & PAT Benefits: Keeps track of the state of network connections Has the ability to identify legitimate packets for different types of connections Only packets matching a known active connection will be allowed to pass through the firewall Rejects all other packets Can be customized to allow or block ports and protocols Basic Package

7. 7 Includes: Basic Package plus… URL Filtering (whitelist & blacklist) Web Content Filtering Application Control Benefits: Specify which websites should be accessible (whitelisted) or blocked (blacklisted) at the firewall using URL Filtering Choose categories of websites to block or allow at the firewall such as pornography, racism & hate, and arts & entertainment using Web Content Filtering Use Application Control to manage the type of applications that can access data outside the firewall. Permit or block non-approved application categories such as chat or peer-to-peer clients to improve productivity and protect valuable company information. Advanced Package

8. 8 Includes : Advanced Package plus… Further customization options via content filtering and application control for more granular security coverage Data Leak Prevention (DLP) allows you to define specific patterns in the data that would be allowed or blocked Intrusion Detection Service (IDS) and Intrusion Prevention Service (IPS) Anti-Virus, Anti-Malware, Anti-Spyware via scanning of data streams Benefits : Content Filtering can be set at category/sub-category level allowing for more granular security control Allow specific applications to operate through the firewall using Application Control even though the application category itself may be blocked Confidential information such as Social Security Numbers, credit card #s, and other critical company assets can be defined and protected via DLP The ability to identify malicious content within a data stream to both log and block via IPS The system detects, logs and blocks harmful software (malware, viruses & tracking software) from entering network Premium Package

9. 9 Do it MyselfHosted Network Security Basic Hosted Network Security Advanced Hosted Network Security Premium Security Devices$50,000No equipment to buy or renew! 1 Security FTE for 3 years $300,000Included in price – our certified security experts 24x7 Monitoring / Management Tools $50,000Included in price – our Network Security Center Total $400,0000$27,000$32,400$43,200 Cost Effective Protection

10. 10 Hosted Network Security product includes free reporting for each service within the myLink portal: –Basic Security Report –Bandwidth Analysis Report –Web Filtering Reports –Forensic Analysis Report –Threat Analysis Report Reporting

11. 11 [Customer] Hosted Network Security Proposal

12. 12 Your Network Solution [Customize for customer, examples follow] Multi-site security coverage for locations in your private network

13. 13 Your Network Design [Insert Network Design]

14. 14 Your Design Features [Customize for customer, examples follow] Solution design provides the most cost effective security solution for your private network Includes up to 5 usable IP addresses (/29)

15. 15 Your Service Summary EXAMPLE REPLACE WITH CUSTOMER’S ACCESS SUMMARY (delete this box)

16. 16 Service Level Agreements SLACompensation Loop MTTR - DS1/DS34 Hours15% MRC Loop MTTR DSL18 Hours15% MRC Install DS1/DS345 Business Days15% MRC Install DSL30 Business Days15% MRC CPE MTTR Next business day if isolated to the CPE by 2 P.M. PST5% MRC Network Availability (Core Network)99.999%15% MRC Latency (Round trip, P2P Core Network)45ms15% MRC Data Delivery Ratio (real time)99.9%15% MRC

17. 17 Project Management Keeps project on schedule Coordinates EarthLink Business’s internal resources: circuit provisioning, equipment install, networking testing Outlines project roles and responsibilities: inside wiring, building access, address corrections, definition of demarcation point, etc. Serves as the point of escalation during network implementation

18. 18 Key Differentiators Leading IP infrastructure Nationwide footprint Robust product set, customizable solutions End-to-end bi-directional CoS over asynchronous access elements Personalized support - an extension of your IT staff Online portal will consistently monitor your network and automatically open trouble tickets Proven service provider across multiple industries EarthLink growth engine with access to capital for network upgrades, new technologies