Customer Win

2 July 2018

Corero Network Security plc

("Corero" or the "Company")

CUSTOMER WIN

$0.5 million customer order for SmartWall 100Gbps

Corero Network Security plc (AIM: CNS), the global network security company, is pleased to announce a $0.5 million order for its new 100G SmartWall® Threat Defense System ("SmartWall") technology with a North American service provider (the "Customer").

The order consists of multiple SmartWall 100Gbps products with supporting SecureWatch® services for one year. It follows a successful proof-of-concept trial, which included the evaluation of competitors, with SmartWall recognised as the technology best-placed to meet the Customer's requirements.

The Corero SmartWall solution mitigates DDoS attacks in real-time, unlike many of its competitors which can take up to 20 minutes or more to detect and successfully defeat an attack.

The deployment of SmartWall will enable the Customer to protect its customers from malicious DDoS traffic launched from across the Internet globally. This will provide the Customer with further competitive differentiation from its peers and heightened long-term customer satisfaction.

Andrew Lloyd, Corero President and EVP Sales and Marketing, said:

"We are delighted to have secured another customer for our new 100Gbps SmartWall DDoS mitigation technology, having only introduced it in late 2017, following a multi-year development program. To secure this order after a rigorous selection process is also highly gratifying and highlights the key competitive advantage of our solution.

"We anticipate demand for our technology to accelerate during 2018 as we benefit from the combination of growth in adoption of faster 100Gbps links and increasing end-user service-level expectations resulting in the requirement for Service Providers, Cloud Providers and Enterprises to instigate a DDoS mitigation technology upgrade."

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About Corero Network Security

Corero Network Security is the leader in real-time, high-performance DDoS defense solutions. Service providers, hosting providers and digital enterprises rely on Corero's award winning technology to eliminate the DDoS threat to their environment through automatic attack detection and mitigation, coupled with complete network visibility, analytics and reporting. This industry leading technology provides cost effective, scalable protection capabilities against DDoS attacks in the most complex environments while enabling a more cost effective economic model than previously available. For more information, visit www.corero.com