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Darren Anstee

Chief Technology Officer for SecurityNETSCOUT

London, UK

Member Since January 2022


Darren joined NETSCOUT in 2015 through the company’s acquisition of Arbor Networks, initially serving as Chief Security Technologist. He spent the previous 12 years working in a variety of leadership roles at Arbor Networks, including stints in consulting engineering and solutions architecture. Widely recognised for his comprehensive knowledge of both network and security technologies, Darren often contributes to both technical and business publications and speaks before industry organisations. Darren is focused on helping network operators, whether enterprise or service provider, manage the risks they face as threats, technologies and business needs evolve. With more than 25 years of experience, Darren understands how ISPs and enterprises can utilise new networking and security technologies, combining them as enablers in the achievement of core business goals.

Published content

Why leaders should care about the surge in Domain Name System DDoS attacks


If you operate authoritative DNS infrastructure or utilize a service provided by another organization, make sure that infrastructure has the right defenses.

Why cybersecurity vendors need better focus on their ‘value’


Given the ever-escalating level of threat that exists for businesses, anything that makes the right level of investment in security easier to maintain is a good thing.

Where has my cable gone?


Fixed wireless access will bring the immense benefit of faster internet access to many communities, but from the mobile operator’s perspective, it comes with a lot of consumer IoT and other end-user infrastructure that has historically caused problems on wireline networks.

What leaders need to know about e-health, 5G, and mobile app security


The technologies available now provide all the building blocks needed—it's simply up to leaders to ensure they are put together correctly and with the right priorities.

Takeaways from the UK’s National Cyber Strategy


Darren Anstee shares his thoughts and insight from the latest National Cyber Strategy

How 2022 is shaping up to be a(nother) year of integration


Integration is key for organizations today across pretty much every technology stack they own, which is probably why it’s a major trend in strategic technology.

Company details


Company bio

NETSCOUT SYSTEMS, INC. (NASDAQ: NTCT) helps assure digital business services against security, availability, and performance disruptions. Our market and technology leadership stems from combining our patented smart data technology with smart analytics. We provide real-time, pervasive visibility and insights customers need to accelerate and secure their digital transformation. Omnis® Cyber Intelligence delivers the fastest and most scalable network security solution available on the market. NETSCOUT nGenius® service assurance solutions provide real-time, contextual analysis of service, network, and application performance. And Arbor® Smart DDoS Protection by NETSCOUT products help protect against attacks that threaten availability and advanced threats that infiltrate networks to steal critical business assets. To learn more about improving service, network, and application performance in physical or virtual data centers or in the cloud, and how NETSCOUT's security and performance solutions can help you move forward with confidence, visit or follow @NETSCOUT on Twitter, Facebook, or LinkedIn.



Area of focus

Communications Infrastructure
Network Security
Network Performance Management

Company size

1,001 - 5,000