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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

5 cybersecurity trends to watch out for in 2024


This year will be about navigating tight budgets, business value, AI advancements, and emerging threats.

Don't buy more buckets, fix the leak: Changing the paradigm for DDOS


When it comes to ‘bad’ traffic related to things like DDoS attacks, we tend to wait until it arrives at its destination before ditching it—wasting capacity and energy along the way. Why is this and what can we do about it?

Wireline or mobile, it's all the same for threats


The level of threat from subscribers is escalating for ISPs, whether they operate wireline or mobile services.

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.

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