Hadi Rayan Al-Sandid

Software Engineer

Security Business Group (SBG)

Hadi Rayan Al-Sandid is a software engineer in the Cisco Security Business Group (SBG). His current contributions center around the development and design of SASE solutions, as well as the open-source VPP project (Vector Packet Processor), which is a very fast and scalable user-space packet processing software running in Linux. In his free time, Hadi likes to build things (software, DIY hardware) and hike around new regions in Europe.

Articles

Jerome Tollet

Hadi Rayan Al-Sandid

Improving Cloud-VPN Resiliency to DoS Attacks With IKE Throttling

Explore a network-layer throttling mechanism to improve the resiliency of Cloud VPNs IKE servers, which are typically subject to IKE flood attacks.

August 7, 2025 • 3 min read

security