Daniel 'f0o' Preussker
Posts
Research
CV
Security
2026
Zero Trust in GKE: Envoy, OPA, and Workload Identity
May 6
#security
#kubernetes
#gke
Oubliette: Clarifying the Protection Bounds and UDP Reflection
May 2
#ddos
#ebpf
#xdp
Oubliette Progress: End-to-End Lab Results
May 1
#ddos
#ebpf
#xdp
Oubliette: A Linerate eBPF/XDP DDoS Scrubber
Apr 18
#ddos
#ebpf
#xdp
Exploiting TCP Handshake Quirks for IP Verification
Apr 18
#ddos
#tcp
#ebpf
2024
BGP Hijacking and other nuisances
Jun 27
#bgp
#networking
#security
2021
SafePal S1 Ramblings
Jun 14
#cryptocurrency
#hardware-wallet
#security