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[ OK ] Started portfolio.service — secure-by-design
[ OK ] Loaded module: offensive-security v6.4 (ethical-hacker)
[ OK ] Loaded module: systems-engineering (rust/go/python)
[ OK ] Loaded module: infrastructure (k8s/terraform/postgres)
[ OK ] Established secure channel — TLS 1.3, X25519
[ OK ] Started display manager — terminal-ui.service
portfolio@dev:~$ _
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> uname -a
est. 2005 node Tilburg, NL status operational tag v0.8.1 packages rust go python php
> uname -a
est. 2005 node Tilburg, NL status operational tag v0.8.1 packages rust go python php
portfolio@dev:~$
Marius van Zundert
user marius.vanzundert@cerberos.devuptime 20+ years :: engineering + offensive securitykernel ethical-hacker v6.4 (secure-by-design)
Engineer & Ethical Hacker based in Tilburg, NL. Co-founder at Cerberos, Security Officer at Tilaa. Building resilient, secure-by-design systems across Rust, Go, Python, and Laravel — then red-teaming them to prove it.
> top -b -n1 | head -8
active processes
Running processes
PID
COMMAND
CPU%
MEM%
STATUS
1
web-platforms
42% 18%
running
2
offensive-security
35% 28%
running
3
systems-engineering
28% 22%
running
4
infrastructure
18% 35%
running
5
security-audit
12% 9%
idle
PID 1-5 of 42
load average: 0.24 0.31 0.18
web-platforms: 20yr · offensive-security: 7yr · systems-engineering: 7yr · infrastructure: 8yr · security-audit: 6yr
> tree ./usr/lib/tech-stack
10 packages
Systems & Tooling
rust Memory-safe systems, security tooling
go Concurrent operator tools, CLI
python Exploit dev, automation, security
ruby Metasploit modules, scripting
Web & Platforms
php Laravel, secure web platforms
vue.js Frontend, reactive interfaces
Infrastructure
postgres Primary database, migrations
k8s Container orchestration, clusters
docker Containerization, Distrobox
arch Hyprland, daily driver
> cat ./about.md
bio & contact
About\n\nPersonal engineering portfolio.
[SYS] Co-founded Cerberos — security consultancy & offensive security (2019) [SEC] Appointed Security Officer at Tilaa — ISO 27001, IAM, compliance (2025) [SEC] PHP/Laravel vulnerability research — code audits & disclosure [SYS] Building memory-safe utilities in Rust & high-concurrency Go tools [INFRA] Executed complex data migrations — MySQL/MariaDB to PostgreSQL [SEC] Delivered guest lectures — ethical hacking & security awareness [SYS] Open source contributor — Cockatrice (Qt 4, GPL licensed) [INFRA] Managing production infrastructure — K8s, Docker, Nginx, Terraform
[SYS] Co-founded Cerberos — security consultancy & offensive security (2019) [SEC] Appointed Security Officer at Tilaa — ISO 27001, IAM, compliance (2025) [SEC] PHP/Laravel vulnerability research — code audits & disclosure [SYS] Building memory-safe utilities in Rust & high-concurrency Go tools [INFRA] Executed complex data migrations — MySQL/MariaDB to PostgreSQL [SEC] Delivered guest lectures — ethical hacking & security awareness [SYS] Open source contributor — Cockatrice (Qt 4, GPL licensed) [INFRA] Managing production infrastructure — K8s, Docker, Nginx, Terraform
uptime: 06h 15m 42s
/
boot: 2026-06-08
/
turbo: enabled
/
js: 0
/
tag: v0.8.1
/
drop
/
security
/
all systems nominal