Bio

A well-known Dutch proverb is ''Meten is weten'' - Measuring is knowing. IT and tech evolve and we have come to the point that simply measuring does not exactly provide knowledge. This is my game field: Observability. Before I continue a long story: I'm always open to talk with people about tech or culture. The same goes for any challenge you are facing. I love challenges. Do reach out. What I love? Cloud-native, in a DevOps manner. Bonus points for open source. I like to work with a lot of data, high throughput, high availability, and observe it all. Doing this in a modern way, with cloud-native technologies. Kubernetes is a must-have. I care about finding value in all of this. Enabling people to observe what they require, but also make meaningful SLA, SLO, and SLI's. I will challenge you on the meaning of ''we have 99.9% uptime''. Yet technology is cool, a majority of my work is actually in change. I love to communicate with people and teams to create a positive impact. I strive when there is this intrinsic motivation to become better, to do better, and provide value for (end) customers. Remember those challenges? I do like hacking. I'm sometimes active on HackerOne but I prefer to help those who are less known to security. Obviously I follow any responsible disclosure. A selection of 'my previous work': - Slack : Persistent Man in the Middle 'fake' login page (you can actually read me write-up here: https://sysrant.com/500-bounty-man-in-the-middle-on-slack/ ) - Razer US: Admin login page user retrieval & bruteforce - i3d.net: Checkout cart poisioning - Magento2: Admin backend XSS injection - Persgroep (ad.nl): CRM exploitation - rijksoverheid.nl: Non-protected analytics environment; bruteforceable, system analyse, data access and open for known CVE's. - plus.nl XSS on the Citrix environment To complete my intro, I'll point out some buzzwords of things I'm skilled at. Perhaps someday you'll hit one of my buzzwords, and think about me (professionally I hope). Kubernetes | Observability | Security | Prometheus | Thanos | Docker | Loki | Grafana | Tempo | Jaeger | Selenium | Kafka | Elasticsearch | Telegraf | Ansible | Memcached | GoLang | Grafana | Open Telemetry | Open Metrics | RHEL | OpenStack | NGINX | Terraform | CNCF | ArgoCD | Harbor | Azure | Google Cloud | AWS | EKS | AKS | GKE | CKAD | CKA | LMAO | MySQL | MariaDB | PostgreSQL | MSSQL | Redis | Memcached | Elasticsearch | AWS RDS | AWS Elasticache | Aurora | Cassandra | Rook | Ceph | HackerOne | Shodan | OWASP | Red teaming | Kali | Bash | Python | Scrum | Agile | DevOps