H4 H4cker First
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Cybersecurity with impact — smart, fast and scalable

H4cker First helps organizations stay ahead of vulnerabilities.
We combine offensive security with pragmatic execution that protects — and accelerates — growth.

Explore our services Book an intro
MTTD
12 min
Average detection time
MTTR
45 min
Average resolution time
Uptime
99.98%
SOC platform
SLA
15 min
Incident intake

Services that make a difference

Modular engagement, fixed pricing, and an obsession with execution.

Red Team & Pentesting
Realistic attacks on applications, infrastructure and people. No bloated reports — just actionable improvements with risk ranking per finding.
Managed Detection & Response (SOC)
24/7 monitoring and incident response tailored to your environment. Our analysts work with automated playbooks so threats are handled within minutes.
vCISO & Compliance
Strategic guidance towards ISO 27001, NEN 7510 and GDPR. We translate policy into executable controls and audit success.
Cloud Security
Securing Azure, Microsoft 365, AWS and Google Cloud. From configuration reviews to identity hardening and log analysis.
Secure Engineering
Integrating security into the SDLC: threat modeling, code reviews and pipeline security to catch risks early.
Awareness & Phishing Simulations
Strengthen the human firewall with campaigns, trainings and realistic simulations that demonstrably change behavior.

Results you can build on

A small selection of recent engagements (anonymized).

Healthcare — NEN 7510 in 120 days
Audit success and 62% fewer high-risk findings.
FinTech — Cloud-native SOC on Azure
MTTD → 12 min, MTTR → 45 min.
Logistics — Tripled phishing resilience
Click-rate dropped from 29% to 9%.

Trust Center

Transparency on status, compliance and security.

Platform status
● All systems operational
* Link your actual status page here.
Changelog
  • 2025-10-01 – New detectors for OAuth abuse
  • 2025-09-12 – Expanded on-call window
Data locations
Primary: EU (NL/DE). Backups: EU (FR). No data outside the EU.

Newsfeed & insights

Updates, guides and threat intel.

New ISO 27001:2025 changes — what does this mean for your ISMS?
📅15 October 2025

Key Annex A updates and a pragmatic migration path.

Passkeys in practice: goodbye SMS codes
📅30 September 2025

FIDO2 passkeys make MFA more user-friendly and secure. Here’s how to roll them out well.

Detection use-cases every scale-up needs
📅21 August 2025

From OAuth abuse to exfiltration: ready-to-use queries and playbooks.

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