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Service · SVC-01

Network Penetration Testing.

Identify exploitable vulnerabilities across internal and external network environments - before attackers do. Manual, methodical, and mapped to the standards your auditors care about.

2–4 weeks Fixed quote Manual-first methodology
Request assessment View methodology
100%
Manual verification
232
Avg. checks / engagement
14 days
Typical delivery
Methodology

Three approaches. One uncompromising standard.

Choose the level of access we begin with - we'll match the engagement to your threat model and constraints.

External attacker simulation

Black Box

We approach your environment with the same blind starting position as an external adversary - no credentials, no architecture diagrams, only what is publicly observable.

  • Open-source reconnaissance & perimeter discovery
  • Public exposure analysis & service fingerprinting
  • Authentication-layer attacks & password spraying
  • Exploitation of internet-facing services
Insider / compromised credential

Gray Box

Equivalent to a low-privilege insider or attacker who has obtained a foothold. We focus on lateral movement, privilege escalation and trust-boundary failures.

  • Authenticated network & application probing
  • Privilege escalation & lateral movement
  • Segmentation & trust-zone validation
  • Credential reuse & vault hygiene
Architecture-aware review

White Box

Full architectural transparency - diagrams, asset inventories, IAM policies and configurations. Deepest coverage; best signal-to-noise on remediation work.

  • Architecture & configuration review
  • Identity & access management deep-dive
  • Internal segmentation & firewall ruleset audit
  • Source-supported exploit chain validation
The process

Six clearly-defined phases.

From scoping call to remediated environment - each step has a deliverable, a check-in and a documented owner.

01
Define Scope

Goals, asset inventory, RoE and success criteria.

02
Information Gathering

Recon, fingerprinting and threat modelling.

03
Identification

Vulnerability discovery and validation.

04
Attack & Penetration

Manual exploitation & lateral movement.

05
Reporting

Executive & technical deliverables.

06
Remediation Support

Fix verification & guidance.

Why it matters

The business case in four words.

Cost saving

Catch issues now at a fraction of the post-breach cost.

Compliance alignment

Evidence for ISO 27001, SOC 2, PCI-DSS and HIPAA.

Reduced outage risk

Findings ranked by exploitability and business impact.

Risk management

A defensible audit trail of what was tested and when.

Engagement variants

Four ways to scope a network test.

External

External Penetration Testing

Simulate an internet-based attacker against your public-facing assets - perimeter services, VPN, edge applications and exposed APIs.

  • Perimeter recon & mapping
  • Edge service exploitation
  • Authentication-layer testing
Internal

Internal Penetration Testing

Assume the attacker is already inside - assess what happens next. Lateral movement, privilege escalation and segmentation failures.

  • AD & identity attacks
  • Lateral movement mapping
  • Segmentation validation
Compliance

Network Compliance Review

Verify your network controls against the standards your auditors care about - ISO, PCI, HIPAA, SOC 2 and CIS.

  • Control coverage mapping
  • Evidence collection
  • Audit-ready findings register
Hardening

Network Security Hardening

A guided remediation programme - configuration baselines, ruleset rationalisation, and lasting controls on top of pen-test findings.

  • CIS baseline alignment
  • Firewall ruleset rationalisation
  • Post-remediation review
What you receive

Deliverables.

Executive summary

Board-ready overview - risk posture, business impact, recommended priorities.

Technical report

Every finding with reproduction steps, evidence, CVSS & business-impact scores.

Remediation tracker

Jira / Linear-ready issue list with severity, owner and acceptance criteria.

Frequently asked

About network penetration testing.

What's the difference between internal and external network penetration testing?
External testing simulates an attacker on the public internet - they have no credentials and only see your perimeter. Internal testing assumes the attacker has already gained a foothold (phished employee, malicious insider, compromised vendor) and tests what they can do from there. Most regulated organisations need both.
Can network penetration testing cause disruptions?
Rules of engagement set the limits up front. Destructive techniques and resource exhaustion are excluded unless explicitly scoped. We coordinate testing windows with your operations team and maintain a kill-switch protocol - testing pauses immediately on request.
Is network testing just a vulnerability assessment?
No. A vulnerability assessment enumerates what could be wrong. A penetration test verifies which of those are actually exploitable - and chains them together to demonstrate real-world impact. We always include both.
How frequently should network penetration testing be carried out?
At least annually, and after any significant architecture change - new perimeter service, M&A integration, cloud migration. PCI-DSS, SOC 2 and ISO 27001 all expect at least one test per year as evidence.
How long does network penetration testing usually take?
A typical mid-market engagement runs 2–4 weeks end-to-end: 1–3 weeks of testing, then reporting and an executive readout. Larger or multi-region environments take longer; we'll size that in the scoping call.
What should we prepare for a network penetration test?
Three things: an up-to-date asset inventory, a named point of contact for each environment, and a signed rules-of-engagement document. We'll walk you through all of these during scoping.
What are the outcomes of a network penetration test?
An executive summary, a technical report with reproduction steps, a tracker-ready issue list, and a debrief with your engineering team to walk through reproductions and recommended fixes.
Network · SVC-01

Ready to test your network?

A 30-minute scoping call is enough to define your engagement. We'll come back within two business days with a fixed quote.