External Network Penetration Testing
External penetration testing maps and exploits your internet-facing attack surface, including subdomains, open ports, exposed services, and web vulnerabilities, using the same methodology as professional bug bounty hunters.
What we test
Comprehensive coverage of the attack surface most relevant to this engagement.
Subdomain enumeration
Passive and active discovery of subdomains, virtual hosts, and shadow assets.
Port scanning
Full TCP and UDP scanning with service fingerprinting and version detection.
Vulnerability matching
CVE matching against discovered services, prioritized by exploitability.
Exploitation
Validated exploitation using Nuclei templates, default credentials, and anonymous access checks.
Web exposure
External web app and admin panel discovery, SSL/TLS issues, and misconfigured headers.
Cloud edge
Exposed S3 buckets, blob storage, public databases, and leaked API keys.
How it works
A clear, repeatable process from scope to remediation.
Scoping
Provide your domains and we expand to the full external attack surface.
Discovery
Subdomain enumeration, port scanning, service fingerprinting, and asset mapping.
Exploitation
Validated exploitation of discovered vulnerabilities, with proof of impact.
Reporting
Audit-ready report with remediation guidance and free retesting.
Who it's for
- Companies validating their internet-facing perimeter
- Teams preparing for SOC 2, PCI DSS, HIPAA, or CMMC audits
- Security teams who need continuous external attack surface monitoring
What's in the report
- Full asset inventory of discovered external infrastructure
- Validated vulnerabilities with exploit evidence
- Severity-ranked findings with CVSS scoring
- Remediation guidance per finding
- Compliance mapping for SOC 2, PCI DSS, HIPAA, CMMC
- Complimentary retesting of confirmed fixes
Frequently asked questions
Related services
Internal Network Pentesting
Active Directory, lateral movement, and privilege escalation testing.
Learn moreCloud Security Assessment
AWS, Azure, GCP misconfiguration and IAM testing.
Learn moreWeb App & API Pentesting
Deep testing of web apps and APIs found on your perimeter.
Learn moreFurther reading
Ready to get started?
Talk to a senior pentester. Scope and SOW in days, testing can start in 24 hours.
Most engagements can start within 24 hours