GuardRadiusCYBER SECURITY
HOW IT WORKS

Scope, collect, correlate, report.

Each stage finishes before the next begins, and every report carries the full check log — so the method is auditable rather than assumed.

01 SCOPE

Domains, ranges or systems confirmed with you. Written authorisation on file before any traffic.

02 COLLECT

Fixed checks execute once. Read-only throughout. Nothing installed on your machines.

03 CORRELATE

Results cross-referenced against known issues and your context to rank real exposure.

04 REPORT

Plain-English findings, a fix-first list, evidence, and the complete log of checks run.

What we check

Coverage grows with the tier. Everything below is read-only collection.

EXTERNAL
Public surface
  • DNS records and subdomain exposure
  • Dangling infrastructure and subdomain takeover risk
  • DNS security posture: DNSSEC status, zone transfer misconfiguration
  • Domain and WHOIS hygiene (expiry, registrar lock, privacy)
  • TLS certificates and expiry
  • TLS/SSL configuration quality (weak ciphers, outdated protocols)
  • Certificate Transparency log review for rogue certificates
  • Open ports and reachable services (optional full 1–65,535 port range)
  • IPv6 service exposure
  • WAF/CDN detection and origin exposure
  • CORS configuration
  • HTTP methods exposed (PUT/DELETE/TRACE)
  • Directory listing
  • Default and verbose error pages
  • Remote access and VPN endpoints
  • Exposed cloud storage tied to your domain (S3, Azure, GCS)
  • Exposed admin/dev panels discoverable by banner
  • Email authentication: SPF, DKIM, DMARC
  • Mail server security posture (STARTTLS, open-relay check)
  • IP and mail server reputation/blacklist status
  • Breached-credential exposure for your domain
  • HTTP security headers (HSTS, CSP, X-Frame-Options)
  • Cookie security attributes (Secure, HttpOnly, SameSite)
  • Exposed source-control artefacts (.git, .env, backups) on web servers
  • API documentation and endpoint exposure (Swagger, GraphQL introspection)
  • CMS/framework fingerprinting against known CVEs
  • End-of-life software and appliances
  • Public secret and credential exposure (redacted in your report)
  • Website compromise and malicious content indicators
  • Known exploited vulnerabilities — cross-referenced against CISA KEV

All checks above are read-only and non-destructive — no exploitation, password guessing or denial of service, ever. Plus further public-surface checks as new techniques and threats emerge — the list above isn't the ceiling.

INTERNAL
Endpoints and identity
  • Patch level and unsupported operating systems
  • Local administrator sprawl
  • Password and lockout policy
  • SMB and RDP exposure on the LAN
  • Endpoint protection status
  • Backup presence and last successful run
  • Full-disk encryption status (BitLocker/FileVault)
  • Local firewall configuration and status
  • Software inventory: outdated, unlicensed or end-of-life applications
  • Stale or dormant local accounts, enabled guest accounts
  • Network share permission audit (overly open shares)
  • Legacy or vulnerable service exposure (e.g. print spooler)
  • EDR/antivirus coverage gaps across machines
  • Wi-Fi security posture (encryption type, shared credentials)
  • Network segmentation sanity check (flat network detection)

Plus further endpoint and identity checks as new techniques and threats emerge — the list above isn't the ceiling.

FULL ENTERPRISE
Estate systems
  • Active Directory: privilege, delegation, stale objects
  • Active Directory: Kerberoasting exposure (weak-password SPNs, detection only)
  • Active Directory: unconstrained delegation and privileged group membership
  • Microsoft 365/Entra ID: MFA enforcement coverage, legacy auth protocols
  • Exchange: mail flow, permissions, transport rules
  • Exchange/M365: mailbox auto-forwarding rules and external sharing settings
  • SQL Server: authentication, roles, encryption
  • SQL Server: exposed instances and excess sysadmin membership
  • VMware: host and cluster configuration
  • Firewalls: rule base, any-any rules, logging
  • Firewalls: unused/shadowed rule cleanup and VPN configuration
  • Backup infrastructure: encryption, immutability, restore-testing evidence
  • Cloud infrastructure (AWS/Azure/GCP): IAM policy and storage permissions, where in scope
  • Alignment against Cyber Essentials controls

Plus further estate-system checks as new techniques and threats emerge — the list above isn't the ceiling.

Templates, not improvisation

At Full Enterprise tier each system type has a collection template: a declared list of queries, the read-only permissions they need, and the data they return. You review and approve the template before the run, and the report states which template version was used.

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