Why Choose Aesparrow
Senior practitioner-led security that your customers trust and your board can measure.
Practitioner-led. Business-focused.
Security you can prove — not a PDF you file away
Aesparrow is a cybersecurity consulting firm built around a simple idea: an assessment is only valuable if it removes real risk. We combine attacker-minded manual testing with clear, business-focused reporting, so your teams know exactly what to fix first — and can prove to customers, auditors and your board that it is done. No junior testers, no scanner dumps, no jargon.
What sets us apart
Senior practitioners, never juniors
Your engagement is delivered by experienced practitioners holding industry-recognized certifications such as OSCP, CEH and ISO/IEC 27001 Lead Auditor — not handed to trainees. You get depth that automated scanners and inexperienced testers simply miss.
Business-risk reporting
Every finding is rated by real business impact and CVSS, with an executive summary your board understands and reproducible detail your engineers can fix. No noise, no raw scanner dumps.
Free remediation re-testing
Once you have applied fixes, we re-test them and issue an updated report at no extra cost — so you can prove to customers and auditors that the risk is genuinely closed.
Audit-ready evidence
Reports map cleanly to ISO 27001, SOC 2, PCI DSS and OWASP, so the same assessment satisfies your security questionnaires, certification auditors and customers.
Clear scope & timelines
We scope every engagement up front with fixed timelines and a single point of contact — no surprises, no scope creep, no disruption to your live systems.
Manual-first methodology
We think like an attacker — chaining small weaknesses into real impact and probing the business logic and access-control flaws that tools cannot find.
150+
Global Clients
200+
Projects Delivered
10+
Compliance Frameworks Covered
24
Free Security Guides
How we work
A structured, repeatable engagement — refined across hundreds of assessments.
Scope & align
We agree targets, rules of engagement, timelines and success criteria — mapped to your compliance goals.
Assess & exploit
Senior testers combine tuned tooling with deep manual testing to find and safely prove real-world impact.
Report & prioritise
You receive an executive summary plus reproducible, CVSS-rated findings with specific remediation guidance.
Fix & re-test
We support your team through remediation, then re-test and re-issue the report — proof the risk is closed.
Every engagement maps to the standards your auditors and customers expect
- OWASP Top 10
- OWASP API Top 10
- OWASP LLM Top 10
- OWASP ASVS
- NIST SP 800-115
- NIST AI RMF
- CIS Benchmarks
- MITRE ATT&CK
- ISO 27001
- ISO 27701
- ISO 42001
- SOC 2
- PCI DSS
- HIPAA
- GDPR
- CMMC
- NIST CSF
- Cyber Essentials
- Essential Eight
- PTES
- CVSS
Our promise to you
- Fixed scope and timeline agreed before any work begins
- No downtime — higher-risk tests scheduled or run against staging
- Direct access to the tester who did the work, not an account manager
- Free re-test of remediated findings
- Confidential handling of all data under a clear retention policy
Questions, answered
What makes Aesparrow different from a scanner or a cheap pentest?
Will your report satisfy our auditors and customers?
Do you re-test after we fix the issues?
How quickly can you start?
See what a real assessment reveals
Tell us what you need tested and get a fixed-scope quote, or talk it through with a senior Aesparrow practitioner.