Penetration Testing Firms: 10 Red Flags Every Business Should Know

After 25 years in cybersecurity, Jason Z. exposes common deceptive practices in the penetration testing industry. Many vendors misrepresent certifications, deliver automated scans as “manual pentests,” and even fabricate infrastructure and testimonials. His research, based on real reports and legal documents, highlights critical warning signs for businesses.

🔗 Read the full article: https://lnkd.in/gFdty_MD

You Should Know: How to Verify a Legitimate Penetration Test

1. Check Certifications

• Command: Use `whois` or LinkedIn to verify employee credentials.

  whois example.com 
  

• Tool: Offensive Security’s Verify Portal for OSCP/OSCE certifications.

2. Detect Automated Scans

• Signs: Reports with generic findings (e.g., “Missing HTTP Security Headers”).
• Tool: Run your own scan with:

  nmap -sV --script vulners <target_IP> 
  

Compare results with the vendor’s report.

3. Verify Infrastructure Claims

• Check ASN Ownership:

  curl -s "https://api.hackertarget.com/aslookup/?q=ASN_NUMBER" 
  

• Tool: Shodan to validate claimed assets.

4. Manual Exploitation Proof

• Ask for:
• Custom payloads used.
• Video recordings of manual exploitation.
• Test: Request a live demo of a critical finding.

5. Legal Threats as a Red Flag

• Search Court Records:

  grep -r "CompanyName" /path/to/public/legal/databases 
  

6. Validate Testimonials

• OSINT Tools:

  theharvester -d example.com -b google 
  

• Check Wayback Machine: https://archive.org/web/

7. Demand Full Methodology

• Legitimate firms provide:
• Scope definitions.
• Exploit chains.
• Custom scripts used (e.g., Python, Bash).

8. Test Report Authenticity

• Check Metadata:

  exiftool pentest_report.pdf 
  

9. Avoid “One-Size-Fits-All” Pricing

• Red Flag: Flat-rate pricing for all engagements.
• Fair Pricing: Based on scope (e.g., per IP, app, or hour).

10. Cross-Check Public Records

• Search SEC Filings (U.S.):

  curl -s "https://www.sec.gov/cgi-bin/browse-edgar?company=CompanyName" 
  

What Undercode Say

The pentesting industry suffers from opacity, allowing unethical vendors to thrive. Businesses must:
– Demand proof of manual testing.
– Verify claims with OSINT tools.
– Avoid vendors threatening legal action over scrutiny.

Expected Output:

A well-vetted penetration testing report should include:

• Custom exploit code.
• Verified CVE references.
• Raw scan data (e.g., Burp logs, Nmap outputs).
• Remediation steps with PoC (Proof of Concept).

Prediction

As awareness grows, AI-driven pentesting verification tools will emerge, forcing unethical vendors to adapt or exit the market.

🔗 Relevant Course: Offensive Security Certified Professional (OSCP)

IT/Security Reporter URL:

Reported By: Jasonzaffuto Penetration – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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