Trusted by elite professionals
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Leading organizations rely on our digital intelligence and privacy expertise. See who chooses uncompromising protection for their online presence.

92%
Your hidden admin panel still bypasses MFA – we’ll prove it in 72 hours.
100+
CORS misconfig lets us steal every trader’s JWT – we find it, you close it, permanently.
48h
One SSRF on a forgotten subdomain and we’re inside your deal room – want the PoC?
24/7
Active RCE chain already live on your investor portal – fixed price to kill it.

Elevate your digital defense with sophisticated intelligence.

Stay Ahead of Silent Digital Threats

Elite Investment Banking Monitoring and Privacy Defense for High-Profile businesses. Eliminate exposure, control your clients data, stop authentication forgery and remote code execution before attackers empty your business logic, money and business legacy.

Aggressive Asset Discovery & Live Host Validation

✅ Mass subdomain enumeration (Assetfinder, Subfinder, Amass, crt.sh, Chaos)
✅ Live host verification & prioritised target selection
✅ Full-port TCP scanning + precise service fingerprinting

Deep Vulnerability Hunting

✅ 2000+ RCE/SSRF/LFI/SQLi/XSS/SSTI templates
✅ Parameter fuzzing & prototype pollution testing
✅ CORS misconfigs + JWT/session token validation
✅ Hidden admin panels & authentication bypass checks

Exploitation & Post-Exploitation Paths

✅ Credential stuffing from breach databases
✅ Privilege escalation & system hardening gap analysis
✅ Lateral movement via legacy SMB/FTP/SMTP services
✅ Data exfiltration simulation & detection testing

Executive Exploitability Report

✅ Risk-ranked findings with PoC screenshots/video
✅ CVSS scoring + business/regulatory impact (MNPI, FCA/SEC)
✅ 72 h / 7 day / 30 day remediation roadmap

Privacy trusted by industry leaders

Onyx Offensive International provides elite breach prevention for high-stakes enterprise sectors, including Banking, Oil & Gas, Critical Infrastructure, and Healthcare. Wraith20, penetration 20 step and COBOL Catalyst is a dual-vector penetration testing, Onyx bridges the gap between modern cloud perimeters and heritage legacy systems like COBOL mainframes. By delivering cryptographic proof of structural hardening, Onyx empowers organizations to eliminate multi-million dollar data exposure liabilities and aggressively drive down cyber insurance overhead before renewal.

52K+
Identities protected
2M+
Data leaks eliminated
[headshot] image of customer (for a mosque)
Alex Kim
CEO, Financial Services

Onyx Offensive removed my data from dozens of sites. Their expertise gave me true peace of mind.

[headshot] image of customer (for a trucking company)
Taylor Reed
Public Figure

Discreet, thorough, and effective. I trust their process to keep my information secure.

[headshot] image of customer (for a plumbing service)
Jordan Ellis
Executive, Tech Industry

Their Dual-Vector Penetration Testing approach uncovered risks our heritage business never expected. Professional and confidential.

[headshot] image of customer (for a general contractor)
Morgan Shaw
Legal Counsel

Essential for anyone serious about privacy. The team’s attention to detail is unmatched.

Enterprise

Custom solutions for organizations.

Pricing
 20-phase external recon (€5k)-pure NDA-bound.
Or extended active pentest (€20k)-we go as deep as you let us, all pre-approved, no data leaves without consent.


We hack you legally, walk you through every hole, then seal it for good-no surprises, full NDA, zero data leaves unless you say.
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Designed exclusively for high-stakes enterprises within Banking, Finance, Oil & Gas, and Healthcare, Onyx Offensive specializes in proactive cybersecurity breach prevention that transforms risk management into a measurable financial return.




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Book a Consultation Now
20 Phase External Recon 5K
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Extended Active Pentest 20K
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COBOL Starter One Time Assessment

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Continuous Exposure Threat Management (CTEM)