Independently verified · Third-party assessed

Credentials & proof of work

Professional certifications, competitive security rankings, and technical skill assessments — each independently verified and linkable for due diligence.

CISSP
ISC² gold standard
#602
HackTheBox global rank (07/2026)
19
Google Cloud Skills Boost completions
Full curriculum vitae

Complete work history, project details, publications, and speaking engagements.

View CV

Professional certifications

CISSP badge
ISC²
Certified Information Systems Security Professional

The most globally recognized certification in information security, validating expertise across eight domains including security architecture, risk management, cryptography, and software security. Held by about 170,000 professionals worldwide (ISC2, mid-2024).

Verify on Credly →

Competitive security rankings

HackTheBox · Bug bounty

Solo ranked #602 in the world (as of 07/2026)

HackTheBox is the industry benchmark for practical offensive security skill. Rankings are earned by solving active machines and challenges under real-world conditions — no study guides, no multiple choice. As of July 2026, a global solo rank of #602 sits in the top 0.1% of the platform’s active player base.

#602
Global solo rank
#41
Team rank
0.1%
Top percentile
View HTB profile →
HackTheBox profile showing global rank #602

Ranked #1134 of 60,000+ researchers on Bugcrowd

Top 2% of researchers, with Security Halls of Fame at Google, Oracle, VISA, eBay, Square/Block, and FanDuel.

#1134
Researcher rank
60,000+
Researchers
6
Halls of Fame
View Bugcrowd profile →

Technical skill assessments

HackerRank
Java (Basic)
HackerRank Java Basic certificate

Standardized assessment of Java fundamentals covering data structures, OOP, and language idioms.

Verify →
HackerRank
Python (Basic)
HackerRank Python Basic certificate

Standardized assessment of Python fundamentals covering data manipulation, functions, and standard library usage.

Verify →
LinkedIn
Skill assessments — 10+ passed (program retired)
LinkedIn skill assessment badges

Passed 10+ LinkedIn skill assessments across cloud, security, and software engineering before LinkedIn retired the program in 2023; the badges no longer appear on profiles.

View profile →

Market assessments

Hired.com

Hired.com technical assessments

Third-party market assessments evaluating technical depth and seniority against the broader engineering talent pool. (Hired has since been folded into LHH.)

Hired.com assessment results for John Menerick

All credentials at a glance

Five verifiable
Credential Issuer Category Verify
CISSP ISC² Professional certification Credly →
HackTheBox global rank #602 (07/2026) HackTheBox Competitive ranking HTB →
Java (Basic) HackerRank Skill assessment HackerRank →
Python (Basic) HackerRank Skill assessment HackerRank →
Amateur Extra Class license (W8MEJ) FCC Federal license FCC ULS →