S h u b h a m C h a s k a r

Continuous learning has always been a big part of my journey in security. These certifications reflect both breadth and depth — from web and mobile application security to red team operations, Active Directory exploitation, and cloud security.

Each badge is linked to its official verification page and comes with a short note on what it represents.

Red Teaming & Network Security

OSEP
OffSec Experienced Penetration Tester (OSEP)
OffSec

OffSec Experienced Penetration Testers (OSEPs) have the skills and expertise necessary to conduct penetration tests against hardened systems. They’ve proven their ability to identify more impactful intrusion opportunities and execute advanced, organized attacks in a controlled and focused manner.

OffSec Certified Professional+ (OSCP+) — OffSec
OffSec Certified Professional+ (OSCP+)
OffSec

Hands-on penetration testing exam under strict time limits. Proves capability in target discovery, scripting tooling, exploit adaptation, privilege escalation, web exploitation, and multi-network pivoting.

CREST Registered Penetration Tester (CRT) — CREST
CREST Registered Penetration Tester (CRT)
CREST

Assesses the ability to find and validate known weaknesses across networks, infrastructure, applications, and databases. Includes effective use of scanning tools and clear interpretation of results.

Certified Red Team Expert (CRTE) — Altered Security
Certified Red Team Expert (CRTE)
Altered Security

Proves expertise in attacking complex Windows/AD enterprises. Covers enumeration, code execution, lateral movement, bypassing controls, domain and forest escalation, persistence, and inter-forest trust abuse.

Certified Red Team Professional (CRTP) — Altered Security
Certified Red Team Professional (CRTP)
Altered Security

Core Active Directory offensive skill set: enumeration, local and domain escalation, persistence mechanisms, and cross-forest attack paths in an enterprise-style lab.

Certified Professional Penetration Tester (eCPPTv2) — INE
Certified Professional Penetration Tester (eCPPTv2)
INE

Intermediate, scenario-based assessment that mirrors a full engagement. Requires thorough exploitation and a professional report, demonstrating readiness to lead pentest projects.

Red Team Operator — Zero Point Security
Red Team Operator
Zero Point Security

End-to-end adversary simulation skills—from foothold to domain dominance and data exfiltration, delivered with strong OPSEC and defense evasion in realistic engagements.

Certified Enterprise Security Professional – AD CS (CESP-ADCS) — Altered Security
Certified Enterprise Security Professional – AD CS (CESP-ADCS)
Altered Security

Advanced focus on Active Directory Certificate Services. Includes enumeration, certificate theft, misconfiguration abuse for escalation, long-term persistence with forged certs, and on-prem to cloud pivots.

Certified Red Teamer (CRTeamer)
Certified Red Teamer (CRTeamer)
SecOps Group

The exam simulates a realistic enterprise scenario where the candidate begins with low-privileged domain user credentials and is required to perform both vertical and lateral movement to escalate access and compromise critical systems within the environment.

Certified Active Directory Pentesting eXpert(C-ADPenX)
Certified Active Directory Pentesting eXpert (C-ADPenX)
SecOps Group

This expert-level exam designed to test a candidate’s expertise in identifying and exploiting vulnerabilities within Microsoft Active Directory (AD) environments. Candidates must demonstrate a deep understanding of AD concepts (both on-prem and Azure AD), attacks, and defenses to pass this challenging exam.