Parul Sharma · Luxembourg

Cybersecurity knowledge
that prepares you
for what's real

Exam preparation for CISSP, CISM and CC, GRC case studies grounded in actual incident patterns, and upskilling content for professionals across Luxembourg, Benelux, and Europe.

Cybersecurity exam preparation

Exam Preparation

All exam prep →

CISM Exam Prep

All CISM articles →

Upskilling Articles

All upskilling →
Policy Series · Article 2 · New
Information Security Policy — The Foundation of Everything Your Organisation Protects
How business objectives become a policy. Why the same derivation produces different policies for a hospital and a bank. What it must contain to be enforceable.
Read article →
Policy Series · Article 3 · New
Data Classification Policy — Knowing What You Have Before You Can Protect It
Classification levels, the mature vs starting organisation distinction, how classification differs by sector, and what belongs in the policy vs the asset register.
Read article →
Policy Series · Article 4 · New
Access Control Policy — Deciding Who Gets In and Who Does Not
Least privilege, segregation of duties, MFA, and accountability. How access control requirements differ across hospitals, banks, government facilities, and small businesses.
Read article →
Policy Series · Article 1
Understanding Cybersecurity Policies — Why They Exist and How to Build Them
Policy hierarchy, the difference between a policy and a standard, ownership, versioning, and the ten core domains every ISMS must cover.
Read article →
DORA Series · Article 1 of 3
What is DORA? The Digital Operational Resilience Act Explained
What DORA is, who it applies to, and why it is binding law — not a framework you can selectively adopt.
Read article →
DORA Series · Article 2 of 3
Why DORA Matters More Than Institutions Realise
Five pillars, binding law, board accountability, and why ISO 27001 is not a substitute for DORA compliance.
Read article →

GRC Case Studies

All case studies →
Parul Sharma — PS CyberSecurity
Parul Sharma
PS CyberSecurity · Luxembourg

Cybersecurity professional based in Luxembourg, publishing exam preparation content for CISSP, CISM and CC, GRC case studies grounded in real incident patterns, and upskilling articles for security professionals across the Benelux and European market.

Follow on LinkedIn