ISA/IEC 62443 Standards - Part 5

Hey there,

Hope you are doing well. This is Part-5 of a multi-part series on ISA/IEC 62443 standards overview - and I will be expanding further on the following:

• ✍️ Links to my previous four parts of the ISA/IEC 62443 overview series.

• 📘 SP replacing CSMS IEC 62443-2-1:2024 - Security Program (SP)📜.

• ‼️ ISA-62443-2-1:2024 core 8 Security Program Elements (SPEs)📜.

• ↪️ Mapping of these SPEs with my The OT Security Dozen framework.

• ↪️ How CISO’s role have evolved in context of an OT Security Program.

• 📘 ISCI certification for Asset Owners, ACS Security Assurance (ACSSA)📜.

• ✍️ Few interesting reference resources.

Ready? let’s dig in.

Yours truly.

— Yousuf.

In case you missed, here’s are the previous 4 parts of the series:

Part 1, Part 2, Part 3 and Part 4, in which we’ve covered basics around:

• introduction & background about the standards series,

• key stakeholders, IACS roles & responsibilities,

• 4 groups of standards requirements,

• 3 phase IACS Cybersecurity Lifecycle,

• ISA Secure Certifications for Suppliers, Products, Asset owners & individuals,

• important terms, definitions & relationships,

• Standards series introduction (of each standard part),

• Standards elements, security levels, & types of standards requirements.

• Foundational Requirements (FRs) and its relationships with System Requirements (SRs) and Component Requirements (CRs)

• Zones, Sub-zones and conduits

• Recently updated ISA/IEC 62443-2-1:2024 standard intro for Asset Owners. Security Program.

But before we begin, do me a favour and make sure you hit the “Subscribe” button to let me know that you care or liked and keep me motivated to publish more. Thanks!

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