Topic: Information Security Archives

OT patch management under IEC 62443: verify authenticity, test for compatibility, set urgency from real exposure, and record…

The Purdue model explained for OT security: all 7 levels, why a level is not a zone, 7…

IEC 62443 certification explained: what is certified by role, how assessment requirements are selected, and what 4 things…

IEC 62443 maturity levels explained: ML 1 to ML 4, why clause 4.2 makes documentation the substance of…

Which IEC 62443 parts do you actually need? 2-1, 3-2, 3-3, 4-1, 4-2 and 2-4 sorted by role,…

IEC 62443 vs ISO 27001 compared: what Edition 2.0 changed in 2024, which requirements your ISMS already covers,…

IEC 62443 security levels explained: SL-T vs SL-C vs SL-A, how to assign a target level from risk,…

How to define IEC 62443 zones and conduits: the 8-step sequence, the 3 mandatory separations, and 8 questions…

What ISO 27001 certification really costs a startup in 2026, how long it takes, the documents you must…

What an ISO 27001 consultant does, what day rates look like in 2026, the impartiality rule that stops…

What ISO 27001 clause 9.3 requires: the seven management review inputs, how often to meet, what to minute,…

An ISO 27001 risk treatment plan is required by clause 6.1.3. Here are the fields it needs, the…

Tag: Topic: Information Security