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The IT Interview Question That Explains Why We Need More ISACs, Not Fewer

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Why specialized Information Sharing and Analysis Centers (ISACs) deliver superior threat intelligence and cybersecurity protection - In this comprehensive analysis, cybersecurity expert Ian Andriechack argues that the threat intelligence community needs more specialized ISACs, not fewer, because broad umbrella groups cannot deliver the sector-specific expertise required for effective information sharing and cyber defense.

While some cybersecurity leaders believe existing ISACs can serve all industries through a generalized approach to threat intelligence sharing, Andriechack explains that each sector faces unique operational pressures, regulatory requirements, and risk profiles - even when dealing with the same type of cyber attack or threat actor. Generic threat intelligence and best practices fail to address the real-world challenges that make each industry's cybersecurity landscape unique.

The article examines critical sectors where specialized ISAC expertise is essential: corrections facilities facing insider threats, cannabis businesses navigating banking restrictions, legal services protecting attorney-client privilege, municipal recreation managing public safety systems, hospitality securing payment systems, and agricultural technology protecting food supply chains. Each sector requires tailored threat intelligence that understands their specific operational context.

Andriechack highlights proven successes from OTICS-ISAC to demonstrate how focused, sector-specific threat intelligence improves cybersecurity protection while still contributing valuable insights to national information sharing initiatives. The analysis shows that specialized ISACs enhance overall cybersecurity resilience through deeper expertise and stronger community trust.

Key takeaway: The future of effective threat intelligence sharing depends on deeper specialization, stronger cross-sector ISAC collaboration, and building information sharing communities that understand the distinct operational needs, regulatory challenges, and threat landscapes of the industries they serve. AI threat information sharing, operational technology security, and critical infrastructure protection all benefit from specialized ISAC expertise.

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Welcome to the OTICS-ISAC Blog

Published: November 16, 2025

Welcome to the official OTICS-ISAC blog. This space is dedicated to sharing timely information, analysis, and best practices related to operational technology and industrial control systems security.

Our blog will feature:

  • Threat Analysis: Deep dives into emerging threats targeting OT/ICS environments
  • Incident Reviews: Analysis of significant security incidents affecting critical infrastructure
  • Best Practices: Practical guidance on securing operational technology
  • Industry Updates: News and developments from the OT security community
  • Member Spotlights: Success stories and lessons learned from our community

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