@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · 3d ago

Don't store sensitive ICS/OT information in the Corporate SharePoint.

https://cybersecuritynews.com/microsoft-sharepoint-vulnerability-exploited/

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Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · 3d ago

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0

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · 3d ago

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0

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · 4d ago

James Buniak (LinkedIn):

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Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · 4d ago

https://www.theguardian.com/technology/2026/mar/18/instagram-to-remove-end-to-end-encryption-for-private-messages-in-may

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Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · 5d ago

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Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · Mar 15, 2026

https://www.neowin.net/news/report-windows-11-kb5079473-fails-to-install-reboot-loops-freezes-system-breaks-graphics/

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Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · Mar 15, 2026

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Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · Mar 13, 2026

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Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · Mar 12, 2026

The last 5% of the project is the hardest part.

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Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · Mar 11, 2026

It's not a cyber attack.

It's a maintenance issue.

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Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · Mar 09, 2026

It's interesting when you realize that the person who was once your biggest opponent has become your biggest supporter.

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Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · Mar 08, 2026

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4

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Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · Mar 08, 2026

James Buniak (LinkedIn):

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Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · Mar 08, 2026

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Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · Mar 05, 2026

Vendors:

For the love of god.

Use full bridge rectifiers in your damn products!

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Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · Mar 04, 2026

I have identified another device type that could either use some more "brains" or a SIS. I will work with the specific Engineer to see if something exists.

There are benefits of doing field work.

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Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · Mar 04, 2026

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1

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Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

Secure ICS OT

@Secure_ICS_OT@infosec.exchange

Canadian ICS/OT Professional with both GICSP and ISA 62443 Expert. GIAC Advisory and ISA member. My posts are my own and are not a reflection of my employer. Twitter: @ Secure_ICS_OT Bluesky: @secure-ics-ot.bsky.social # ICS # OT # GICSP # IEC62443

infosec.exchange

@Secure_ICS_OT@infosec.exchange · Mar 04, 2026

https://federalnewsnetwork.com/cybersecurity/2026/03/leader-of-federal-cyber-defense-programs-resigns-from-cisa/

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Secure ICS OT

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