Gary S Mullen·Jun 18How the Red Team Walks In Through the Front Door of OTIn December 2025, attackers compromised renewable energy plants, a combined heat and power facility, and a manufacturing company in Poland…
Gary S Mullen·Jun 11Why Legacy Is Every Red Team’s Favorite OT FindingIn an engagement documented in CISA Advisory AA24–326A (published November 2024), a CISA Red Team persisted in a critical infrastructure…
Gary S Mullen·May 21The Leadership Layer, Part 5: What You Fund Is What You SeeThis is the fifth article in The Leadership Layer series, exploring how the OT vCISO builds cyber-resilient industrial organizations…
InInfoSec Write-upsbyurjasec·May 21Can Pure Modbus Break a Reactor? Oldsmar, Stuxnet & FrostyGoop, TestedYou can speak Modbus to a chemical reactor as freely as its own engineer. Breaking it, though, isn’t a yes or a no — it’s a question of…
InInfoSec Write-upsbyurjasec·Apr 24Register Mapping: From Blind Scan to Process Understanding in GRFICSv3Raw numbers, no labels and the question of what happens to the physical world if you change them
