SCI TCH UR urjasec · InfoSec Write-ups Can Pure Modbus Break a Reactor? Oldsmar, Stuxnet & FrostyGoop, Tested You 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…
UR urjasec · InfoSec Write-ups Register Mapping: From Blind Scan to Process Understanding in GRFICSv3 Raw numbers, no labels and the question of what happens to the physical world if you change them
MDA TCH SOC AI GA Gary S Mullen Who Owns OT Risk? What Red Team Tabletops Actually Find The scenario is straightforward: a ransomware infection is spreading through your IT network and indicators suggest it may be approaching…
TCH SOC AI GA Gary S Mullen Who Owns What in OT Security? The CFC Accountability Map When a cyber incident hits an industrial facility, one question determines the outcome faster than any technical response: “Who has the…