CISA and international authorities recommend physical or tiered network isolation for OT systems of critical infrastructure with regular full tests and manual operation in an isolated state.
CISA and partners recommend physical or tiered isolation plans for OT systems with regular full testing to protect against prolonged, stealthy intrusions.
JDY is not a classical DDoS botnet, but rather an industrialized reconnaissance infrastructure that abuses edge devices as distributed scanners to identify targets before exploitation.