Iranian hackers have been compromising critical infrastructure by manipulating Programmable Logic Controllers (PLCs) and Supervisory Control and Data Acquisition (SCADA) systems, according to a warning from the US government. This threat has significant implications for industrial control systems (ICS) security, as disrupted PLCs and SCADA systems can cause widespread damage to critical infrastructure. The warning highlights the evolving threat landscape and the need for increased vigilance against nation-state attackers. Experts emphasize that understanding the tactics, techniques, and procedures (TTPs) used by Iranian hackers is crucial to developing effective defenses1. The potential consequences of a successful attack on critical infrastructure are severe, and security professionals must assess the relevance of this threat to their own environments. This development underscores the importance of proactive security measures to prevent and respond to ICS attacks, so practitioners must prioritize the security of their industrial control systems to mitigate the risk of disruption.