South Korean agencies have issued a joint warning about state-sponsored hacking groups targeting citizens and businesses through phishing emails and compromised websites, known as watering hole attacks. These attacks can silently infect victims' devices, allowing hackers to gain unauthorized access to sensitive information. The warning emphasizes that even minimal interaction with a malicious email or website can be enough to compromise a system. The National Intelligence Service, National Police Agency, Korea Internet & Security Agency, and Financial Security Institute have all contributed to the advisory, highlighting the severity of the threat. The use of state-backed hacking groups shifts the threat model from traditional criminal activity to a geopolitical one, requiring a different approach to mitigation1. This warning matters to practitioners because it signifies a change in the threat landscape, where the motivations and tactics of attackers are driven by nation-state interests, rather than purely financial gain.