In today's interconnected digital ecosystem, a new and insidious front has opened in the cyber war, with threat intelligence highlighting a dramatic increase in supply chain attacks. This trend involves malicious actors compromising a single, trusted vendor or software component to gain access to a multitude of downstream targets, often with devastating and widespread consequences. Recent incidents, such as the targeting of IT services providers and open-source software repositories, underscore the vulnerability of even the most seemingly secure organizations. These attacks are particularly effective because they exploit the trust between businesses and their partners, allowing threat actors to bypass traditional perimeter defenses and infect systems from the inside. The motivation behind these assaults is diverse, ranging from financial gain through ransomware and data theft to state-sponsored espionage and sabotage. To combat this evolving threat, organizations must adopt a proactive and holistic approach that extends beyond their own firewalls, focusing on rigorous third-party risk management, continuous monitoring of vendor security posture, and the implementation of a zero-trust model that strictly limits and verifies access to critical assets, regardless of the source.