The Raydium AMM V3 exploit has drained $1.34 million from outdated DeFi contracts, highlighting vulnerabilities in legacy systems that were overlooked. This incident underscores the importance of lifecycle management in DeFi infrastructure, as forgotten contracts can still pose significant risks. The exploit raises concerns about the security of similar legacy contracts across the industry, potentially leading to further attacks. Immediate implications include a reassessment of security protocols for older DeFi projects.