Italian hackers are exploiting a vulnerability in TP-Link Archer routers to spread a new botnet called Ballista.The botnet is targeting manufacturing, medical, healthcare, services, and technology organizations worldwide.The attackers are operating from Italy and have already compromised over 6,000 vulnerable devices.To defend against Ballista, it is recommended to update the TP-Link Archer routers with firmware version 1.1.4 Build 20230219.