One Man Possibly Prevents Major Cyberattack The internet is a complex system relying on open-source software maintained by volunteers. Recently, a software engineer named Andres Freund discovered a backdoor in a piece of Linux software, potentially preventing a significant cyberattack. His findings have been praised by tech leaders and cybersecurity experts. The attacker's identity remains unknown, but the sophistication of the attack suggests a nation with strong hacking capabilities. Mr. Freund is now assisting in the investigation while continuing his work on PostgreSQL.