https://locodigital.com.br/en/tags/critical-infrastructure/Recent content in Critical Infrastructure on LocodigitalHugoen-USSat, 05 Sep 2026 09:00:00 -0300https://locodigital.com.br/en/technology/colonial-pipeline-2021-the-vpn-password-that-shut-off-us-fuel/Sat, 05 Sep 2026 09:00:00 -0300https://locodigital.com.br/en/technology/colonial-pipeline-2021-the-vpn-password-that-shut-off-us-fuel/<p>On the morning of Friday 7 May 2021, Colonial Pipeline's operators got the news no IT team ever wants to deliver: ransomware on the network. Within hours, the company took a drastic decision — manually shutting down the largest fuel pipeline in the United States to contain the spread. The result was queues at petrol stations, panic buying, cancelled flights and a national emergency declaration. The cause: a single VPN password with no multi-factor authentication, found in a database stolen months earlier.</p>