Colonial Pipeline was using vulnerable, outdated version of Microsoft Exchange May 12, 2021 by admin Tweet Colonial Pipeline may have been using an outdated version of Microsoft Exchange when it was targeted by a ransomware attack last week. Pipeline operators were warned about potential attacks in 2020 Read more… Neowin Related Posts:Microsoft testing Canary pipeline with Windows 11…Microsoft releases servicing pipeline build…Windows 11 build 25174.1010 (KB5017214) released to…Latest Windows 11 Dev Channel Build 25236.1010…Latest Windows 11 Dev Channel Build 25252.1010…