Colonial Pipeline was using vulnerable, outdated version of Microsoft Exchange May 12, 2021 by admin Tweet Colonial Pipeline may have been using an outdated version of Microsoft Exchange when it was targeted by a ransomware attack last week.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:Colonial Pipeline joins Brenntag in paying millions…Microsoft Exchange Servers under attack from Hive's…U.S. Department of Justice recovers $2.3 million in…President Joe Biden signs executive order to…Microsoft testing Canary pipeline with Windows 11…