Security Experts Tie Covert Wiper Tool to Iranian Railway Infrastructure Hacking Attempt. Security experts at SentinelOne have come across a previously unidentified data-scrubbing malware tool that was a portion of an uncontrollable malware attack against Irans railway infrastructure earlier this month. The wiper component, which hadnt been seen before, was developed over the preceding three years and appeared to have been intended for use again in a couple of campaigns. Wipers are regarded as the most dangerous of all malware forms, have been noted frequently in attacks in Middle Eastern states.”]