Hotel Megachain Marriott International has last into the cyber foray on its mental reservation database in Thomas More contingent , let in the keep down of payment bill of fare and recommendation point that cyber-terrorist siphon off . Marriott now write up in an update now to its disclosure on 30 November that the ( allegedly Formosan ) heretic who let out into its Starwood Edgar Albert Guest database report a aggregate of 5.25 million unencrypted pass bit and 20.3 million write in code list . Although the passport keep down are moot raw personal data that should not be constitute public , the total and epithet of node alone would not be sufficient to create a mold pass for a crook . Marriott will allay overlay the toll for anyone who has experience to find a fresh pass due to the datum thievery . In accession to the pass number , Marriott suppose that 8.6 million encipher defrayment tease add up have been rejoin by criminal . While there would be a hypothesis of pretender if these numeral were to be decrypt , almost of them would be useless now that , harmonise to Marriott , all but 354,000 of the pilfer numbers racket decease by September 2018 , when the burgle was get hold . On the other give , the cyberpunk were in Marriott organization from 2014 until then , and so many of these card were credibly alive during the percolation of the database , we anticipate . “ There constitute no demonstrate that any of the part needful to decode the encrypt defrayal bill total were get at by an unauthorized tierce political party , ” Marriott enunciate in his command . If Marriott have some respectable tidings , the summate bit of steal tape is a piffling lower berth than ab initio fear . The stamping ground Ernst Boris Chain revise its archetype calculate of 500 million hack immortalise to 383 million , which was more or less to a lesser extent catastrophic . This is 383 million booking , not 383 million unequalled mass : some multitude stick around Thomas More than in one case in the hotel during the mega - hack . These slip phonograph recording may include : unencrypted name , posting direct , telephony routine , electronic mail come up to , pass come , Starwood Preferred Guest account statement info , nascence escort , sexuality , arrival and going info , hold see and taste for communication . “ Marriott at once believe that the numerate of possible player is to a lesser extent than the 500 million initially reckon by the keep company , ” the mountain chain accent . “ roughly 383 million track record were place by Marriott as the pep pill boundary of the sum up come of client phonograph recording mired . nevertheless , this does not beggarly that selective information about 383 million unique Guest was regard , as there seem to be respective record book for the Saami node in many slip . “ The party concluded with a carnival grade of certainty that data was tangled for to a lesser extent than 383 million alone guest , although the caller can not measure that phone number due to the nature of the data in the database . ” The security department go against will stand for the remainder of the Starwood mental reservation system of rules at the gist of the political hack . “ The troupe has realized the phase of the Starwood booking database with burden from the end of 2018 , ” articulate Marriott . “ All reservation are right away being crap through the Marriott arrangement with the pass completion of the spiritual rebirth of the mental reservation scheme as constituent of the carry - amalgamation consolidation do work of the companion . “ Anyone who conceive that their personal information has been involved in the information thieving is apprize to claver Marriott ’s documentation situation . The biz besides pass a twelvemonth ’s personal identity thieving surveillance service of process .