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2019 baltimore ransomware attack wikipedia jump to content main menu main menu move to sidebar hide navigation main page contents current events random article about wikipedia contact us contribute help learn to edit community portal recent changes upload file special pages search search appearance donate create account log in personal tools donate create account log in contents move to sidebar hide top 1 background 2 attack 3 aftermath 4 references 5 external links toggle the table of contents 2019 baltimore ransomware attack 2 languages deutsch español edit links article talk english read edit view history tools tools move to sidebar hide actions read edit view history general what links here related changes upload file permanent link page information cite this page get shortened url switch to legacy parser print export download as pdf printable version in other projects wikidata item appearance move to sidebar hide from wikipedia the free encyclopedia massive ransomware attack against the government of the city of baltimore this article may be excessively based on old or outdated news reports please update this article with better sources november 2025 learn how and when to remove this message this article needs to be updated the reason given is missing impact subsequent legal developements please help update this article to reflect recent events or newly available information november 2025 2019 baltimore ransomware attack date 7 may 2019 time 8 54 a m 1 edt location baltimore maryland united states type cyberattack theme ransomware encrypting files with 76 280 demand 1 cause robbinhood ransomware outcome multiple municipal services down for months including databases and applications city spends 18 million in recovering services during the baltimore ransomware attack of may 2019 the american city of baltimore maryland had its servers largely compromised by a variant of ransomware called robbinhood baltimore became the second u s city to fall victim to this new variant of ransomware after greenville north carolina and was the second major us city with a population of over 500 000 people to be hacked by ransomware in two years after atlanta was attacked the previous year background edit baltimore had been targeted by ransomware once prior to the may 2019 attack in 2018 though that attack was smaller in comparison and took down the city s emergency dispatch system for a short duration 2 on may 2 just days before the first infection mayor catherine pugh resigned amidst a corruption scandal and was ultimately convicted and sentenced to 3 years in prison 3 she was replaced by jack young attack edit on may 7 2019 most of baltimore s government computer systems were infected with the aggressive ransomware variant robbinhood all servers with the exception of essential services were taken offline in a ransom note hackers demanded 13 bitcoin roughly 76 280 in exchange for keys to restore access the note stated that if the demands were not met within four days the price would increase and within ten days the city would permanently lose all of the data 4 5 6 7 8 9 10 on may 25 security expert nicole perlroth speculated that the stolen nsa exploit eternalblue was used to infiltrate the city s network vulnerabilities and initiate the attack 11 though in a memoir published in february 2021 perlroth recanted her original statement after concluding that the exploit was not in fact responsible 12 baltimore was susceptible to such an attack due to its it practices which included decentralized control of its technology budget and a failure to allocate money its information security manager wanted to fund cyberattack insurance 13 the attack has been compared to a ransomware attack on atlanta the previous year and was the second major use of the robbinhood ransomware on an american city in 2019 as greenville north carolina was also affected in april 14 aftermath edit the attack had a negative impact on the real estate market as property transfers could not be completed digitally due to the system being down 15 16 as the city s card payment system and debt checking application were rendered inaccessible in addition city employees were unable to use their email system and resorted to creating gmail accounts as workaround google automatically blocked their accounts due to the large number of accounts created in that timespan though the company later restored the gmail accounts 17 the recovery initially estimated to take several more weeks on may 20 13 ultimately lasted until september 18 frank johnson baltimore s it director was put on unpaid leave following the ransomware attack since becoming the city s it director during the pugh administration johnson had been criticized for not having a written disaster recovery plan and for his handling of the 2019 attack which was estimated to cost the city 18 million 18 he was replaced by deputy director todd carter who later became the permanent it director in february 2020 after johnson left the role in october 19 references edit 1 2 the curious case of the baltimore ransomware attack what you need to know heimdal security blog september 8 2020 retrieved april 17 2022 baltimore s 911 emergency system hit by cyberattack nbc news march 28 2018 catherine pugh baltimore mayor resigns over book scandal bbc com may 2 2021 a ransomware attack is holding baltimore s networks hostage engadget may 8 2019 song victoria may 8 2019 baltimore s government held hostage by ransomware attack gizmodo gallagher sean may 8 2019 robbinhood ransomware takes down baltimore city government networks ars technica chokshi niraj may 22 2019 hackers are holding baltimore hostage how they struck and what s next the new york times issn 0362 4331 retrieved may 29 2019 liptak andrew may 25 2019 hackers reportedly used a tool developed by the nsa to attack baltimore s computer systems the verge retrieved may 29 2019 cyber spies tight lipped on baltimore hack bbc may 27 2019 retrieved may 29 2019 microsoft sounded alarm two years ago about nsa hacking tool that reportedly hit baltimore baltimore brew retrieved may 29 2019 perlroth nicole shane scott may 25 2019 in baltimore and beyond a stolen n s a tool wreaks havoc the new york times perlroth nicole february 9 2021 this is how they tell me the world ends the cyberweapons arms race bloomsbury 1 2 gallagher sean may 20 2019 baltimore ransomware nightmare could last weeks more with big consequences ars technica retrieved may 21 2019 duncan ian zhang christine may 17 2019 analysis of ransomware used in baltimore attack indicates hackers needed unfettered access to city computers the baltimore sun archived from the original on may 28 2019 retrieved may 28 2019 duncan ian home sales are held up baltimore ransomware attack cripples systems vital to real estate deals baltimoresun com stewart emily may 21 2019 hackers have been holding the city of baltimore s computers hostage for 2 weeks vox retrieved may 21 2019 lecher colin may 23 2019 google shut out baltimore officials using gmail after ransomware attack the verge retrieved april 17 2022 1 2 duncan ian september 10 2019 baltimore it director who was at helm during ransomware attack and city s recovery is on leave baltimore sun retrieved april 17 2022 staff stephen babcock february 13 2020 todd carter named director of baltimore city office of information and technology technical ly retrieved april 17 2022 external links edit pirate party germany hackerangriff auf die stadtverwaltung von baltimore wie verwundbar sind europäische städte june 9 2019 v t e hacking in the 2010s 2000s timeline of security hacking incidents timeline of computer viruses and worms 2020s major incidents 2010 operation aurora publication of 2009 events australian cyberattacks operation olympic games operation shadownet operation payback operation socialist 2011 canadian government diginotar dnschanger hbgary federal operation antisec playstation network outage rsa securid compromise 2012 linkedin hack stratfor email leak operation high roller 2013 south korea cyberattack snapchat hack cyberterrorism attack of june 25 2013 yahoo data breach singapore cyberattacks 2014 anthem medical data breach operation tovar 2014 celebrity nude photo leak 2014 jpmorgan chase data breach 2014 sony pictures hack russian hacker password theft 2014 yahoo data breach 2015 office of personnel management data breach hackingteam ashley madison data breach talktalk data breach vtech data breach ukrainian power grid cyberattack swift banking hack 2016 bangladesh bank robbery hollywood presbyterian medical center ransomware incident commission on elections data breach democratic national committee cyber attacks vietnam airport hacks dccc cyber attacks indian bank data breaches surkov leaks dyn cyberattack russian interference in the 2016 u s elections 2016 bitfinex hack 2017 shattered 2017 macron e mail leaks wannacry ransomware attack westminster data breach petya and notpetya 2017 ukraine ransomware attacks equifax data breach deloitte breach disqus breach 2018 trustico atlanta cyberattack british airways data breach singhealth data breach 2019 sri lanka cyberattack baltimore ransomware attack bulgarian revenue agency hack whatsapp snooping scandal jeff bezos phone hacking incident hacktivism anonymous associated events cyberberkut gnaa goatse security lizard squad lulzraft lulzsec new world hackers nullcrew ourmine paypal 14 redhack teamp0ison tdo ugnazi ukrainian cyber alliance groups appin bangladesh black hat hackers bureau 121 charming kitten cozy bear dark basin darkmatter elfin team equation group fancy bear gossipgirl confederation guccifer 2 0 hacking team helix kitten iranian cyber army islamic state hacking division lazarus group bluenoroff andariel lords of dharmaraja nso group numbered panda pla unit 61398 pla unit 61486 platinum pranknet red apollo rocket kitten stealth falcon syrian electronic army tailored access operations the shadow brokers xdedic yemen cyber army individuals ryan ackroyd mustafa al bassam kim anh vo george hotz guccifer elliott gunton jeremy hammond sam hocevar junaid hussain mlt sabu track2 topiary the jester major vulnerabilities publicly disclosed evercookie 2010 iseeyou 2013 heartbleed 2014 shellshock 2014 poodle 2014 rootpipe 2014 row hammer 2014 ss7 vulnerabilities 2014 winshock 2014 jasbug 2015 stagefright 2015 drown 2016 badlock 2016 dirty cow 2016 cloudbleed 2017 broadcom wi fi 2017 eternalblue 2017 doublepulsar 2017 silent bob is silent 2017 krack 2017 roca vulnerability 2017 blueborne 2017 meltdown 2018 spectre 2018 efail 2018 exactis 2018 speculative store bypass 2018 lazy fp state restore 2018 tlbleed 2018 sigspoof 2018 foreshadow 2018 dragonblood 2019 microarchitectural data sampling 2019 bluekeep 2019 kr00k 2019 malware 2010 bad rabbit black energy 2 blackshades coreflood kelihos stuxnet 2011 citadel andromeda alureon duqu gameover zeus metulji botnet stars zeroaccess botnet 2012 alina carna dexter dridex fbi moneypak flame grum mahdi red october shamoon 2013 blackpos cryptolocker darkseoul havex 2014 brambul black energy 3 carbanak careto darkhotel duqu 2 0 emotet finfisher gameover zeus kronos regin 2015 centerpos flocker hidden tear kasidet rombertik teslacrypt project sauron 2016 fastpos hitler industroyer jigsaw keranger locky necurs memz mirai pegasus petya and notpetya philadelphia punkeypos x agent 2017 brickerbot kirk logiclocker rensenware triton wannacry xafecopy 2018 annabelle joanap vpnfilter 2019 r2d2 tiny banker titanium retrieved from https en wikipedia org w index php title 2019_baltimore_ransomware_attack oldid 1370818565 categories cyberattacks ransomware 2019 in maryland crime in baltimore hidden categories articles with short description short description is different from wikidata use mdy dates from may 2019 use american english from may 2019 all wikipedia articles written in american english articles lacking reliable references from november 2025 all articles lacking reliable references wikipedia articles in need of updating from november 2025 all wikipedia articles in need of updating pages using infobox mapframe with missing coordinates this page was last edited on 23 august 2026 at 06 36 utc page was rendered with parsoid text is available under the creative commons attribution sharealike 4 0 license additional terms may apply by using this site you agree to the terms of use and privacy policy wikipedia is a registered trademark of the wikimedia foundation inc a non profit organization privacy policy about wikipedia disclaimers contact wikipedia legal safety contacts code of conduct developers statistics cookie statement mobile view search search toggle the table of contents 2019 baltimore ransomware attack 2 languages add topic