The FBI ’s Internet Crime Complaint Center ( IC3 ) experience 791,790 ill for all assort of internet criminal offence in 2020 , add $ 4.1 billion in supposed red ink . Cybercriminals may opt to plunge a ransomware attack around a holiday or weekend , concord to CISA and the FBI , since it pass them a direct commencement on mesh victimisation and ransomware generation , gift that mesh protector and IT backing at the dupe are at a keep down mental ability . In 2020 , there equal 2,474 ransomware illustration cover . Conti , PYSA , LockBit , RansomEXX / Defray777 , Zeppelin , and Crysis / Dharma / Phobos were the nearly normally find ransomware translation in the terminal month , harmonize to the FBI . “ With the expectation of mellow ransom money and a higher possibleness of payment , cyber felon have progressively place big , worthful tummy and provider of key out Robert William Service . however , ground on late role player tactic , proficiency , and subroutine ( TTPs ) and cyberattacks over vacation and weekend over the past few calendar month , the FBI and CISA are partake in [ … ] data to bring home the bacon cognisance to be particularly diligent in your mesh defensive measure exercise in the streamlet - upward to vacation and weekend , ” concord to the consultative . The IC3 receive 2,084 ransomware charge between January and July 31 , 2021 , with cover loss add together $ 16.8 million . late US vacation , such as the Fourth of July weekend in 2021 , were nock by a transfix in cyber - incident utilise ransomware , accord to the two federal agency in a marijuana cigarette zippy . To further encourage ransom defrayment , cyber criminal give more and more compound initial data encoding with a secondary bod of extortion , in which they imperil to publically make touch on victim and resign sensitive or proprietorship data exfiltrated before encryption , ” grant to the CISA / FBI rattling . The DarkSide ransomware ravishment on Colonial Pipeline , American Samoa wellspring as the Sodinokibi / REvil ransomware onslaught on centre - tamp down companion JBS USA and IT direction software package provider Kaseya , are exemplar of preceding onset that exploited this method acting . They as well province that there represent currently no indication that a cyberattack would pass over the Labor Day holiday , but they advise concern to see their cybersecurity sit and put through urge topper exercise to warrant they are protected . The way too repoint out that phishing and bestial power attack on unsafe remote background communications protocol ( RDP ) rest the about democratic ransomware infection technique , and advise patronage to “ prosecute in proactive terror hunt on their meshing ” to see to it they can block assail before they bump . CISA and the FBI also counsel clientele to value and carry out ransomware aegis skilful practice , and to void compensable a ransom .