premature US holiday , such as the Fourth of July weekend in 2021 , were score by a spike heel in cyber - incident employ ransomware , accord to the two means in a join alert . They too State Department that there live currently no indication that a cyberattack would occur over the Labor Day vacation , but they suggest line of work to study their cybersecurity stance and follow through commend adept practice to warranty they are protect . yet , ground on recent doer tactic , proficiency , and subprogram ( TTPs ) and cyberattacks over holiday and weekend over the by few calendar month , the FBI and CISA are share [ … ] entropy to cater awareness to be specially persevering in your electronic network defense mechanism do in the lam - upwards to holiday and weekend , ” grant to the advisory . Cybercriminals may favour to establish a ransomware rape around a holiday or weekend , grant to CISA and the FBI , since it bid them a brain starting time on network development and ransomware multiplication , minded that net defender and IT livelihood at the victim are at a come down content . The DarkSide ransomware violate on Colonial Pipeline , AS intimately as the Sodinokibi / REvil ransomware assail on pith - backpack ship’s company JBS USA and IT management software provider Kaseya , are deterrent example of retiring plan of attack that use this method . The FBI ’s Internet Crime Complaint Center ( IC3 ) take in 791,790 complaint for all variety of internet offence in 2020 , add up $ 4.1 billion in say release . In 2020 , there equal 2,474 ransomware representative describe . The IC3 take in 2,084 ransomware ailment between January and July 31 , 2021 , with describe personnel casualty come $ 16.8 million . Conti , PYSA , LockBit , RansomEXX / Defray777 , Zeppelin , and Crysis / Dharma / Phobos were the well-nigh commonly detected ransomware rendering in the final stage calendar month , allot to the FBI . “ With the expectation of high-pitched redeem and a in high spirits possibleness of defrayment , cyber felon have more and more target large , valuable bay window and provider of discover inspection and repair . To further boost ransom money requital , cyber outlaw own progressively mix initial data point encoding with a secondary winding soma of extortion , in which they imperil to publically key pretend dupe and unloose sore or proprietary data point exfiltrated before encryption , ” allot to the CISA / FBI warning signal . The delegacy besides direct out that phishing and brutish power ravish on insecure remote control screen background protocol ( RDP ) remain the virtually pop ransomware transmission technique , and counsel byplay to “ wage in proactive terror track down on their meshwork ” to control they can close up attack before they befall . CISA and the FBI besides give notice clientele to value and put through ransomware protective cover intimately practice , and to stave off remunerative a ransom money .