Editing 2020s (section)

==Cybersecurity and hacking==
{{See also|Category:Hacking in the 2020s}}
{| class="wikitable mw-collapsible sortable"
|-
! style="width: 120px;"| Event
! style="width: 120px;"| Date
! Description
|-
| [[2020 Twitter account hijacking]]
| 15 July 2020
| Multiple high-profile [[Twitter]] accounts, each with millions of followers, were compromised in a [[cyberattack]] to promote a [[bitcoin]] [[Confidence trick|scam]].<ref name="cnn">{{Cite news |last=Iyengar |first=Rishi |date=15 July 2020 |title=Twitter accounts of Joe Biden, Barack Obama, Elon Musk, Bill Gates, and others apparently hacked |newspaper=CNN Business |url=https://www.cnn.com/2020/07/15/tech/twitter-hack-elon-musk-bill-gates/index.html |access-date=15 July 2020 |archive-date=16 July 2020 |archive-url=https://web.archive.org/web/20200716155750/https://www.cnn.com/2020/07/15/tech/twitter-hack-elon-musk-bill-gates/ |url-status=live}}</ref>
|-
|[[2020 United States federal government data breach]]
|13 December 2020
|
|-
| [[Colonial Pipeline ransomware attack]]
| 6 May 2021
| [[Colonial Pipeline]] in Texas suffers debilitating ransomware cyberattack by Russian online group [[DarkSide (hacker group)|DarkSide]] causing substantial shortages in the [[Southeastern United States|southeastern USA]].
|-
|[[Log4Shell]]
|24 November 2021
|Log4Shell, a software vulnerability, was disclosed. It had affected hundreds of millions of devices through [[Java (Programming Language)|Java's]] open source [[Log4j]].<ref>{{Cite news |last=Murphy |first=Hannah |date=2021-12-14 |title=Hackers launch more than 1.2m attacks through Log4J flaw |work=Financial Times |url=https://www.ft.com/content/d3c244f2-eaba-4c46-9a51-b28fc13d9551 |archive-url=https://ghostarchive.org/archive/20221210/https://www.ft.com/content/d3c244f2-eaba-4c46-9a51-b28fc13d9551 |archive-date=10 December 2022 |url-access=subscription |access-date=2022-01-03}}</ref><ref>{{Cite web |title=Log4j – Apache Log4j Security Vulnerabilities |url=https://logging.apache.org/log4j/2.x/security.html |access-date=2022-01-03 |website=logging.apache.org |archive-date=26 December 2021 |archive-url=https://web.archive.org/web/20211226110637/https://logging.apache.org/log4j/2.x/security.html |url-status=live}}</ref><ref name="b452">{{cite web |last=Mott |first=Nathaniel |title=Countless Servers Are Vulnerable to Apache Log4j Zero-Day Exploit |website=PCMAG |date=2021-12-10 |url=https://www.pcmag.com/news/countless-serves-are-vulnerable-to-apache-log4j-zero-day-exploit |access-date=2 July 2024}}</ref>
|-
|[[2022 Costa Rican ransomware attack|2022 Costa Rican cyberattack]]
|17 April 2022
|[[Conti (ransomware)|Conti]] and [[Hive (ransomware)|Hive]], among several other ransomware groups, attacked numerous public institutions around the world until shuttered by law enforcement, in May 2022<ref>{{Cite web |title=Conti Ransomware Operation Shut Down After Brand Becomes Toxic |url=https://www.securityweek.com/conti-ransomware-operation-shut-down-after-brand-becomes-toxic |access-date=21 June 2022 |website=securityweek.com |date=23 May 2022 |archive-date=8 June 2022 |archive-url=https://web.archive.org/web/20220608090916/https://www.securityweek.com/conti-ransomware-operation-shut-down-after-brand-becomes-toxic |url-status=live}}</ref> and January 2023, respectively.<ref>{{Cite news |last1=Menn |first1=Joseph |last2=Stein |first2=Perry |last3=Schaffer |first3=Aaron |date=2023-01-26 |title=FBI shuts down ransomware gang that targeted schools and hospitals |newspaper=[[The Washington Post]] |url=https://www.washingtonpost.com/national-security/2023/01/26/hive-ransomware-fbi-doj/ |access-date=2023-06-21 |issn=0190-8286 |archive-date=29 March 2023 |archive-url=https://web.archive.org/web/20230329105531/https://www.washingtonpost.com/national-security/2023/01/26/hive-ransomware-fbi-doj/ |url-status=live}}</ref>
|}