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{{Organization
|OrganizationName=Cybersecurity and Infrastructure Security Agency
|OrganizationType=Independent Agencies
|Mission=CISA leads the national effort to understand, manage, and reduce risk to our cyber and physical infrastructure. It works to ensure the security and resilience of the nation's critical infrastructure by providing cybersecurity guidance, sharing threat information, and coordinating response efforts.
|ParentOrganization=Department of Homeland Security (DHS)
|CreationLegislation=Cybersecurity and Infrastructure Security Agency Act of 2018
|Employees=3000
|Budget=$2.7 billion (fiscal year 2024)
|OrganizationExecutive=Director
|Services=Cybersecurity assessments; Incident response; Infrastructure protection; Training; Information sharing
|HeadquartersLocation=38.88391, -77.1164
|HeadquartersAddress=1110 N Glebe Rd, Arlington, VA 22201
|Website=https://www.cisa.gov
}}
{{Short description|Agency of the United States Department of Homeland Security}}
{{Short description|Agency of the United States Department of Homeland Security}}
{{About|CISA|CSIAC|Cyber Security and Information Systems Information Analysis Center}}
{{About|CISA|CSIAC|Cyber Security and Information Systems Information Analysis Center}}
{{Infobox government agency
{{Infobox government agency
| agency_name    = Cybersecurity and Infrastructure Security Agency
| agency_name    = Cybersecurity and Infrastructure Security Agency
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On January 22, 2019, CISA issued its first Emergency Directive (19-01: Mitigate DNS Infrastructure Tampering)<ref name="ed-19-01">{{cite web |title=Emergency Directive 19-01 |url=https://cyber.dhs.gov/ed/19-01/ |website=cyber.dhs.gov |date=22 January 2019 |publisher=Department of Homeland Security |access-date=16 February 2019 |archive-date=3 July 2019 |archive-url=https://web.archive.org/web/20190703140320/https://cyber.dhs.gov/ed/19-01/ |url-status=live }}</ref> warning that "an active attacker is targeting government organizations" using [[DNS spoofing]] techniques to perform [[man-in-the-middle attacks]].<ref name="cisa-blog-feb-19">{{cite web |last1=Krebs |first1=Christopher |title=Why CISA issued our first Emergency Directive |url=https://cyber.dhs.gov/blog/#why-cisa-issued-our-first-emergency-directive |website=cyber.dhs.gov |publisher=Department of Homeland Security |access-date=16 February 2019 |archive-date=6 July 2019 |archive-url=https://web.archive.org/web/20190706145116/https://cyber.dhs.gov/blog/#why-cisa-issued-our-first-emergency-directive |url-status=live }}</ref> Research group FireEye stated that "initial research suggests the actor or actors responsible have a nexus to Iran."<ref name="fireeye-feb">{{cite web |last1=Hirani |first1=Muks |last2=Jones |first2=Sarah |last3=Read |first3=Ben |title=Global DNS Hijacking Campaign: DNS Record Manipulation at Scale |url=https://www.fireeye.com/blog/threat-research/2019/01/global-dns-hijacking-campaign-dns-record-manipulation-at-scale.html |website=FireEye |access-date=16 February 2019 |archive-date=25 June 2019 |archive-url=https://web.archive.org/web/20190625182736/https://www.fireeye.com/blog/threat-research/2019/01/global-dns-hijacking-campaign-dns-record-manipulation-at-scale.html |url-status=live }}</ref>
On January 22, 2019, CISA issued its first Emergency Directive (19-01: Mitigate DNS Infrastructure Tampering)<ref name="ed-19-01">{{cite web |title=Emergency Directive 19-01 |url=https://cyber.dhs.gov/ed/19-01/ |website=cyber.dhs.gov |date=22 January 2019 |publisher=Department of Homeland Security |access-date=16 February 2019 |archive-date=3 July 2019 |archive-url=https://web.archive.org/web/20190703140320/https://cyber.dhs.gov/ed/19-01/ |url-status=live }}</ref> warning that "an active attacker is targeting government organizations" using [[DNS spoofing]] techniques to perform [[man-in-the-middle attacks]].<ref name="cisa-blog-feb-19">{{cite web |last1=Krebs |first1=Christopher |title=Why CISA issued our first Emergency Directive |url=https://cyber.dhs.gov/blog/#why-cisa-issued-our-first-emergency-directive |website=cyber.dhs.gov |publisher=Department of Homeland Security |access-date=16 February 2019 |archive-date=6 July 2019 |archive-url=https://web.archive.org/web/20190706145116/https://cyber.dhs.gov/blog/#why-cisa-issued-our-first-emergency-directive |url-status=live }}</ref> Research group FireEye stated that "initial research suggests the actor or actors responsible have a nexus to Iran."<ref name="fireeye-feb">{{cite web |last1=Hirani |first1=Muks |last2=Jones |first2=Sarah |last3=Read |first3=Ben |title=Global DNS Hijacking Campaign: DNS Record Manipulation at Scale |url=https://www.fireeye.com/blog/threat-research/2019/01/global-dns-hijacking-campaign-dns-record-manipulation-at-scale.html |website=FireEye |access-date=16 February 2019 |archive-date=25 June 2019 |archive-url=https://web.archive.org/web/20190625182736/https://www.fireeye.com/blog/threat-research/2019/01/global-dns-hijacking-campaign-dns-record-manipulation-at-scale.html |url-status=live }}</ref>


In 2020, CISA created a website, titled ''Rumor Control'', to rebut [[disinformation]] associated with the [[2020 United States presidential election]].<ref>{{Cite news|last1=Courtney|first1=Shaun|last2=Sebenius|first2=Alysa|last3=Wadhams|first3=Nick|date=2020-11-12|title=Turmoil Hits Cyber Agency Engaged in Election as Staff Leave|language=en|work=[[Bloomberg News]]|url=https://www.bloomberg.com/news/articles/2020-11-12/senior-u-s-cyber-official-involved-in-election-leaves-agency|access-date=2020-11-18}}</ref> On November 12, 2020, CISA issued a press release asserting, "There is no evidence that any voting system deleted or lost votes, changed votes, or was in any way compromised."<ref>{{Cite web|title=Federal cybersecurity agency calls election 'most secure in American history'|url=https://www.engadget.com/cisa-2020-election-security-022224313.html|access-date=2020-11-17|website=Engadget|date=13 November 2020 |language=en}}</ref> On the same day, Director Krebs indicated that he expected to be dismissed from his post by the Trump administration.<ref name="topcyber">{{Cite news|last1=Geller|first1=Eric|last2=Bertrand|first2=Natasha|author-link2=Natasha Bertrand|date=2020-11-12|title=Top cyber official expecting to be fired as White House frustrations hit agency protecting elections|language=en|work=[[Politico]]|url=https://www.politico.com/news/2020/11/12/cyber-official-chris-krebs-likely-out-436342|access-date=2020-11-13}}</ref> Krebs was subsequently fired by President Trump on November 17, 2020<ref>{{Cite web |title=Trump fires head of U.S. election cybersecurity who debunked conspiracy theories |url=https://www.nbcnews.com/tech/security/trump-fires-head-u-s-election-cybersecurity-after-he-debunked-n1248063 |access-date=2022-07-01 |website=[[NBC News]] |date=18 November 2020 |language=en}}</ref> via tweet for his comments regarding the security of the election.<ref>{{Cite web|author=Kaitlan Collins and Paul LeBlanc|title=Trump fires director of Homeland Security agency who had rejected President's election conspiracy theories|url=https://www.cnn.com/2020/11/17/politics/chris-krebs-fired-by-trump/index.html|access-date=2020-11-18|website=[[CNN]]|date=18 November 2020 }}</ref>
In 2020, CISA created a website, titled ''Rumor Control'', to rebut [[disinformation]] associated with the [[2020 United States presidential election]].<ref>{{Cite news|last1=Courtney|first1=Shaun|last2=Sebenius|first2=Alysa|last3=Wadhams|first3=Nick|date=2020-11-12|title=Turmoil Hits Cyber Agency Engaged in Election as Staff Leave|language=en|work=[[Bloomberg News]]|url=https://www.bloomberg.com/news/articles/2020-11-12/senior-u-s-cyber-official-involved-in-election-leaves-agency|access-date=2020-11-18}}</ref> On November 12, 2020, CISA issued a press release asserting, "There is no evidence that any voting system deleted or lost votes, changed votes, or was in any way compromised."<ref>{{Cite web|title=Federal cybersecurity agency calls election 'most secure in American history'|url=https://www.engadget.com/cisa-2020-election-security-022224313.html|access-date=2020-11-17|website=Engadget|date=13 November 2020 |language=en}}</ref> On the same day, Director Krebs indicated that he expected to be dismissed from his post by the Trump administration.<ref name="topcyber">{{Cite news|last1=Geller|first1=Eric|last2=Bertrand|first2=Natasha|author-link2=Natasha Bertrand|date=2020-11-12|title=Top cyber official expecting to be fired as White House frustrations hit agency protecting elections|language=en|work=[[Politico]]|url=https://www.politico.com/news/2020/11/12/cyber-official-chris-krebs-likely-out-436342|access-date=2020-11-13}}</ref> Krebs was subsequently fired by President Trump on November 17, 2020<ref>{{Cite web |title=Trump fires head of U.S. election cybersecurity who debunked conspiracy theories |url=https://www.nbcnews.com/tech/security/trump-fires-head-u-s-election-cybersecurity-after-he-debunked-n1248063 |access-date=2022-07-01 |website=[[NBC News]] |date=18 November 2020 |language=en}}</ref> via tweet for his comments regarding the security of the election.<ref>{{Cite web|author=Kaitlan Collins and Paul LeBlanc|title=Trump fires director of Homeland Security agency who had rejected President's election conspiracy theories|url=https://www.cnn.com/2020/11/17/politics/chris-krebs-fired-by-trump/index.html|access-date=2020-11-18|website=CNN|date=18 November 2020 }}</ref>
[[File:DHS Secretary Alejandro Mayorkas Participates in CISA Swearing In Ceremony - 51369641326.jpg|thumb|239x239px|Secretary of Homeland Security [[Alejandro Mayorkas]] at CISA's current headquarters in [[Arlington County, Virginia|Arlington, Virginia]] in 2021.]]
[[File:DHS Secretary Alejandro Mayorkas Participates in CISA Swearing In Ceremony - 51369641326.jpg|thumb|239x239px|Secretary of Homeland Security [[Alejandro Mayorkas]] at CISA's current headquarters in [[Arlington County, Virginia|Arlington, Virginia]] in 2021.]]


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