Editing Cisco (section)

===Acquisitions and subsidiaries===
{{further|List of acquisitions by Cisco}}
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Cisco acquired a variety of companies to spin products and talent into the company. In 1995–1996 the company completed 11 acquisitions.<ref>{{cite news |url=http://www.brighthub.com/computing/enterprise-security/articles/65663.aspx |title=The History of Cisco |first=George |last=Garza |date=January 9, 2011 |access-date=January 28, 2011}}</ref> Several acquisitions, such as [[Stratacom]],<ref name="fisher">Lawrence M. Fisher, [https://www.nytimes.com/1996/04/23/business/cisco-agrees-to-acquire-stratacom-in-a-stock-swap-worth-4-billion.html "Cisco Agrees to Acquire Stratacom In a Stock Swap Worth $4 Billion,"] ''[[The New York Times]]'', April 23, 1996.</ref> were one of the biggest deals in the industry when they occurred.<ref>{{cite news|url=https://www.wsj.com/articles/SB830187806589052000|title=Cisco to Buy StrataCom For $4 Billion in Stock |work=[[The Wall Street Journal]]|date=April 23, 1996|last=Carroll|first=Paul B|access-date=June 16, 2020}}</ref> During the Internet boom in 1999, the company acquired [[Cerent Corporation]], a start-up company located in [[Petaluma, California]], for about US$7&nbsp;billion.<ref name="Cisco-Aug-1999-8-K">{{cite web|url=http://edgar.secdatabase.com/1160/89161899003978/filing-main.htm |title=Cisco, Form 8-K, Current Report, Filing Date Aug 26, 1999 |work=secdatabase.com |access-date=March 25, 2013}}</ref> It was the most expensive acquisition made by Cisco to that date, and only the acquisition of [[Scientific Atlanta]] has been larger.<ref name="Cisco-Nov-2005-10-Q">{{cite web|url=http://pdf.secdatabase.com/1820/0001193125-05-231378.pdf |title=Cisco, Form 10-Q, Quarterly Report, Filing Date Nov 23, 2005 |work=secdatabase.com |access-date=March 25, 2013}}</ref> In 1999, Cisco also acquired a stake for $1 billion in KPMG Consulting to enable establishing Internet firm Metrius founded by Keyur Patel of Fuse.<ref>{{cite news |url=https://www.nytimes.com/1999/08/08/business/cisco-systems-to-invest-1-billion-in-the-accounting-giant-kpmg.html |title=KPMG & Cisco |newspaper=The New York Times |date=August 8, 1999|last1=Holson |first1=Laura M. }}</ref> Several acquired companies have grown into $1Bn+ business units for Cisco, including LAN switching, Enterprise [[Voice over Internet Protocol]] (VOIP) platform [[Webex]] and [[home networking]]. The latter came as result of Cisco acquiring [[Linksys]] in 2003 and in 2010 was supplemented with new product line dubbed [[Cisco Valet]].

Cisco announced on January 12, 2005, that it would acquire [[Airespace]] for US$450 million to reinforce the wireless controller product lines.<ref>{{cite web|url=https://www.networkworld.com/article/860295/network-security-cisco-nets-airespace-for-450-million.html|title=Cisco nets Airespace for $450 million|last=Hochmuth |first=Phil |website=Network World|date=January 12, 2005|access-date=March 17, 2016}}</ref>

Cisco announced on January 4, 2007, that it would buy [[IronPort]] in a deal valued at US$830 million<ref>{{cite press release |url=http://newsroom.cisco.com/dlls/2007/corp_010407.html |title=Cisco Announces Agreement to Acquire IronPort |publisher=Cisco |date=January 4, 2007 |access-date=November 8, 2013}}</ref><ref>{{Cite news |title=Cisco buys IronPort for $830 Million |url=http://www.ecommercetimes.com/story/54992.html |author=Keith Regan |work=E-Commerce Times |date=January 4, 2007 |access-date=November 8, 2013}}</ref> and completed the acquisition on June 25, 2007.<ref>{{cite press release |url=http://newsroom.cisco.com/dlls/2007/prod_062507.html |title=Cisco launches Self-Defending Network v3.0 |publisher=Cisco Systems |date=June 25, 2007 |access-date=November 8, 2013}}</ref> [[IronPort]] was best known for its IronPort AntiSpam, its SenderBase email reputation service and its email security appliances. Accordingly, [[IronPort]] was integrated into the Cisco Security business unit.<ref>"[http://www.ironport.com/company/about.html About]". Cisco IronPort. Accessed November 8, 2013.</ref> Ironport's Senderbase was renamed as Sensorbase to take account of the input into this database that other Cisco devices provide.<ref>{{Cite web |date=2009-10-06 |title=What is Cisco SensorBase? |url=https://networklore.com/what-is-cisco-sensorbase/ |access-date=2023-02-17 |website=Networklore |language=en}}</ref> SensorBase allows these devices to build a risk profile on IP addresses, therefore allowing risk profiles to be dynamically created on http sites and SMTP email sources.<ref>{{cite web |url=http://networklore.com/what-is-cisco-sensorbase/ |title=What is Cisco SensorBase? |author=Patrick Ogenstad |date=October 6, 2009 |access-date=November 8, 2013}}</ref>

In 2010, Cisco bought [[Starent Networks]] (a mobile packet core company) for $2.9 billion<ref>{{Cite news |last=Vance |first=Ashlee |date=2009-10-13 |title=Cisco Is Buying Starent for $2.9 Billion to Bolster Its Wireless Networks Business |language=en-US |work=The New York Times |url=https://www.nytimes.com/2009/10/14/technology/companies/14cisco.html |access-date=2023-02-17 |issn=0362-4331}}</ref><ref>{{Cite web |last=Rosoff |first=Matt |title=Cisco's Crazy Acquisition Binge: Top 10 Buys From The Last Decade |url=https://www.businessinsider.com/ciscos-10-biggest-acquisitions-in-the-last-decade-2011-4 |access-date=2023-02-17 |website=Business Insider |language=en-US}}</ref> and Moto Development Group, a product design consulting firm that helped develop Cisco's Flip video camera.<ref name="Cisco-Oct-2009-8-K">{{cite web|url=http://edgar.secdatabase.com/1680/119312509207912/filing-main.htm |title=Cisco, Form 8-K, Current Report, Filing Date Oct 14, 2009 |work=secdatabase.com |access-date =March 25, 2013}}</ref><ref>{{Cite web |last=Patel |first=Nilay |date=2010-05-18 |title=Cisco buys MOTO Development Group to beef up consumer design chops |url=https://www.engadget.com/2010-05-18-cisco-buys-moto-development-group-to-beef-up-consumer-design-cho.html |access-date=2023-02-17 |website=Engadget |language=en-US}}</ref> Also in 2010, Cisco became a key stakeholder in ''e-Skills Week''. In March 2011, Cisco completed the acquisition of privately held network configuration and change management software company Pari Networks.<ref name="post">{{cite news |title=Cisco Completes Acquisition Of Pari Networks (Started By Former Cisco Execs) |work=TechCrunch |date=March 1, 2011 |url=http://www.techcrunchit.com/2011/03/02/cisco-completes-acquisition-of-pari-networks-started-by-former-cisco-execs/ |access-date=March 2, 2011 |archive-date=July 4, 2011 |archive-url=https://web.archive.org/web/20110704103551/http://www.techcrunchit.com/2011/03/02/cisco-completes-acquisition-of-pari-networks-started-by-former-cisco-execs/ |url-status=dead }}</ref>

Although many buy-ins (such as Crescendo Networks in 1993, [[Tandberg]] in 2010) resulted in acquisition of flagship technology to Cisco, many others have failed—partially or completely.<ref name=autogenerated1>{{cite web|url=http://edgar.secdatabase.com/323/119312509203556/filing-main.htm |title=Cisco, Form 8-K, Current Report, Filing Date Oct 5, 2009 |work=secdatabase.com |access-date =March 25, 2013}}</ref> For instance, in 2010 Cisco occupied a meaningful share of the packet-optical market,<ref>{{cite web|url=http://www.infonetics.com/pr/2010/1Q10-Optical-Network-Hardware-Market-Highlights.asp|title=Alcatel-Lucent, Huawei continue tight race for leadership in optical network hardware market|publisher=Infonetics Research|date=May 17, 2010|access-date=September 5, 2011|archive-url=https://web.archive.org/web/20110929030337/http://www.infonetics.com/pr/2010/1Q10-Optical-Network-Hardware-Market-Highlights.asp|archive-date=September 29, 2011|url-status=dead}}</ref> revenues were still not on par with US$7&nbsp;billion price tag paid in 1999 for [[Cerent Corporation|Cerent]]. Some of acquired technologies (such as Flip from Pure Digital) saw their product lines terminated.<ref name="Cisco-Nov-2009-10-Q">{{cite web|url=http://pdf.secdatabase.com/833/0001193125-09-237055.pdf |title=Cisco, Form 10-Q, Quarterly Report, Filing Date Nov 18, 2009 |work=secdatabase.com |access-date =March 25, 2013}}</ref><ref>{{cite news| url=https://www.pcmag.com/article2/0,2817,2383169,00.asp| title=Cisco's UMI Adventure Should End|publisher=PCMag|date=April 6, 2011|access-date=September 5, 2011|first=Lance|last=Ulanoff}}</ref>

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Cisco announced on March 15, 2012, that it would acquire [[NDS Group]] for $5bn.<ref name="Cisco-Mar-2012-8-K">{{cite web |title=Cisco, Form 8-K, Current Report, Filing Date Mar 15, 2012 |url=http://edgar.secdatabase.com/2276/119312512117538/filing-main.htm |access-date=March 25, 2013 |work=secdatabase.com}}</ref><ref>{{cite web |title=Cisco to Acquire NDS for $5Bn |url=http://newsroom.cisco.com/press-release-content?type=webcontent&articleId=712002}}</ref> 

In January 2013, Cisco Systems acquired Israeli software maker Intucell for around $475 million in cash, a move to expand its mobile network management offerings.<ref name="Cisco-Feb-2013-10-Q">{{cite web|url=http://pdf.secdatabase.com/2940/0000858877-13-000013.pdf |title=Cisco, Form 10-Q, Quarterly Report, Filing Date Feb 19, 2013 |publisher=secdatabase.com |access-date =March 25, 2013}}</ref><ref>{{cite news| url=http://uk.reuters.com/article/us-intucell-cisco-offering-idUKBRE90M0PO20130123| archive-url=https://web.archive.org/web/20181125020418/https://uk.reuters.com/article/us-intucell-cisco-offering-idUKBRE90M0PO20130123| url-status=dead| archive-date=November 25, 2018| title=Cisco to buy Israel-based software maker for $475 million |publisher=[[Reuters]] | date=January 23, 2013}}</ref> In the same month, Cisco Systems acquired Cognitive Security, a company focused on Cyber Threat Protection. Cisco also acquired SolveDirect (cloud services) in March 2013<ref>{{cite web|last1=Goddard|first1=Timothy|title=Corum Group International Advises SolveDirect in Acquisition|url=http://www.prweb.com/releases/corum-group/solvedirect-cisco/prweb10589636.htm|archive-url=https://archive.today/20140706233346/http://www.prweb.com/releases/corum-group/solvedirect-cisco/prweb10589636.htm|url-status=dead|archive-date=July 6, 2014|publisher=PRWeb}}</ref> and [[United Kingdom|UK]]-based Ubiquisys (mobile software) in April 2013 for $310 million.<ref>{{Cite web |last=Lunden |first=Ingrid |date=2013-04-03 |title=Cisco Is Buying Ubiquisys For $310M For A Big Move Into Mobile Coverage With Femtocells And Small Cells |url=https://techcrunch.com/2013/04/03/cisco-is-buying-ubiquisys-for-310m-for-a-big-move-into-femtocells/ |access-date=2023-02-17 |website=TechCrunch |language=en-US}}</ref>

Cisco acquired cyber-security firm [[Sourcefire]], in October 2013.<ref>{{Cite web |last=Merced |first=Michael J. de la |date=2013-07-23 |title=Cisco to Buy Sourcefire, a Cybersecurity Company, for $2.7 Billion |url=https://dealbook.nytimes.com/2013/07/23/cisco-to-buy-sourcefire-a-cybersecurity-company-for-2-7-billion/ |access-date=2025-05-29 |website=DealBook |language=en}}</ref><ref>{{Cite news |last=King |first=Rachael |date=2013-07-23 |title=Cisco Acquires Sourcefire for $2.7 billion |url=http://blogs.wsj.com/cio/2013/07/23/why-cisco-acquired-sourcefire-for-2-7-billion/ |access-date=2025-05-29 |work=Wall Street Journal |language=en-US |issn=0099-9660}}</ref> On June 16, 2014, Cisco announced that it has completed the acquisition of ThreatGRID, a company that provided dynamic malware analysis and threat intelligence technology.<ref>{{cite web|title=Cisco Has Acquired ThreatGRID|url=http://www.cisco.com/web/about/ac49/ac0/ac1/ac259/threatgrid.html|publisher=Cisco|access-date=August 11, 2014}}</ref>

On June 17, 2014, Cisco announced its intent to acquire privately held Tail-f Systems, a leader in configuration management software.<ref>{{cite web|title=Cisco Announces Intent to Acquire Tail-f Systems|url=https://newsroom.cisco.com/press-release-content?type=webcontent&articleId=1438152}}</ref><ref>{{Cite web |title=Tail-f Systems AB |url=https://www.bloomberg.com/profile/company/0118924Z:SS |access-date=2022-11-02 |website=Bloomberg}}</ref>

On April 2, 2015, Cisco announced plans to buy Embrane, a software-defined networking startup. The deal will give Cisco Embrane's software platform, which provides layer 3–7 network services for things such as firewalls, VPN termination, server load balancers and SSL offload.<ref>By Liam Tung, ZDNet. “[https://www.zdnet.com/home-and-office/networking/cisco-to-buy-embrane-to-boost-datacenter-sdn-play/ Cisco to buy Embrane to boost datacenter SDN play].” April 2, 2015. April 7, 2015.</ref>

On May 7, 2015, Cisco announced plans to buy Tropo,<ref>{{Cite web |last=Tamarov |first=Maxim |date=2021-02-19 |title=Cisco completes the IMImobile acquisition |url=https://www.techtarget.com/searchunifiedcommunications/news/252496659/Cisco-completes-the-IMImobile-acquisition |access-date=2023-02-17 |website=TechTarget |language=en}}</ref> a cloud API platform that simplifies the addition of real-time communications and collaboration capabilities within applications.<ref>{{cite web|url = https://www.tropo.com/2015/05/tropo-joins-cisco-to-power-next-gen-collaboration-apis/|title = Tropo joins Cisco to Power next-gen collaboration APIs|website = Acquisition Summary|publisher = Tropo|last = Diggz|first = Johnny|archive-url = https://web.archive.org/web/20160916205507/https://www.tropo.com/2015/05/tropo-joins-cisco-to-power-next-gen-collaboration-apis/|archive-date = September 16, 2016|url-status = dead}}</ref>

On June 30, 2015, Cisco acquired privately held [[OpenDNS]], the company best known for its DNS service that adds a level of security by monitoring domain name requests.<ref>{{cite web|title = Cisco Announces Intent to Acquire OpenDNS|url = http://newsroom.cisco.com/press-release-content?type=webcontent&articleId=1667697|access-date = October 12, 2015}}</ref>

On August 6, 2015, Cisco announced that it has completed the acquisition of privately held MaintenanceNet, the US-based company best known for its cloud-based contract management platform ServiceExchange.<ref>{{cite web|title = Cisco Completes MaintenanceNet Acquisition|url = http://www.cisco.com/web/about/ac49/ac0/ac1/ac259/maintenancenet.html|website = Cisco|access-date = October 12, 2015}}</ref> On the same month, Cisco acquired Pawaa, a privately held company in Bangalore, India that provides secure on-premises and cloud-based file-sharing software.<ref>{{cite web|title = Cisco has Acquired Pawaa|url = http://www.cisco.com/web/about/ac49/ac0/ac1/ac259/pawaa.html|website = Cisco|access-date = October 12, 2015}}</ref>

On September 30, 2015, Cisco announced its intent to acquire privately held Portcullis Computer Security, a UK-based company that provides cybersecurity services to enterprise clients and the government sectors.<ref>{{cite web|url = http://www.cisco.com/web/about/doing_business/corporate_development/acquisitions/ac_year/about_cisco_acquisition_years_list.html|title = Acquisitions|website = Acquisition Summary|publisher = Cisco}}</ref>

On October 26, 2015, Cisco announced its intent to acquire ParStream, a privately held company based in Cologne, Germany, that provides an analytics database that allows companies to analyze large amounts of data and store it in near real-time anywhere in the network.<ref>{{cite web|title = Cisco Announces Intent to Acquire ParStream|url = http://blogs.cisco.com/news/cisco-announces-data-analytics-news|website = blogs@Cisco – Cisco Blogs|date = October 26, 2015|access-date = October 27, 2015}}</ref>

On October 27, 2015, Cisco announced that it would acquire [[Lancope]], a company that focuses on detecting threat activity, for $452.5 million in a cash-and-equity deal.<ref>{{cite web|title = Cisco Beefs Up Security, Buys Lancope For $453M|url = https://techcrunch.com/2015/10/27/cisco-beefs-up-security-buys-lancope-for-453m/|website = TechCrunch|access-date = October 27, 2015|first = Ingrid|last = Lunden| date=October 27, 2015 }}</ref>

On June 28, 2016, Cisco announced its intent to acquire CloudLock, a privately held cloud security company founded in 2011 by three [[Israeli military]] veterans,<ref>{{cite news | last1=Leichman | first1=Abigail Klein | last2=Blum | first2=Brian | title=Cisco to pay $293 million for Israeli-founded CloudLock | website=Israel21c | date=January 21, 2018 | url=http://www.israel21c.org/cisco-to-pay-293-million-for-israeli-founded-cloudlock/ | access-date=January 21, 2018}}</ref> for $293 million.<ref>{{cite web|url=http://www.businesscloudnews.com/2016/06/28/cisco-cracks-open-wallet-for-293m-cloudlock-acquisition/|title=Cisco cracks open wallet for $293m CloudLock acquisition {{!}} Business Cloud News|access-date=July 26, 2016|archive-date=July 19, 2020|archive-url=https://web.archive.org/web/20200719081219/https://telecoms.com/webinars/|url-status=dead}}</ref> The deal was expected to close in the first quarter of 2017.

In August 2016, Cisco announced it is getting closer to making a deal to acquire Springpath, the startup whose technology is used in Cisco's HyperFlex Systems. Cisco already owns an undisclosed stake in the hyper-converged provider.<ref>Mark Haranas, CRN. “[http://www.crn.com/news/networking/300081607/sources-cisco-close-to-making-bid-to-buy-springpath.htm Sources: Cisco Close To Making Bid TO Buy Springpath].” August 4, 2016. August 8, 2016.</ref> In September 2023, Cisco announced discontinuation of its HyperFlex infrastructure products.<ref>{{Cite web |last=Sharwood |first=Simon |title=Cisco discontinues Hyperflex hyperconverged infrastructure |url=https://www.theregister.com/2023/09/14/cisco_discontinues_hyperflex_hci/ |access-date=2023-09-14 |website=www.theregister.com |language=en}}</ref>

In January 2017, Cisco announced they would acquire [[AppDynamics]], a company that monitors application performance, for $3.7 billion. The acquisition came just one day before AppDynamics was set to IPO.<ref>{{cite web|url=https://techcrunch.com/2017/01/24/cisco-snaps-up-appdynamics-for-3-7b-right-before-its-ipo/|title=Cisco snaps up AppDynamics for $3.7B right before its IPO|last=Lynley|first=Matthew|website=TechCrunch|date=January 25, 2017 |access-date=January 25, 2017}}</ref>

On January 26, 2017, Cisco founded the Innovation Alliance in Germany with eleven other companies bringing together 40 sites and 2,000 staff to provide small businesses in Germany with expertise.<ref>{{cite web|url=http://www.pressat.co.uk/releases/cisco-founds-innovation-alliance-with-eleven-partners-in-germany-60aeff177b2d59a1af2e6e2c34ece2df/|title=Cisco Founds Innovation Alliance With Eleven Partners In Germany|last=Alison|first=Homes|website=Pressat|access-date=January 26, 2017}}</ref>

On August 1, 2017, Cisco completed the acquisition of Viptela Inc. for $610 million in cash and assumed equity awards.<ref>{{Cite web|url=https://newsroom.cisco.com/press-release-content?type=webcontent&articleId=1870481|title=Cloud-first SD-WAN solution offers flexibility and simplicity to enterprises and telecom carriers}}</ref> Viptela was a privately held software-defined wide area network (SD-WAN) company based in San Jose, Ca.

On October 23, 2017, Cisco Systems announced it would be acquiring Broadsoft for $1.9 Billion to further entrench itself in the cloud communication and collaboration area.<ref>Charlie Osborne, ZDNet. "[https://www.zdnet.com/article/cisco-to-acquire-broadsoft-in-1-9-billion-deal/ Cisco to acquire BroadSoft in $1.9 billion deal]." October 23, 2017. Retrieved February 7, 2018.</ref>

On August 7, 2020, Cisco completed its acquisition of network intelligence company [[ThousandEyes]] for around $1 billion.<ref>{{Cite press release|title=Cisco Completes Acquisition Of ThousandEyes|url=https://www.prnewswire.com/news-releases/cisco-completes-acquisition-of-thousandeyes-301108576.html|access-date=2020-08-08|website=PR Newswire|language=en-US}}</ref><ref>{{Cite web |last=Krause |first=Reinhardt |date=May 20, 2024 |title=Is Cisco Stock A Buy With Investor Day Planned Amid Splunk Deal? |url=https://www.investors.com/news/technology/csco-stock-cisco-stock-buy-now/ |website=Investors.com}}</ref>

On October 1, 2020, Cisco announced that it would be acquiring Israeli startup Portshift for a reported $100 million.<ref>{{Cite news|title=TechCrunch|url=https://techcrunch.com/2020/10/01/cisco-acquires-portshift-to-raise-its-game-in-devops-and-kubernetes-security/|access-date=2020-10-05|website=TechCrunch|language=en-US|archive-date=November 1, 2020|archive-url=https://web.archive.org/web/20201101144042/https://consent.yahoo.com/v2/collectConsent?sessionId=3_cc-session_69e49886-9ac9-437b-9c74-6476f194d145|url-status=live}}</ref>

On December 7, 2020, Cisco announced that it would be acquiring [[Slido]] to improve Q&A, polls and engagement in WebEx videoconferencing <ref>{{Cite web|title=Cisco is buying Slido to improve Q&A, polls and engagement in WebEx videoconferencing|url=https://techcrunch.com/2020/12/07/cisco-acquires-slido-to-improve-qa-polls-and-engagement-in-webex-videoconferencing/|access-date=2020-12-07|website=TechCrunch|date=December 7, 2020|language=en-US|archive-date=December 9, 2020|archive-url=https://web.archive.org/web/20201209140738/https://social.techcrunch.com/2020/12/07/cisco-acquires-slido-to-improve-qa-polls-and-engagement-in-webex-videoconferencing/|url-status=live}}</ref>

On December 7, 2020, Cisco announced the acquisition of U.K based [[IMImobile]] in a $730M deal.<ref>{{cite news |title=Cisco acquires customer interaction platform provider IMImobile in $730m deal |url=https://www.zdnet.com/article/cisco-acquires-customer-interaction-solutions-provider-imimobile-in-730m-deal/ |access-date=9 December 2020}}</ref>

On May 3, 2021, Cisco completed its acquisition of Q&A and polling platform [[Slido]], which they offered both as a standalone product and with integrations.<ref>{{Cite web |last=Narcisi |first=Gina |date=2021-05-03 |title=Cisco Closes Slido Deal For 'Inclusive' Webex Meetings |url=https://www.crn.com/news/networking/cisco-closes-slido-deal-for-inclusive-webex-meetings |access-date=2023-02-17 |website=CRN |language=en}}</ref><ref>{{Cite web |last=Lunden |first=Ingrid |date=2020-12-07 |title=Cisco is buying Slido to improve Q&A, polls and engagement in WebEx videoconferencing |url=https://techcrunch.com/2020/12/07/cisco-acquires-slido-to-improve-qa-polls-and-engagement-in-webex-videoconferencing/ |access-date=2023-02-17 |website=TechCrunch |language=en-US}}</ref><ref>{{Cite web |last=Gleason |first=Mike |date=2021-07-08 |title=Cisco takes over hybrid event manager Socio Labs {{!}} TechTarget |url=https://www.techtarget.com/searchunifiedcommunications/news/252500704/Cisco-to-acquire-Socio-Labs-for-Webex-event-hosting |access-date=2023-02-17 |website=Unified Communications |language=en}}</ref>

In 2023, Cisco acquired the following cybersecurity companies: Valtix, Lightspin, and Armorblox.<ref>{{cite web|url=https://www.crn.com/news/networking/cisco-to-acquire-valtix-to-further-security-cloud-strategy|title=Cisco to Acquire Valtix To Further Security Cloud Strategy|website=CRN|date=February 24, 2023|author=Gina Narcisi|access-date=February 1, 2024}}</ref><ref>{{cite web|url=https://www.crn.com/news/networking/cisco-to-scoop-up-lightspin-in-second-cloud-security-purchase-of-2023|title=Cisco To Scoop Up Lightspin In Second Cloud Security Purchase Of 2023|website=CRN|date=March 29, 2023|author=Gina Narcisi|access-date=February 1, 2024}}</ref><ref>{{cite web|url=https://siliconangle.com/2023/05/31/cisco-buys-armorblox-beef-cybersecurity-generative-ai/|title=Cisco buys Armorblox to beef up cybersecurity with generative AI|website=Silicon Angle|date=May 31, 2023|author=Mike Wheatley|access-date=February 1, 2024}}</ref> Cisco also announced its intention to acquire networking and security startup Isovalent later that year.<ref>{{Cite web |last=Miller |first=Ron |date=December 21, 2023 |title=Cisco to acquire cloud-native networking and security startup Isovalent |url=https://techcrunch.com/2023/12/21/cisco-to-acquire-cloud-native-networking-and-security-startup-isovalent/ |website=TechCrunch}}</ref>

On September 21, 2023, Cisco announced the acquisition of cybersecurity firm [[Splunk]] in a $28 billion deal, its biggest acquisition yet,<ref>{{cite news |title=Cisco to buy cybersecurity firm Splunk for $28 billion |url=https://www.reuters.com/markets/deals/cisco-acquire-splunk-28-billion-2023-09-21/ |access-date=21 September 2023}}</ref><ref>{{cite web|url=https://www.cnbc.com/2023/09/21/cisco-acquiring-splunk-for-157-a-share-in-cash.html|title=Cisco makes largest ever acquisition, buying cybersecurity company Splunk for $28 billion in cash|website=CNBC|date=September 21, 2023|author=Rohan Goswami|access-date=November 17, 2023}}</ref> and the acquisition is announced to be completed on March 18, 2024.<ref>{{cite news |title=Cisco Completes Acquisition of Splunk |url=https://www.splunk.com/en_us/newsroom/press-releases/2024/cisco-completes-acquisition-of-splunk.html |access-date=18 March 2024}}</ref><ref>{{cite news |title=Cisco and Splunk: Powering and protecting the AI revolution |url=https://newsroom.cisco.com/c/r/newsroom/en/us/a/y2024/m03/powering-and-protecting-the-ai-revolution.html |access-date=18 March 2024}}</ref>