{{Short description|U.S. information technology company}} {{promotional|date=March 2025}} {{Infobox company | name = F5, Inc. | logo = F5 Networks logo.svg | logo_size = 150px | image = F5 Tower - July 2017.jpg | image_caption = Headquarters at F5 Tower | trade_name = | former_name = {{ubl|F5 Labs, Inc. (1996–1999)|F5 Networks, Inc. (1999–2021)}} | type = Public | traded_as = {{ubl|{{NASDAQ|FFIV}}|S&P 500 component}} | industry = Technology | predecessor = | founded = {{start date and age|1996|2|26}} | location = F5 Tower<br />Seattle, Washington, U.S. | key_people = François Locoh-Donou (president and CEO) | products = Application Security and Delivery | revenue = {{increase}} {{US$|3.09 billion|link=yes}} (2025) | operating_income = {{increase}} US$766 million (2025) | net_income = {{increase}} US$692 million (2025) | assets = {{increase}} US$6.32 billion (2025) | equity = {{increase}} US$3.59 billion (2025) | num_employees = 6,578 (2025) | website = {{URL|https://f5.com/}} | footnotes = Financials {{as of|2025|09|30|lc=y|df=US}}.<ref name=10K>{{cite web|url=https://www.sec.gov/ix?doc=/Archives/edgar/data/1048695/000104869525000157/ffiv-20250930.htm |title=F5, Inc. 2025 Annual Report (Form 10-K) |publisher=U.S. Securities and Exchange Commission |date=25 November 2025}}</ref> | module = {{infobox network service provider|child=yes|asn=35280}} }}
'''F5, Inc.''' is an American technology company specializing in application security, multi-cloud management, online fraud prevention, application delivery networking (ADN), application availability and performance, and network security, access, and authorization.
F5 originally offered application delivery controller (ADC) technology,<ref>{{Cite web|url=https://www.information-age.com/how-f5-networks-built-empire-controlling-internet-123461595/|title=How F5 Networks built an empire on controlling the internet|date=2016-06-10|website=Information Age|language=en|access-date=2020-04-07}}</ref> but has since expanded into application layer, automation, multi-cloud, and security services.<ref>{{Cite web|last=Datanyze|title=F5 BIG-IP Platform Market Share and Competitor Report {{!}} Compare to F5 BIG-IP Platform, F5 BIG-IP APM, AWS Elastic Load Balancer|url=https://www.datanyze.com/market-share/load-balancers--20/f5-big-ip-platform-market-share|access-date=2021-09-24|website=Datanyze|language=en}}</ref>
F5 is headquartered in Seattle, Washington in F5 Tower, with an additional 75 offices<ref name="English US">{{Cite web|title=English (US)|url=https://www.f5.com/|access-date=2021-09-24|website=www.f5.com|language=en-US}}</ref> in 43 countries<ref name="English US"/> focusing on account management, global services support, product development, manufacturing, software engineering, and administrative jobs. Office locations include Spokane, Washington; New York, New York; Boulder, Colorado; London, England; San Jose, California; and San Francisco, California.<ref name="English US"/>
The majority of F5's revenue continues to be attributed to its hardware products, such as the BIG-IP iSeries systems. The company has begun to offer additional modules on its proprietary operating system, TMOS (Traffic Management Operating System).<ref>{{Cite web|date=September 2020|title=Take a Flexible and Adaptable Approach to Application Delivery|url=https://www.f5.com/pdf/products/big-ip-modules-ds.pdf|access-date=September 23, 2021|website=BIG-IP Modules Datasheet}}</ref> These modules include Local Traffic Manager (LTM), Advanced Web Application Firewall (AWAF), DNS (previously named GTM), and Access Policy Manager (APM). These offer organizations that run BIG-IP systems the ability to deploy load balancing, Layer 7 application firewalls, single sign-on (for Azure AD, Active Directory, LDAP, and Okta), as well as enterprise-level VPNs. While the BIG-IP was traditionally a hardware product, F5 offers it as a virtual machine that can be deployed on-premises in a public and/or hybrid cloud environment.{{cn |date=March 2025}}
==History== F5, Inc., originally named "F5 Labs"<ref name=":0">{{Cite web |title=K245: The founding of F5 |url=https://my.f5.com/manage/s/article/K245 |access-date=2025-10-24 |website=my.f5.com}}</ref> and formerly "F5 Networks, Inc." was established in 1996.<ref name=form-10k>{{cite web|url=https://www.sec.gov/Archives/edgar/data/1048695/000119312511318885/d223035d10k.htm|title=F5 Networks Form 10-K|access-date=2012-05-02}}</ref> Currently, the company's public-facing brand<ref>{{cite web |url=https://www.f5.com/pdf/f5/F5-Creative-Guidelines.pdf |title=Creative Guidelines |website=f5.com |date=April 2020 |access-date=23 July 2021 |archive-date=4 June 2021 |archive-url=https://web.archive.org/web/20210604020955/https://www.f5.com/pdf/f5/f5-creative-guidelines.pdf |url-status=dead }}</ref> generally appears as "F5." The company's name is a reference to the highest intensity tornado on the Fujita scale.<ref name=":0" />
In 1997, F5 launched its first product,<ref>{{Cite web|url=http://www.information-age.com/how-f5-networks-built-empire-controlling-internet-123461595/|title=How F5 Networks built an empire on controlling the internet|last=Rossi|first=Ben|website=Information Age|date=10 June 2016}}</ref> a load balancer called BIG-IP that served the purpose of reallocating server traffic away from overloaded servers. In June 1999, the company had its initial public offering and was listed on the Nasdaq stock exchange with the symbol FFIV.<ref>{{Cite web |title=F5 Network's Ipo Lights Fire On First Day Of Public Trading {{!}} The Seattle Times |url=https://archive.seattletimes.com/archive/19990604/2964681/f5-networks-ipo-lights-fire-on-first-day-of-public-trading |access-date=2025-10-24 |website=archive.seattletimes.com}}</ref>
In 2017, François Locoh-Donou replaced John McAdam as president and CEO.<ref>{{Cite news |url= http://www.seattletimes.com/business/technology/f5-names-new-ceo-after-yearlong-search/ |title= F5 names new CEO after yearlong search |date= January 30, 2017 |newspaper= The Seattle Times |access-date= February 9, 2017 }}</ref> Later in 2017, F5 launched a dedicated site and organization focused on gathering global threat intelligence data, analyzing application threats, and publishing related findings, dubbed "F5 Labs."<ref>{{Cite web |last=Frank |first=Edward |date=2026-03-05 |title=F5 Labs Launches AI Security Benchmark and Model Risk Leaderboards |url=https://securityreviewmag.com/?p=29605 |access-date=2026-04-09 |language=en-US}}</ref> On May 3, 2017, F5 announced that it would move from its longtime headquarters near Seattle Center to a downtown Seattle skyscraper that would be called F5 Tower.<ref>{{cite web|url=https://www.geekwire.com/2017/f5-networks-will-move-hq-glitzy-new-seattle-skyscraper-called-f5-tower/|title=F5 Networks will move HQ to glitzy new Seattle skyscraper, to be called 'F5 Tower'|date=3 May 2017|website=geekwire.com|access-date=21 February 2018}}</ref> The move occurred in early 2019.
F5 employees include Dahl-Nygaard, Gilad Bracha, Shuman Ghosemajumder, and former Defense.Net founder Barrett Lyon.<ref>{{Cite web |date=2022-05-05 |title=What is big ip edge client components all users |url=https://bingaling.amebaownd.com/posts/34170487/ |access-date=2025-02-20 |website=temanrarac1989's Ownd |language=ja}}</ref>
48 of the Fortune 50 companies use F5 for load balancing, Layer 7 application security, fraud prevention, and API management.{{cn |date=April 2026}}
==Products== [[File:F5 spokane 2.jpg|thumb|F5 site in Liberty Lake, Washington state, December 2021]]
=== F5 Application Delivery and Security Platform (ADSP) === In 2025, F5 introduced the Application Delivery and Security Platform (ADSP), a unified offering that combines application delivery, API protection, and threat mitigation across hardware, software, and Software-as-a-Service (SaaS) environments. ADSP is designed to support hybrid and multicloud deployments and includes capabilities such as load balancing, web application firewalls, DDoS protection, and encrypted traffic inspection.<ref>{{Cite web |title=F5 grabs agentic AI startup Fletch to bolster security platform |url=https://www.networkworld.com/article/4000402/f5-grabs-agentic-ai-startup-fletch-to-bolster-security-platform.html |access-date=2025-09-10 |website=Network World |language=en}}</ref>
===F5 BIG-IP=== F5's BIG-IP product family comprises hardware, modularized software, and virtual appliances that run the F5 TMOS operating system.<ref>{{cite web | url = http://packetpushers.net/what-the-heck-is-f5-networks-tmos/ | title = What the Heck Is F5 Networks' TMOS? | date = 2013-04-20 | access-date = 2013-12-02 | author = Steven Iveson | publisher = packetpushers.net }}</ref><ref name="embedded-tmos">{{cite web | url = http://www.embedded.com/design/connectivity/4026945/No-operating-system-is-an-island | title = No operating system is an island | date = 2008-12-14 | access-date = 2013-12-02 | author1 = Ryan Kearny | author2 = Steve Graves | publisher = embedded.com }}</ref> Depending on the appliance selected, one or more BIG-IP product modules can be added.
In 1997, the company introduced its flagship product, BIG-IP.
===={{anchor|TMM}}BIG-IP history==== On September 7, 2004, F5 Networks released version 9.0 of the BIG-IP software in addition to appliances to run the software. Version 9.0 also marked the introduction of the company's TMOS architecture,<ref>{{Cite news|url=http://packetpushers.net/what-the-heck-is-f5-networks-tmos/|title=What The Heck Is F5 Networks' TMOS? - Packet Pushers -|date=2013-04-20|newspaper=Packet Pushers|language=en-US|access-date=2016-12-01}}</ref> with enhancements including:
* The move from BSD to Linux to handle system management functions (disks, logging, bootup, console access, etc.) * The creation of a Traffic Management Microkernel (TMM) to directly talk to the networking hardware and handle all network activities.<ref name="embedded-tmos" /><ref>{{cite web | url = http://support.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/tmos_management_guide_10_1/tmos_appendix_c_system_services.html | title = Manual Chapter: Understanding Core System Services | access-date = 2013-12-02 | publisher = f5.com | archive-date = 2013-12-03 | archive-url = https://web.archive.org/web/20131203025950/http://support.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/tmos_management_guide_10_1/tmos_appendix_c_system_services.html | url-status = dead }}</ref><ref>{{cite web | url = http://support.f5.com/kb/en-us/solutions/public/3000/200/sol3242.html | title = Overview of BIG-IP Traffic Management Microkernel (TMM) CPU and RAM usage | access-date = 2013-12-02 | publisher = f5.com }}</ref>
=== F5 NGINX === Since the NGINX, Inc. acquisition in 2019, F5 has offered an enterprise offering of NGINX with advanced features, multiple support SLAs, and regular software updates.<ref>{{Cite web |date=2023-07-11 |title=Datasheets |url=https://www.nginx.com/resources/datasheets/ |access-date=2023-09-22 |website=NGINX |language=en-US}}</ref>
=== F5 Distributed Cloud Services === During F5 Agility 2022, F5 announced a new product offering being built on the platforms of BIG-IP, Shape Security, and Volterra.<ref>{{Cite web|title=F5 Agility 2022|url=https://agility2022.f5agility.com/home.html|access-date=2022-02-19|website=agility2022.f5agility.com|language=en-US}}</ref> The primary offering in this suite is the SaaS-based web application and API protection (WAAP). F5 Distributed Cloud Services enable organizations to deploy, secure, and manage their applications across various environments, including data centers, multi-cloud setups, and the network or enterprise edge.{{cn |date=March 2025}}
== Acquisitions ==
=== MantisNet, Inc. === In August 2025, F5 acquired MantisNet, Inc., a company specializing in real-time network observability using extended Berkeley Packet Filter (eBPF) technology. MantisNet’s tools provided telemetry and visibility into encrypted traffic within containerized environments. The acquisition was intended to support observability and monitoring in cloud-native architectures.<ref>{{Cite web |date=2025-08-20 |title=F5 acquires MantisNet to expand cloud-native observability capabilities |url=https://siliconangle.com/2025/08/20/f5-acquires-mantisnet-expand-cloud-native-observability-capabilities/ |access-date=2025-09-10 |website=SiliconANGLE |language=en-US}}</ref>
=== Fletch, Inc. === In June 2025, F5 acquired Fletch, Inc., a cybersecurity startup founded in 2020 that developed agentic AI tools for threat detection and prioritization. Fletch’s technology was designed to analyze large volumes of threat intelligence and reduce alert fatigue by surfacing relevant security signals. The acquisition was part of a broader industry trend of integrating AI-based threat analysis into security platforms.<ref>{{Cite web |last=Bradley |first=PJ |last2= |date=June 23, 2025 |title=F5 Expands AI Security Reach with Fletch Acquisition |url=https://securitybuzz.com/industry-news/f5-expands-ai-security-reach-with-fletch-acquisition/ |access-date=2025-10-24 |website=Security Buzz |language=en-US}}</ref>
=== {{Not a typo|uRoam}}, Inc. ===
F5 acquired {{Not a typo|uRoam}}, Inc. in 2003 for a total cash deal size of $25 million.<ref>{{Cite web |last=Greene |first=Tim |date=2003-07-23 |title=F5 buys uRoam to strengthen access and authentication offering |url=https://www.networkworld.com/article/2335406/f5-buys-uroam-to-strengthen-access-and-authentication-offering.html |access-date=2023-09-27 |website=Network World |language=en}}</ref> The strategic intent behind F5 Networks' acquisition of {{Not a typo|uRoam}} was to diversify its product offerings beyond its core application delivery and security services. This move aimed to address the growing demand for secure remote access to corporate networks and applications, aligning with industry trends.{{cn|date=March 2025}}
=== MagniFire Websystems, Inc. === F5 acquired MagniFire Websystems in 2004 for a total cash deal size of $29 million. This acquisition allowed F5 to enter the web application security space within the BIG-IP platform.<ref>{{Cite web |last=Greene |first=Tim |date=2004-06-01 |title=F5 buys Magnifire for $29 million |url=https://www.networkworld.com/article/2333530/f5-buys-magnifire-for--29-million.html |access-date=2023-03-30 |website=Network World |language=en}}</ref> MagniFire Websystems products were sold independently when the deal first closed, then were quickly bundled into the BIG-IP product group.{{cn|date=March 2025}}
=== Swan Labs Corporation === In September 2005, F5 announced they had acquired Swan Labs for a total of $43 million to incorporate WAN optimization and application acceleration technology into the BIG-IP platform, specifically to improve their load balancing offering.<ref>{{Cite web |last=Dubie |first=Denise |date=2005-09-07 |title=F5 to acquire Swan Labs |url=https://www.networkworld.com/article/2313942/f5-to-acquire-swan-labs.html |access-date=2023-03-30 |website=Network World |language=en}}</ref>
=== Traffix Systems, Inc. === In 2005, F5 Networks, Inc. at the time, now F5, Inc., announced it has acquired Traffix Systems for a total value of $135 million. Traffix Systems product was integrated within the F5 BIG-IP Local Traffic Manager (LTM) product line.<ref>{{Cite web |date=2023-07-25 |title=Acquisitions by F5 Networks |url=https://tracxn.com/d/acquisitions/acquisitionsbyF5-Networks |access-date=2023-08-24}}</ref>
=== Acopia Networks, Inc. === In August 2007, F5, Inc., at the time, F5 Networks, Inc., announced they acquired Acopia Networks, Inc. to add file-area networking to the F5 BIG-IP application-delivery product line, also known as the Local Traffic Manager (LTM) module on the BIG-IP platforms.<ref name="Connor">{{Cite web |last=Connor |first=Deni |date=2007-08-06 |title=F5 Networks to acquire Acopia Networks |url=https://www.networkworld.com/article/2293590/f5-networks-to-acquire-acopia-networks.html |access-date=2023-03-30 |website=Network World |language=en}}</ref> The deal was valued at $210 million.<ref name="Connor"/>
=== LineRate Systems, Inc. === In February 2013, F5 Networks acquired LineRate Systems, a developer of software-defined networking (SDN) services, to enhance its application-layer intelligence within software-defined data centers. This acquisition provided F5 with access to LineRate's layer 7+ networking services technology, intellectual property, and engineering talent. The company says that the integration of LineRate's programmable network capabilities bolstered F5's efforts to extend its market leadership in SDN services.{{cn |date=April 2026}}
=== Defense.Net, Inc. === In May 2014, F5, Inc. (then F5 Networks, Inc.) announced it had acquired Defense.Net, Inc., a company offering cloud-based DDoS mitigation services.{{cn|date=April 2026}} The Defense.Net product would later become F5 Silverline. As of December 2022, the Silverline brand was retired, and the managed service offerings Silverline offered were merged into the F5 Distributed Cloud Services product portfolio.<ref>{{Cite news |title=F5 Silverline DDoS Protection {{!}} DevCentral |url=https://community.f5.com/kb/technicalarticles/%C2%ADf5-silverline-ddos-protection/274431 |archive-url=https://web.archive.org/web/20241011072039/https://community.f5.com/kb/technicalarticles/%C2%ADf5-silverline-ddos-protection/274431 |archive-date=2024-10-11 |access-date=2025-02-20 |work=DevCentral - an F5 Community |language=en |url-status=live }}</ref>
=== NGINX, Inc.=== In March 2019, F5 acquired NGINX, Inc., a company responsible for widely used open-source web server software, for $670 million.<ref>{{cite web|title=F5 acquires NGINX for $670M to move into open-source, multi-cloud services|url=https://techcrunch.com/2019/03/11/f5-acquires-nginx-for-670m-to-move-into-open-source-multi-cloud-services/|access-date=2024-02-14|website=TechCrunch|date=11 March 2019 |language=en-US}}</ref>
On 18 January 2022, original NGINX developer Igor Sysoev left F5, Inc. Later on, forks maintaining open-source licenses such as Angie and freenginx started being developed.{{cn |date=April 2026}}<ref>{{Cite web |last=Darkcrizt |date=2022-11-03 |title=Angie, the Nginx fork created by developers who left F5 |url=https://blog.desdelinux.net/en/angie-the-nginx-fork-created-by-devs-who-ditched-f5/ |access-date=2023-12-14 |website=Desde Linux |language=en}}</ref><ref>{{Cite web |title=Angie: A New NGINX Fork Developed by Some of Its Former Devs |url=http://vuink.com/post/yvahkvnp-d-dpbz/angie-web-server-is-a-new-nginx-fork |access-date=2023-12-14 |website=Vuink.com |language=en}}</ref> Igor Sysoev is not actively involved in this project.<ref>{{Cite web |last=Borisov |first=Bobby |date=2022-10-31 |title=Angie: A New NGINX Fork Developed by Some of Its Former Devs |url=https://linuxiac.com/angie-web-server-is-a-new-nginx-fork/ |access-date=2023-12-14 |website=Linuxiac |language=en-US}}</ref><ref>{{Cite web |title=Core NGINX Developer Forks Web Server Into Freenginx |url=https://www.phoronix.com/news/Nginx-Forked-To-Freenginx |access-date=2024-02-15 |website=www.phoronix.com |language=en |last=Larabel |first=Michael |date=2024-02-14}}</ref>
=== Shape Security, Inc. === In January 2020, F5 acquired Shape Security, Inc., an AI-based bot detection company, for $1 billion.<ref>{{Cite web|last=Condon|first=Stephanie|title=F5 to acquire Shape Security for approximately $1 billion|url=https://www.zdnet.com/article/f5-to-acquire-shape-security-for-approximately-1-billion/|access-date=2021-03-31|website=ZDNet|language=en}}</ref> F5 Networks then used the acquisition to introduce a new fraud detection engine.<ref>{{Cite web|last=Gagliordi|first=Natalie|title=F5 Networks intros new fraud detection engine based on Shape Security acquisition|url=https://www.zdnet.com/article/f5-networks-intros-new-fraud-detection-engine-based-on-shape-security-acquisition/|access-date=2020-10-07|website=ZDNet|language=en}}</ref>
=== Volterra, Inc. === In January 2021, F5 acquired Volterra, Inc., an edge networking company that sells SaaS security services, for $500 million.<ref>{{Cite news|date=2021-01-07|title=F5 Networks Reaches $500 Million Deal for Startup Volterra|language=en|work=Bloomberg.com|url=https://www.bloomberg.com/news/articles/2021-01-07/f5-networks-is-said-to-near-500-million-deal-for-volterra|access-date=2021-03-31}}</ref> The previously Volterra-branded products were incorporated into F5 Distributed Cloud Services, as of 2022.<ref name="f5.com">{{Cite web |title=F5 Strengthens Protection of the Digital World with F5 Distributed Cloud Services |url=https://www.f5.com/company/news/press-releases/f5-protection-digital-world-f5-distributed-cloud-services |access-date=2022-07-18 |website=www.f5.com |language=en-US}}</ref>
===Threat Stack, Inc.=== In October 2021, F5 acquired Threat Stack, Inc., a Boston cloud computing security startup company for a reported $68 million.<ref>{{Cite web|last=Page|first=Carly|title=F5 acquires cloud security startup Threat Stack for $68 million|url=https://techcrunch.com/2021/09/20/f5-acquires-cloud-security-startup-threat-stack-for-68-million/|website=Tech Crunch|date=20 September 2021 |language=en}}</ref>{{cn |date=April 2026}} As of December 15, 2022, the previous Threat Stack offering has been rolled into the F5 Distributed Cloud platform.{{cn |date=April 2026}}
=== Lilac Cloud, Inc. === In January 2023, F5 announced it had entered into an agreement to purchase Lilac Cloud, an application services delivery provider. Lilac Cloud, based in Cupertino, California, was F5's CDN provider for its Distributed Cloud Services. The entire Lilac Cloud offering will be rolled into the overall F5 Distributed Cloud Services product line.{{cn|date=March 2025}}
=== Suborbital Software Systems, Inc. === In July 2023, Suborbital Software Systems, Inc., a technology startup that aimed to build cloud-native platforms on WebAssembly, announced it had been acquired by F5, Inc. The details of this acquisition were not disclosed due to the small nature of Suborbital's operations. The entire Suborbital product will be used within the F5 Distributed Cloud Services product line.{{cn |date=March 2025|reason=this whole subsection is uncited}}
=== Wib Security, Inc. === In February 2024 at AppWorld, F5's application security and delivery conference in San Jose, California, F5 announced it had acquired Wib: an API security company based in Tel Aviv, Israel, focused on vulnerability detection and observability in application development. The financial details of the Wib acquisition were not disclosed. As of February 2024, F5 was adding the Wib API intellectual property to the F5 Distributed Cloud Services product line.{{cn |date=April 2026}}
=== Heyhack === In March 2024, F5 announced it had acquired Heyhack ApS, a Denmark-based and operated security penetration SaaS company.{{cn |date=April 2026}} The financial details of this acquisition were not disclosed. F5 announced Heyhack's intellectual property{{em-dash}}such as its automated security reconnaissance and penetration testing solution{{em-dash}}would be rolled into the F5 Distributed Cloud Services platform.
=== LeakSignal === In March 2025, F5, Inc. acquired LeakSignal, a cybersecurity company specializing in real-time data protection and governance for AI applications.<ref>{{Cite web |last=Capital |first=T. F. X. |date=2025-03-28 |title=Acquisition of LeakSignal by F5 Addresses Critical Data Projection Gaps {{!}} TFX Capital |url=https://tfxcap.com/acquisition-of-leaksignal-by-f5-addresses-critical-data-projection-gaps/ |access-date=2025-06-01 |language=en-US}}</ref> The acquisition aimed to enhance the F5 Application Delivery and Security Platform (ADSP) with capabilities such as AI-driven data classification, policy enforcement, and compliance monitoring. LeakSignal had been recognized by the National Institute of Standards and Technology (NIST) for its innovations in securing data in transit, and its integration into F5’s portfolio supports the growing need for data protection in generative AI and multicloud environments.{{cn |date=April 2026}}
=== Fletch === In June 2025, F5 acquired Fletch, a San Francisco startup specializing in agentic AI for threat intelligence and alert prioritization. Fletch’s technology ingests disparate threat feeds and internal logs to surface high-value security signals in real time, reducing noise and aiding operator decision-making. With its 15-member team joining F5, the acquisition enhances the F5 Application Delivery and Security Platform with AI-native threat context and automation.{{cn|date=April 2026}}
=== MantisNet === In August 2025, F5 acquired MantisNet, a Reston-based provider of eBPF-powered, cloud-native network observability and real-time network intelligence. MantisNet’s agentless telemetry technology enables visibility into encrypted, ephemeral, and east–west traffic without performance overhead. The integration with the F5 Application Delivery and Security Platform gives operators deeper insight into containerized environments and 5G architectures while streamlining observability and security functions in cloud-native deployments.{{cn|date=April 2026}}
=== CalypsoAI === In September 2025, F5 announced its intent to acquire CalypsoAI, a Dublin-based startup specializing in runtime AI security and adaptive guardrails, for approximately US $180 million. CalypsoAI’s platform offers techniques such as red teaming, inference-layer defenses, and policy enforcement suited for generative and agentic AI workloads. Once closed, the acquisition is expected to strengthen F5’s ADSP by embedding enterprise-grade AI security across AI deployment lifecycles and reducing risk from AI-specific attack vectors.{{cn|date=April 2026}} On September 29, 2025, F5 said it had completed its acquisition of CalypsoAI and introduced F5 AI Guardrails and F5 AI Red Team.<ref>{{cite web |last=Wormke |first=Shawn |title=F5 completes acquisition of CalypsoAI, introduces F5 AI Guardrails and F5 AI Red Team |url=https://www.f5.com/company/blog/what-are-ai-guardrails |website=F5 |date=29 September 2025 |access-date=18 May 2026}}</ref>
==References== {{Reflist}}
==External links== {{Finance links | name = F5, Inc. | symbol = FFIV | sec_cik = 1048695 | yahoo = FFIV | google = FFIV:NASDAQ }}
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{{S&P 500 companies}} {{authority control|state=expanded}}
Category:1999 initial public offerings Category:Computer companies of the United States Category:Computer hardware companies Category:American companies established in 1996 Category:Software companies established in 1996 Category:Companies listed on the Nasdaq Category:Computer security companies Category:DDoS mitigation companies Category:Deep packet inspection Category:Networking companies of the United States Category:Networking hardware companies Category:Networking software companies Category:Software companies based in Seattle Category:1996 establishments in Washington (state) Category:Software companies of the United States