Palo Alto Networks, Inc.

Headquarters inSanta Clara, California
Company type	Public
Traded as	Nasdaq: PANW Nasdaq-100 component S&P 500 component
Industry	Network security Cybersecurity[1] Cloud computing[2]
Founded	March 1, 2005; 20 years ago (2005-03-01)
Founder	Nir Zuk
Headquarters	Santa Clara, California , U.S.
Area served	Worldwide
Key people	Nikesh Arora (CEO)
Products	PA 220, 4x0, 8x0, 32x0, 34x0, 54x0, 70x0, VM, CN firewall series[3] Prisma SASE,[4] Prisma Cloud, CortexXDR, Cortex Xpanse, Cortex XSOAR, Cortex XSIAM
Revenue	US$9.22 billion (2025)
Operating income	US$1.24 billion (2025)
Net income	US$1.13 billion (2025)
Total assets	US$23.6 billion (2025)
Total equity	US$7.82 billion (2025)
Number of employees	16,068 (2025)
Website	paloaltonetworks.com
Footnotes / references Financials as of July 31, 2025[update].[5]

Palo Alto Networks, Inc. is an Americanmultinationalcybersecurity company with headquarters inSanta Clara, California. The core product is a platform that includes advancedfirewalls andcloud-based offerings that extend thosefirewalls to cover other aspects of security. The company serves over 70,000 organizations in over 150 countries, including 85 of theFortune 100.^[6] It is home to the Unit 42 threat research team^[7] and hosts the Ignitecybersecurity conference.^[8] It is a partner organization of theWorld Economic Forum.^[9]

In June 2018, formerGoogle andSoftBank executiveNikesh Arora joined the company asChairman andCEO.^[10]

Palo Alto Networks was founded in 2005 by Nir Zuk,^[11] a formerengineer fromCheck Point andNetScreen Technologies.^[12] Zuk, anIsraeli native, began working with computers during his mandatory military service in theIsrael Defense Forces in the early 1990s^[13] and served as head of software development inUnit 8200, a branch of the Israeli Intelligence Corps.^[14]

The company debuted on theNYSE on July 20, 2012, raising $260 million with itsinitial public offering, which was the 4th-largest tech IPO of 2012.^[15][16][17] It remained on the NYSE until October 2021 when the company transferred its listing toNasdaq.^[18][19]

In 2014, Palo Alto Networks founded the Cyber Threat Alliance withFortinet,McAfee, andNortonLifeLock, anot-for-profit organization with the goal of improving cybersecurity "for the greater good" by encouragingcybersecurity organizations to collaborate by sharing cyber threat intelligence among members.^[20][21] By 2018, the organization had 20 members includingCisco,Check Point,Juniper Networks, andSophos.^[22]

In 2018, the company began opening cybersecurity training facilities around the world as part of theGlobal Cyber Range Initiative.^[23]

In May 2018, the company announcedApplication Framework, an opencloud-delivered ecosystem where developers can publish security services asSaaS applications that can be instantly delivered to customers.^[2]

In 2019, the company announced the K2-Series, a5G-ready next-generation firewall developed for service providers with 5G andIoT requirements.^{[24][better source needed]} In February 2019, the company announced Cortex, anAI-based continuous security platform.^[25]

• January 2014: Morta Security^[26][27]
• April 2014: Cyvera for approximately $200 million^[28][29]
• May 2015: CirroSecure^[30]
• March 2017: LightCyber for approximately $100 million^[31]
• March 2018: Cloud Security company Evident.io for $300 million. This acquisition created the Prisma Cloud division.^[32]
• April 2018: Secdo^[33]
• October 2018: RedLock for $173 million^[34]
• February 2019: Demisto for $560 million^[35]
• May 2019: Twistlock for $410 million^[36]
• June 2019: PureSec for $47 million^[37][38]
• September 2019: Zingbox for $75 million^[39]
• November 2019: Aporeto, Inc. for $150 million^[40]
• April 2020: CloudGenix, Inc. for $420 million^[41]
• August 2020: Crypsis Group for $265 million^[42]
• December 2020: Expanse for $1.25 billion.^[43]
• February 2021: Bridgecrew for $156 million^[44]
• November 2022: Cider Security for $300 million.^[45]
• October 2023: Announced its intent to acquire Dig Security for $400 million^[46][47]
• November 2023:Talon Cyber Security for $625 million^[48]
• December 2023: Dig Security for $400 million^[49]
• July 2025 :Protect AI for $500 million^[50]
• July 2025:CyberArk for $25 billion^[51]
• November 2025: Chronosphere for $3.35 billion (expected to close fiscal 2H 2026)

Unit 42 is the Palo Alto Networks threat intelligence and security consulting team. They are a group of cybersecurity researchers and industry experts who use data collected by the company's security platform to discover new cyber threats, such as new forms of malware and malicious actors operating across the world.^[52] The group runs a popularblog where they posttechnical reports analyzing active threats and adversaries.^[53] Multiple Unit 42 researchers have been named in the MSRC Top 100,Microsoft's annual ranking of top 100 security researchers.^[54] In April 2020, the business unit consisting of Crypsis Group which provided digital forensics, incident response, risk assessment, and other consulting services merged with the Unit 42 threat intelligence team.^[55]

According to theFBI, Palo Alto Networks Unit 42 has helped solve multiplecybercrime cases, such as theMirai Botnet and Clickfraud Botnet cases,^[56] the LuminosityLinkRAT case,^[57][58] and assisted with "Operation Wire-Wire".^[59]

In 2018, Unit 42 discovered Gorgon, a hacking group believed to be operating out of Pakistan and targeting government organizations in the United Kingdom, Spain, Russia, and the United States. The group was detected sendingspear-phishing emails attached to infectedMicrosoft Word documents using an exploit commonly used by cybercriminals andcyber-espionage campaigns.^[60]

In September 2018, Unit 42 discovered Xbash, aransomware that also performscryptomining, believed to be tied to theChinese threat actor "Iron". Xbash is able to propagate like aworm and deletes databases stored on victim hosts.^[61] In October, Unit 42 warned of a new crypto mining malware, XMRig, that comes bundled with infectedAdobe Flash updates. The malware uses the victim's computer's resources to mineMonero cryptocurrency.^[62]

In November 2018, Palo Alto Networks announced the discovery of "Cannon", atrojan being used to target United States and European government entities.^[63][64] Thehackers behind the malware are believed to beFancy Bear, theRussian hacking group believed to be responsible forhacking the Democratic National Committee in 2016. The malware communicates with its command and control server withemail and usesencryption to evade detection.^[65]

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