Headquarters
Santa Clara, CAFounded
2005CEO / Founder
Nikesh AroraEmployees
10000+Funding
PublicStock
PANWProducts
1 product listedAvg. AI Score
8.2/10Website
paloaltonetworks.comProfile updated
Palo Alto Networks is a multinational cybersecurity company founded in 2005 in Santa Clara, California by Nir Zuk, a former Check Point engineer. The company offers network security (firewalls), cloud security (Prisma Cloud), security operations (Cortex), and secure access service edge (SASE) products.
Palo Alto Networks serves more than 85,000 enterprise customers globally. The company has been a consistent leader in network firewalls and has expanded aggressively into cloud security, SASE, and AI-powered security operations.
Palo Alto Networks went public on NYSE in 2012 (PANW). Nikesh Arora has served as CEO since 2018. The company generates over $8 billion in annual revenue and has a market capitalization over $110 billion.
Dated, source-cited figures. Estimates are marked.
All products by Palo Alto Networks reviewed by our AI panel of experts.
Six independent reviewer personalities assessed Palo Alto Networks's product on their own terms. They landed within 0.8 points of each other, an unusually strong consensus.
Averaged across 1 reviewed product in our catalog. Scores are out of 10.
Who Palo Alto Networks competes with, and how they differ.
Cloud-native application protection platform (CNAPP) built for multi-cloud environments, competing directly with Palo Alto's Prisma Cloud/AI security offerings but with an agentless-first scanning approach and cloud-only focus versus Palo Alto's broader network-plus-cloud portfolio.
1 product reviewed on TopReviewedEndpoint and cloud workload protection vendor built on a lightweight agent and cloud-native Falcon platform, overlapping with Palo Alto's Cortex XDR and AI security products but historically weaker in network firewall hardware.
1 product reviewed on TopReviewedAI-driven endpoint detection and response (EDR/XDR) vendor targeting mid-market and enterprise customers, competing with Palo Alto's Cortex XDR with a more autonomous, agent-based remediation model and simpler licensing tiers.
1 product reviewed on TopReviewedUK-based AI security vendor using unsupervised machine learning for anomaly detection across network and cloud traffic, overlapping with Palo Alto's threat intelligence and AI security products but positioned as a self-learning 'immune system' rather than signature/policy-based network security.
1 product reviewed on TopReviewedNetwork detection and response (NDR) specialist using AI to detect attacker behavior in hybrid cloud and on-prem networks, a narrower but direct overlap with Palo Alto's network security and threat detection capabilities.
1 product reviewed on TopReviewedNetwork security vendor selling integrated firewall appliances and SD-WAN under the FortiGate/Security Fabric architecture, competing head-to-head with Palo Alto's core next-gen firewall business at a generally lower price point.
Key milestones in Palo Alto Networks's history, with sources.
China opens cybersecurity review of its products
China's Cyberspace Administration (CAC) announced a formal security review of Palo Alto Networks products sold in China, citing critical-infrastructure and national-security laws; the company said there was "no impact" to its ability to serve customers in the region. No outcome/resolution has been reported as of this writing.
esecurityplanet.comCompleted acquisition of CyberArk for ~$25 billion
Closed the CyberArk acquisition after 99.8% shareholder approval (Nov 13, 2025) and required US/EU/UK/Israel clearances; paid $2.3 billion cash plus 112 million shares. Identity security became a core platform pillar; Palo Alto Networks also planned a secondary Tel Aviv Stock Exchange listing under "CYBR."
paloaltonetworks.comCompleted acquisition of Chronosphere for $3.35 billion
Closed its acquisition of observability platform Chronosphere (announced November 19, 2025) for total consideration of $3.35 billion in cash and replacement equity, aimed at pairing telemetry with the Cortex AgentiX AI-agent platform.
paloaltonetworks.comSecurities class action permanently dismissed
The consolidated Schlaegel/Schwarz securities-fraud class action (N.D. Cal., filed Feb-Mar 2024 over an Aug 2023-Feb 2024 stock-drop period tied to platformization/billings claims) was dismissed with prejudice by Judge Charles Breyer on Aug 20, 2025, after an earlier April 2025 dismissal with leave to amend failed to cure the pleading; the court found no adequately pled misrepresentation or fraudulent intent.
news.bloomberglaw.comAgreed to acquire CyberArk for ~$25 billion
Entered a definitive agreement to acquire identity-security leader CyberArk (NASDAQ: CYBR); CyberArk holders to receive $45.00 cash plus 2.2005 PANW shares per share, an equity value of roughly $25 billion — Palo Alto Networks' largest acquisition to date.
paloaltonetworks.comCompleted acquisition of Protect AI
Closed its acquisition of Protect AI (announced April 28, 2025), an AI/ML application-security company, to accelerate the Prisma AIRS platform. Protect AI's assets included the open-source Rebuff prompt-injection-detection project, which it had acquired in 2023 and continued to maintain — Rebuff's own history belongs to Protect AI, not to this row.
paloaltonetworks.comTransferred stock listing from NYSE to Nasdaq
Moved its listing from the New York Stock Exchange to the Nasdaq Global Select Market, retaining the ticker "PANW."
paloaltonetworks.comAnnounced acquisition of Expanse for ~$800 million
Agreed to acquire attack-surface-management firm Expanse for approximately $670 million in cash and stock plus $130 million in replacement equity awards (~$800M total), to feed Cortex with an outside-in view of customers' attack surfaces.
paloaltonetworks.comAcquired Twistlock ($410M) and PureSec (undisclosed)
Announced acquisitions of container-security leader Twistlock for $410 million and serverless-security firm PureSec (price undisclosed) to build out the Prisma Cloud portfolio.
sdxcentral.comAcquired Demisto for ~$560 million
Completed acquisition of Demisto, a security orchestration, automation and response (SOAR) vendor; SEC filings put final purchase consideration at $474.2M ($250M cash, $214.7M stock, $9.5M replacement awards). Became the foundation of Cortex XSOAR.
paloaltonetworks.comIPO on the New York Stock Exchange
Priced its IPO at $42.00/share and began trading on the NYSE under "PANW," raising roughly $260 million (~$215.4M net proceeds after underwriting costs).
prnewswire.comFounded by Nir Zuk and Rajiv Batra
Nir Zuk (former Check Point/NetScreen CTO) and Rajiv Batra co-founded Palo Alto Networks in 2005; Sequoia and Greylock funded the company in January 2006. The SEC S-1 confirms the company "was incorporated in 2005 as Palo Alto Networks, Inc., a Delaware corporation" without a specific day.
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