Cyber
The Signal's coverage of Cyber stocks β sharp analysis on earnings, contracts, and market-moving catalysts.
Zscaler's Agentic SOC Answers the AI Safety Panic With Agents That Hunt Agents
An AI-safety scare out of Anthropic knocked chip stocks lower and sent cybersecurity names the other way, and Zscaler led the group with a double-digit intraday...
Fortinet's Real Moat Is the Silicon Under the Firewall
Fortinet's moat is not the firewall software but the silicon underneath: FortiASIC processors (NP7, CP9, SP5) and a single FortiOS operating system spanning fir...
Palo Alto Had Its Best Quarter Ever. Investors Sold Anyway.
Palo Alto's first-ever platform-level revenue disclosure shows the firewall has become the slow part: Network & AI Security grew 17% while Cortex, machine-ident...
Zscaler's Selloff Was About Next Year, Not This One
Zscaler closed its best year ever β revenue up 25% to $3.4 billion, a record 24.3% operating margin, AI-security bookings past $100 million and up 50% quarter o...
The Mythos Moment Finally Landed: CrowdStrike Is Now the Security Layer of the AI Buildout
CrowdStrike ripped roughly 20% higher on August 27 after a record Q2 β net-new ARR of $332.8M accelerating to 51% growth, first meaningful GAAP profit, record f...
Rubrik's Big Pivot: From Backup Vendor to the Gatekeeper of AI's Data
Rubrik is no longer selling backups β it's selling the last line of defense for the AI era. Immutable snapshots, agentic recovery, DSPM, and AI-agent governance...
Okta: The Last Independent Identity Platform Is the Picks-and-Shovels Play on Agentic AI
Okta is the only large independent identity platform left standing after the category's consolidation wave, and it sits at the enforcement point of the agentic ...
Cloudflare's Growth Keeps Accelerating β the Stock Is Priced for Perfection
Cloudflare delivered its third straight quarter of accelerating growth in Q2 2026: revenue rose 35.9% to $696.1 million, full-year guidance jumped by $60 millio...
Palo Alto Networks Is Winning the AI Security Supercycle β Now Comes the Hard Part
Palo Alto Networks' platform bet is paying off: Q3 FY26 NGS ARR hit $8.13 billion, up 60%, with organic growth of 28% and guidance raised across the board. Cybe...
Zscaler's Cloud-Native Zero Trust Moat: Why the Proxy Architecture Still Wins
Zscaler processes more than 500 billion daily transactions through a cloud-native Zero Trust Exchange that legacy firewall vendors have not been able to replica...
Fortinet Is the Cybersecurity Bet Nobody's Talking About Enough After OpenAI's Rogue Agent Attack
When GPT-5.6 Sol went rogue on July 21, exploiting zero-days and compromising Hugging Face's production infrastructure over 2.5 days, it became the first autono...
Data Resilience Is Eating the Cyber Budget β and Rubrik Owns the Category
Rubrik's structural bull case isn't about backup market share β it's about category creation. As data resilience splits from cybersecurity into its own boardroo...
Cloudflare Is Betting $93 Billion on an Edge Nobody's Built Yet
Cloudflare is staking a $93B market cap on becoming the planet's AI edge inference layer. With $2.33B in TTM revenue growing 33.5%, 73.3% gross margins, and $29...
SentinelOne Got Destroyed by the Market. The Business Has Never Been Stronger.
SentinelOne has been beaten down 63% from its 52-week high, but the underlying business tells a completely different story. Revenue of $1.049 billion TTM growin...
Fortinet Is Boring. That's Why It's the Best Cyber Stock Out There.
While Palo Alto, CrowdStrike, and Zscaler dominated headlines with AI hype and growth-at-any-cost narratives, Fortinet has been quietly printing money β 27.5% n...
Rubrik's Category Bet: 80% Margins, 40% Growth, Zero Backup Labels
Rubrik's IPO was one of 2024's biggest. Two years later, the company has nearly doubled revenue, flipped to profitability, and proven that 'cyber resilience' is...
Zscaler Just Got Destroyed β Here's Why Buying the Panic Makes Sense
Zscaler cratered 31% in a single session after soft guidance and a sales leadership shakeup spooked the market β but with 77% gross margins, $2.46B in deferred ...
Palo Alto Networks Looks Like a Money-Loser on Paper. It's Actually a $3.8 Billion Cash Machine.
Palo Alto Networks generated $3.79 billion in free cash flow over the last twelve months despite reporting GAAP losses β and that cash-generation machine, power...
Bots Just Took Over the Internet. Cloudflare Is Building the Immune System.
Cloudflare's Precursor launch marks a turning point: bots now outnumber humans on the web. With $2.33B in TTM revenue (+33.5% YoY), $292M in FCF, and a platform...
Zscaler Blew Up in May. Its AI Security Business Is the Real Story.
Down 36% YTD after a brutal guidance reset, Zscaler's AI security revenue is growing 80%+ and Wall Street is starting to call the sell-off overdone.
Palo Alto Networks' Platformization Play Is A $265B Juggernaut β Don't Call It A Firewall Company Anymore
Palo Alto Networks (PANW) is executing a masterful platformization strategy, consolidating cybersecurity from 50+ vendors to 4 core platforms. With NGS ARR at $...
CrowdStrike Just Hit $197B. Here's How the Comeback Kid Became the King
CrowdStrike (CRWD) just hit a $197.5 billion market cap with a 71% YTD rally, record ARR of $5.51 billion, and its first GAAP-profitable quarter. Here's how the...
Zscaler: The Zero Trust Titan Caught in the Growth Deceleration Trap
Zscaler (ZS) delivered a Q3 FY2026 earnings beat but saw its stock crash 31% after guiding 16-17% ARR growth for FY2027. Despite $890M in free cash flow, a zero...
The $2B Cash Machine Nobody's Pricing: CrowdStrike Just Made AI Insecurity Its Best Product
CrowdStrike launched its Unified AI Security Platform on June 29, cementing its position as the AI-native cybersecurity leader. With $1.93B in free cash flow, a...
SentinelOne: The $5.4B Cybersecurity Giant Nobody's Talking About
SentinelOne (S) is the $5.4B AI-native cybersecurity platform with $657M cash, zero debt, 73% gross margins, and 21% revenue growth. While CrowdStrike hogs head...
The Lazarus Trade: CrowdStrike Weaponized the Worst IT Disaster in History β Now It's Splitting 4-for-1
CrowdStrike turned the July 2024 outage into an AI-powered cybersecurity moat. $5.51B ARR, 97% renewal rate, Charlotte AI making the SOC autonomous, and a 4-for...
Cloudflare Just Bet the Company on AI Agents. The Post-Earnings Selloff Was Greed Talking.
Cloudflare laid off 1,100 people to go all-in on AI agents, and the market punished the stock 24%. But underneath the margin compression panic, the Workers plat...
From Blue Screen to Green Prints: CrowdStrike's Impossible Comeback
CrowdStrike's 2024 outage crashed 8.5M Windows systems and was supposed to be a death sentence. Instead, 97% customer retention, $5B+ revenue, $3.2B in Falcon F...
The Outage That Was Supposed to Kill CrowdStrike Built an AI Moat Nobody Can Touch
CrowdStrike turned its July 2024 outage into an AI-powered data moat. $5.25B ARR, 97% gross retention, and Charlotte AI AgentWorks position CRWD at the center o...
SentinelOne Reaches Non-GAAP Profitability: AI-Native Security at a Fifth of CrowdStrike's Valuation
SentinelOne hit non-GAAP profitability for the first time, crossed $1B ARR, and generated $268M in FCF β all with zero debt. The stock dropped 8% on AI realloca...
Rubrik Just Dropped a Flawless Quarter β And Wall Street Is Yawning. That's the Opportunity.
A 39% revenue jump, $1.57 billion in ARR, and a wave of analyst price target hikes couldn't stop Rubrik from sliding. For investors who can look past the noise,...
CrowdStrike Raises Guidance and Splits Stock 4-for-1: Shares Still Fell 9%
CrowdStrike posted strong fiscal first-quarter results and raised its full-year outlook, surprising Wall Street with a 4-for-1 stock split set for July 2026. De...
Palo Alto Networks Is NATO's New Cyber Shield β And the Stock Just Hit an All-Time High
Palo Alto Networks was selected by NATO for a formal cybersecurity partnership alongside Microsoft and ESET, sending the stock to an all-time high above $300 an...
The Mythos Threat: Why Anthropic Locked Up Its Own AI
Anthropic's Claude Mythos is not your average language model β it's an autonomous offensive AI that can find and exploit software vulnerabilities at machine spe...
AI Is Now the Attacker: Palo Alto Networks Just Got 5 Analyst Upgrades in 10 Days
Palo Alto Networks has surged 32% in seven trading days and 70% year-to-date as a wave of analyst upgrades pours in. The driver isn't just momentum β it's a str...
Anthropic's Claude Mythos Has Already Found 10,000+ Critical Bugs β And It's Not Even Public Yet
Anthropic published the first Project Glasswing progress report, revealing Claude Mythos Preview has helped partners find over 10,000 vulnerabilities in one mon...
Defense AI's First Big Shakeout: Pentagon Clears Grok While Palantir Holds the Center
The Pentagon has approved Elon Musk's xAI to integrate Grok into classified military networks, marking one of the most significant defense AI deals of 2026. The...
Anthropic Just Made Palo Alto Networks Indispensable
The cybersecurity sector was panicking that AI would make defense tools obsolete. Then Anthropic launched Project Glasswing with Palo Alto Networks as a core pa...
The 32% Silent Assault: Why PANW's Seven-Day Tear Is Just the Opening Act
Palo Alto Networks (PANW) ripped 23.5% higher in a seven-session winning streak, smashing through all-time highs as Oppenheimer lifted its price target to $275....
Rubrik Is Growing Like a Rocket β And Wall Street Is Just Waking Up
Rubrik's Q3 FY25 revenue hit $236M, up 43% YoY, with subscription ARR crossing $1.04B. The IPO darling now trades at 2.6x its $32 offering price β and with half...
CrowdStrike vs Palo Alto Networks: Two Cybersecurity Giants, One Winner?
CrowdStrike and Palo Alto Networks have both surged in 2026, but their paths to growth are diverging. This head-to-head analysis compares revenue growth, margin...