Today: 23 May 2026
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Cybersecurity 5 March 2026 - 22 May 2026

BlackBerry Jumps 17% After QNX and Security Update

BlackBerry Jumps 17% After QNX and Security Update

BlackBerry Ltd. shares surged over 16% Friday, hitting 52-week highs in Toronto and New York, with Toronto-listed shares reaching CA$10.93. Trading volume in Toronto neared the stock’s average, with 4.65 million shares exchanged. The rally followed news that BlackBerry’s AtHoc platform completed 2026 Class D FedRAMP recertification. No new contract awards were disclosed.
22 May 2026
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BlackBerry Stock Jumps as U.S. Security Win Fuels Its Software Comeback

BlackBerry Stock Jumps as U.S. Security Win Fuels Its Software Comeback

BlackBerry’s Toronto shares closed up 7.9% after its AtHoc crisis-communications platform received renewed U.S. government cloud-security certification. Executives highlighted growth prospects for the QNX embedded-software unit at a CIBC investor conference. The U.S.-listed stock rose about 7.5%. Management cited recent cost cuts and a move to positive cash flow.
21 May 2026
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Fortinet stock hits new high on AI security moves

Fortinet stock hits new high on AI security moves

Fortinet shares closed at a record $122.78 on Friday, up 0.75%, defying a 1.5% drop in the Nasdaq composite. The stock rose 7.6% for the week, boosted by strong first-quarter results and an AI-security partnership with Nvidia. Trading volume reached about 5.5 million shares. U.S. markets are closed for the weekend; Fortinet will present at J.P. Morgan’s technology conference on Tuesday.
16 May 2026
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Quantum Cyber Stock Surges As Drone Deal And Ex-VA Chief Put Defense Pivot In Focus

Quantum Cyber Stock Surges As Drone Deal And Ex-VA Chief Put Defense Pivot In Focus

Quantum Cyber N.V. appointed former acting U.S. Veterans Affairs Secretary Peter M. O’Rourke Sr. to its board Thursday, a day after announcing an exclusive drone technology license with BP United Inc. Shares surged 264% over the past week, reaching $1.34 premarket. The company, recently renamed from Mainz Biomed, reported a $16.2 million net loss and under $1 million in cash for 2025.
14 May 2026
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CrowdStrike Holdings Stock Jumps 8% as AI Cybersecurity Rally Meets CEO Share Sale

CrowdStrike Holdings Stock Jumps 8% as AI Cybersecurity Rally Meets CEO Share Sale

CrowdStrike shares rose 8% Thursday as investors returned to cybersecurity stocks linked to AI demand, despite a weaker S&P 500. CEO George Kurtz sold 5,000 shares under a pre-set plan but retains over 2.2 million shares. The company will report fiscal Q1 2027 results on June 3. CrowdStrike also promoted Amanda Adams to senior vice president of global alliances.
8 May 2026
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CrowdStrike Stock Just Cleared $500 as Cramer, Mizuho Bets Put AI Security Back in Focus

CrowdStrike Stock Just Cleared $500 as Cramer, Mizuho Bets Put AI Security Back in Focus

CrowdStrike shares surged to $503.51 Thursday morning, up $35.44, after launching a new mobile partner app and naming key partner award winners at its Americas Partner Symposium. The stock rebounded from a Wednesday drop, following an upgrade from Mizuho and renewed investor focus on its AI-security strategy. Fourth-quarter revenue rose 23% to $1.31 billion, with annual recurring revenue at $5.25 billion as of Jan. 31.
7 May 2026
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Fortinet Stock Surges 12% as Q1 Beat and 2026 Guidance Put AI Security Demand Back in Focus

Fortinet Stock Surges 12% as Q1 Beat and 2026 Guidance Put AI Security Demand Back in Focus

Fortinet shares jumped 12.3% premarket after first-quarter earnings and revenue beat estimates, with adjusted EPS at 82 cents on $1.85 billion revenue. Billings rose 31% to $2.09 billion, and product revenue climbed 41% to $645 million. The company raised its 2026 outlook, now guiding for up to $7.87 billion in annual revenue. CEO Ken Xie cited strong demand and AI-driven security threats.
7 May 2026
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Fortinet Stock Jumps After Earnings Beat as AI Security Demand Lifts Outlook

Fortinet Stock Jumps After Earnings Beat as AI Security Demand Lifts Outlook

Fortinet shares jumped up to 24% after the company raised its full-year revenue outlook and posted first-quarter revenue of $1.85 billion, beating estimates. Billings climbed 31% to $2.09 billion, and free cash flow hit a record $1.01 billion. Fortinet also launched new firewalls aimed at AI-driven workloads, positioning itself against rivals like Palo Alto Networks and Cisco.
7 May 2026
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Akamai Stock Is Jumping Before Earnings: The API Security Bet Investors Are Watching

Akamai Stock Is Jumping Before Earnings: The API Security Bet Investors Are Watching

Akamai shares jumped about 10% Tuesday after launching new API security tools ahead of its first-quarter earnings report, with the stock near $116 and a market value of $16.8 billion. The company said its Security Posture Center will help firms measure and control API risks as incidents tied to AI rise. Cloudflare and Fastly also saw double-digit gains. Akamai’s earnings call is set for Thursday at 4:30 p.m. ET.
5 May 2026
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Zscaler Stock Jumps 7%: Why ZS Is Rallying While AI-Security Doubts Linger

Zscaler Stock Jumps 7%: Why ZS Is Rallying While AI-Security Doubts Linger

Zscaler shares rose 6.99% to $139.81 on May 1, with trading volume near 2.9 million, as technology stocks rallied and the Nasdaq Composite closed above 25,000 for the first time. The gain followed stronger earnings and forecasts from software peers like Atlassian. Zscaler’s market value stood at $22.5 billion, well below its 52-week high of $336.99. Analysts remain mixed, with some cutting price targets despite maintaining Buy ratings.
2 May 2026
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Stryker Corporation Stock Slides After Cyberattack Hits Q1 Earnings — Why the 2026 Outlook Still Holds

Stryker Corporation Stock Slides After Cyberattack Hits Q1 Earnings — Why the 2026 Outlook Still Holds

Stryker missed first-quarter profit and revenue estimates after a March cyberattack disrupted operations, reporting net sales of $6.0 billion and adjusted earnings per share of $2.60. Shares fell 6.47% to $294.73 on May 1. The company said the incident had a material impact on the quarter but kept its 2026 outlook unchanged. Some delayed sales and procedures may shift into later quarters.
2 May 2026
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Palo Alto Networks Stock Jumps as AI Cyber Fears Become Its Next Big Test

Palo Alto Networks Stock Jumps as AI Cyber Fears Become Its Next Big Test

Palo Alto Networks shares closed up 3.08% at $178.54 on Friday, outpacing cybersecurity peers after Japan announced a financial-sector cybersecurity task force over concerns tied to Anthropic’s Mythos AI model. The company continues heavy spending on acquisitions and integration, aiming to capture demand from large organizations worried about AI-driven cyber threats.
25 April 2026
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CrowdStrike Stock Rises After Wolfe Upgrade as Anthropic AI Fears Turn Into Cybersecurity Spending Bet

CrowdStrike Stock Rises After Wolfe Upgrade as Anthropic AI Fears Turn Into Cybersecurity Spending Bet

CrowdStrike shares rose about 3% premarket Monday after Wolfe Research upgraded the stock to Outperform, citing expected higher security spending tied to Anthropic’s upcoming AI model. Wolfe set a $450 price target and said the new AI could trigger a “machine speed cyberwar.” CrowdStrike reported $5.25 billion in annual recurring revenue earlier this month. Friday’s AI-driven selloff hit other cybersecurity stocks, including Palo Alto Networks and Zscaler.
30 March 2026
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CrowdStrike Stock Back in Focus as Cybersecurity Spending Holds Up, AI Debate Shifts

CrowdStrike Stock Back in Focus as Cybersecurity Spending Holds Up, AI Debate Shifts

CrowdStrike shares closed Thursday up 1.75% at $392.62, still 31% below their 52-week high. The company launched Charlotte AI AgentWorks with partners including AWS and Anthropic at the RSA Conference on March 25. Fiscal 2026 revenue rose 22% to $4.81 billion, with annual recurring revenue at $5.25 billion. IBM expanded its partnership, integrating CrowdStrike’s AI into its threat-operations system.
27 March 2026
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Amazon AWS shifts defense AI workloads off Anthropic’s Claude after Pentagon supply-chain risk move

Amazon AWS shifts defense AI workloads off Anthropic’s Claude after Pentagon supply-chain risk move

Amazon’s cloud unit is moving Pentagon-related workloads off Anthropic’s Claude AI after the Pentagon labeled Anthropic a supply-chain risk. The move follows Anthropic’s refusal to remove safety limits on its AI, prompting a lawsuit against the government. Other agencies and contractors are also shifting away from Anthropic. Amazon remains a key Anthropic partner, with up to $8 billion invested.
10 March 2026
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Netskope Inc rolls out AI Guardrails ahead of March 11 earnings as enterprise AI security race heats up

Netskope Inc rolls out AI Guardrails ahead of March 11 earnings as enterprise AI security race heats up

Netskope announced general availability of its AI Guardrails product ahead of its March 11 AI launch event and earnings report. The company is targeting businesses seeking to control employee use of generative AI amid rising data breaches. Netskope also rolled out NewEdge AI Fast Path and a healthcare integration with Imprivata. The firm raised $908.2 million in its September IPO and competes with Zscaler, Cisco, and Palo Alto Networks.
6 March 2026
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RELX’s LexisNexis hit by data breach scare after hacker leak — what was taken

RELX’s LexisNexis hit by data breach scare after hacker leak — what was taken

LexisNexis Legal & Professional contained a security breach after an unauthorized party accessed legacy servers holding mostly deprecated pre-2020 data, the company said. The group FulcrumSec claimed to have stolen 2GB of data, including 400,000 personal records and contract details, though figures remain unverified. LexisNexis said no active passwords or payment details were exposed. RELX separately disclosed a share buyback of 500,000 shares.
5 March 2026
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Stock Market Today

  • Zeta Global Holdings (ZETA) Stock Appears Undervalued After Recent Price Recovery
    May 22, 2026, 6:14 PM EDT. Zeta Global Holdings (ZETA) shares closed at $18.05, reflecting an 8.9% gain over the past week and a 36% increase over the last year, despite a 9.3% decline year-to-date. Recent investor interest focuses on reassessing growth potential and risks compared to software industry peers. A Discounted Cash Flow (DCF) analysis estimates the intrinsic value at $27.77 per share, suggesting ZETA is undervalued by approximately 35%. This model uses projected free cash flows to equity, forecasting growth out to 2035. Additionally, Zeta earns a 5 out of 6 valuation score, signaling attractive potential based on current financial metrics and market sentiment shifts. Investors may consider these factors in evaluating ZETA's future prospects in a competitive software sector.

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POET Stock Falls Again as $400 Million AI Optics Bet Puts Dilution in Focus

POET Stock Falls Again as $400 Million AI Optics Bet Puts Dilution in Focus

23 May 2026
TORONTO, May 22, 2026, 18:04 EDT POET Technologies Inc. shares closed lower on Friday, slipping 1.55% to $14.59 on Nasdaq and easing to $14.54 in after-hours trade, as investors kept working through a volatile week for the AI-photonics stock. Volume was 33.4 million shares, down from the 100.6 million-share rush seen on May 15 but still heavy for a small technology name. (StockAnalysis) The move matters because POET has just added a large amount of capital, and a large amount of potential dilution. The company said this week it closed a $400 million non-brokered offering to one institutional investor, issuing
Artelo Biosciences Stock Just Whipsawed — Here’s What Traders Are Watching Now

Artelo Biosciences Stock Just Whipsawed — Here’s What Traders Are Watching Now

23 May 2026
Artelo Biosciences shares fell 10.5% to $1.19 Friday, then jumped to $2.01 in after-hours trading. The company activated a $75 million shelf registration May 19 and ended its at-the-market stock-sale agreement after raising $451,527. Artelo reported a Q1 net loss of $3 million and held $10.3 million in cash and investments as of March 31.
Starfighters Space Stock Leaps 40% on $17.5 Million Cash Deal

Starfighters Space Stock Leaps 40% on $17.5 Million Cash Deal

23 May 2026
Starfighters Space Inc. shares rose to $7.20 Friday after announcing a $17.5 million private placement to fund its STARLAUNCH program. The company will sell 5.2 million shares at $3.35 each, with closing expected May 27. Starfighters reported no revenue and a $4.27 million net loss last quarter. The deal brings dilution risk for current shareholders.
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