Upwind Security Raises $400M, Expands AI Security Platform

Key Takeaways

• <ul><li>Upwind Security raised $400M in a Series C at a $3.8B valuation, led by Bessemer Venture Partners</li><li>Upwind's revenue quadrupled in 2026 and it recently declined a $4B acquisition offer from Datadog</li><li>Upwind supports AWS, Microsoft Azure, Google Cloud, and Oracle Cloud with customers including Siemens and Roku</li><li>Scale AI rejected privacy complaints alleging illegal monitoring of 900,000 AI-training freelancers across four European countries</li><li>Google Cloud revenue surged 103% to $30.7B while Search revenue growth slowed to 12% year over year</li><li>Google is expanding AI-powered Search ads internationally with click-through rates comparable to organic listings</li><li>Anthropic earned $16.3B in the first half of the year while losing $80.7B, with a potential IPO valuation of $2 trillion</li><li>Workers using AI on the job rose from 30% in 2023 to 76% in 2025</li><li>Legora uses OpenAI models to power an agentic operating system for legal work, reducing NDA review time by 95%</li><li>Broadcom shares rose 5.4% and TSMC's ADR climbed 2.95% as AI chip stocks led Wall Street higher</li></ul>

Upwind Security raises $400M at $3.8B valuation

Upwind Security raised $400 million in a Series C round led by Bessemer Venture Partners at a $3.8 billion valuation. The company says its revenue quadrupled in 2026, though it did not share specific dollar amounts. The funding will support product development, engineering growth, and expansion into identity, data, and AI security. Upwind was founded in 2022 and has now raised more than $800 million total.

Upwind raises $450 million for AI and cloud security

Upwind raised $450 million in its Series C round to strengthen its AI and cloud security platform. The company is building AI sensors for endpoints, scanners for AI agents and their skills, and a new inventory graph. Upwind also launched AI Labs for Cybersecurity to research future security challenges. CEO Amiram Shachar said security is now a cloud and AI story.

Upwind closes $400M Series C at $3.8B valuation

Upwind Security closed a $400 million Series C round at a $3.8 billion valuation to expand its cloud and AI security platform. The company uses runtime intelligence from cloud workloads, APIs, and AI agents to help security teams understand risks in real time. It supports Amazon Web Services, Microsoft Azure, Google Cloud, and Oracle Cloud. Customers include Siemens, Roku, Carvana, Nubank, Supabase, and ClickUp.

Upwind secures $400 million for AI security funding

Upwind Security raised $400 million in Series C funding led by Bessemer Venture Partners. Canapi Ventures joined as a new investor, and all existing backers returned. The company plans to expand its AI Sensors for endpoints, Agents and Skills scanners, and broaden identity, data, and AI security coverage. Upwind also launched AI Labs for Cybersecurity and introduced Blue, Red, and Green agents to help security teams investigate and fix problems.

Upwind Security raises $400M at $3.8B valuation

Upwind Security raised $400 million in a Series C round at a $3.8 billion valuation, less than nine months after its $250 million Series B. Bessemer Venture Partners led the round, and Canapi Ventures joined as a new investor. The company says revenue quadrupled in 2026 and counts hundreds of customers including Siemens, Roku, and Nubank. Upwind collects runtime intelligence from cloud workloads, APIs, and AI agents instead of using periodic scans.

Upwind Security secures $400 million to expand cloud and AI security platform

Upwind Security Inc. raised $400 million in a Series C round led by Bessemer Venture Partners, bringing its valuation to $3.8 billion. The company uses specialized AI agents to automate security investigations for cloud workloads and APIs. Its revenue quadrupled in 2026, and it serves hundreds of organizations including Siemens AG and Roku Inc. The funds will support product development and market expansion. Upwind recently declined a $4 billion acquisition offer from Datadog Inc.

Scale AI rejects privacy complaints over AI-training worker monitoring

Scale AI rejected privacy complaints filed by group noyb in France, Italy, the Netherlands and Austria. The complaints allege the Outlier platform illegally monitors over 900,000 freelancers who produce AI training data. Scale AI said the claims are unfounded and that workers consent to the practices. The company said it uses standard tools for identity verification and fraud prevention. A spokesperson said workers opt into separate tools that record time and screen activity, and Scale does not sell personal data or use it to train customer AI models.

Scale AI rejects claims it illegally surveils AI-training workers

Scale AI rejected privacy complaints filed on October 27 in four European countries. The company said its platform practices were disclosed to workers and required their consent. It stated it uses standard tools to verify identities, prevent fraud and ensure accurate payments. Contributors know their pay rates before accepting tasks. Scale AI said certain projects use a separate tool recording time and screen activity that workers manually activate, and the company does not sell personal data or use it for customer AI model training.

Stores turn to AI surveillance to catch shoplifters

Stores are increasingly using AI surveillance technology to combat shoplifting. WLS-TV reported on October 27, 2026 that AI tools are helping identify and catch thieves in retail settings. The I-Team investigated how this technology works in practice. This approach reflects a broader trend of adopting AI for security purposes in public spaces.

InvestingPro offers AI stock picks at discounted price before sale ends

Investing.com promoted a flash sale for its ProPicks AI service, offering monthly stock picks for less than $8 a month. The sale ended within 24 hours of the October 28, 2026 publication. The AI-powered list has beaten the S&P 500 by 113.43% since its launch in November 2023. Members also gain access to 88 AI-powered strategies covering over 60,000 stocks globally. The promotion coincided with major earnings reports from Alphabet, Microsoft and Amazon.

Microsoft and Alphabet to Shape AI Market Trends

A market panel discussed upcoming earnings from Microsoft and Alphabet. The panel also covered retail investing trends, AI's impact on the sector, and career hopping. The discussion featured experts from several financial firms.

Google Expands AI Search Ads Globally as Core Ad Growth Slows

Google is bringing ads in its AI-powered Search experiences to international markets. Search revenue grew 12% year over year in the third quarter, down from 17% in the second quarter. Google Cloud revenue surged 103% to $30.7 billion. Early results suggest the new ad formats are working, with click-through rates comparable to organic listings.

AI by the Numbers

Anthropic earned $16.3 billion in the first half of the year while losing $80.7 billion. Its potential IPO valuation is $2 trillion. Workers using AI as part of their jobs rose from 30 percent in 2023 to 76 percent in 2025.

Legora Builds Agentic Operating System for Legal Work

Legora is building an agentic operating system for legal work using OpenAI models. Founded in Stockholm in 2023, the company helps legal teams move faster. It achieved a 95% reduction in legal team time spent reviewing NDAs and returned 9.5 hours per lawyer per week. OpenAI is a key model provider for Legora.

AI Chip Stocks Lead Surge as Taipei Stocks Jump 780 Points

U.S. AI chip stocks rallied with the Philadelphia Semiconductor Index surging 3.60%. TSMC's ADR climbed 2.95% to close at $436.87. Taipei stocks soared 780.22 points within three minutes of opening. TSMC rose NT$25 to NT$2,425 in early trading on renewed investor enthusiasm for AI stocks.

Broadcom and AI stocks push Wall Street toward record highs

Stocks in the artificial intelligence industry led Wall Street higher on Tuesday. Broadcom Inc. shares rose 5.4% to $560.65 per share. Other AI stocks also saw significant gains. Investors are increasingly looking to the AI industry for growth opportunities. The sector's strong performance is seen as a positive sign for the overall market.

Sources

• AI Security Startup Upwind Raises $400M at $3.8B Valuation
• Upwind Raises $450 Million for AI and Cloud Security
• Upwind Raises $400 Million at $3.8 Billion Valuation for Cloud and AI Security
• Upwind secures $400 million to protect AI across endpoints, code, and cloud
• AI Security Startup Upwind Raises $400M at $3.8B Valuation
• Upwind Security raises $400 million to scale cloud and AI security platform
• Scale AI Rejects Privacy Complaints Over AI-Training Worker Monitoring
• Scale AI rejects claims it illegally surveils AI-training workers
• AI busting shoplifters
• SALE ENDS IN 24 HOURS: Get brand new AI stock picks for less than $8 a month
• Microsoft and Alphabet tapped to set the AI trade tone
• Google expands AI Search ads globally as core ad growth slows
• A.I. by the Numbers
• Legora is building the agentic operating system for legal work
• AI Chip Stocks Lead Surge as Taipei Stocks Jump 780 Points in First 3 Minutes of Trading, TSMC Hits NT$2,425
• Broadcom and other AI stocks lift Wall Street closer to its record