SentinelOne's Acquisition of Prompt Security Transforms It into Critical Infrastructure
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Jan 27 2026
0mins
Source: stocktwits
- Acquisition Transformation: In August 2025, SentinelOne acquired Israeli startup Prompt Security, successfully entering the generative and agentic AI security space, thereby establishing itself as critical infrastructure within the AI agent ecosystem.
- Market Valuation: Despite trading at a price-to-sales ratio of approximately 4.9 times, significantly lower than Cloudflare's 18 times, SentinelOne's unique position in agent security provides substantial market potential.
- Security Innovation: Prompt Security's MCP Gateway acts as a real-time command filter, inspecting all actions before AI agents execute them, effectively mitigating security risks from phishing emails and enhancing user data protection.
- Market Sentiment Shift: Over the past 24 hours, retail sentiment around SentinelOne's stock on Stocktwits shifted from 'bearish' to 'bullish', indicating investor optimism about its future growth prospects.
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Analyst Views on S
Wall Street analysts forecast S stock price to rise over the next 12 months. According to Wall Street analysts, the average 1-year price target for S is 21.11 USD with a low forecast of 16.00 USD and a high forecast of 28.00 USD. However, analyst price targets are subjective and often lag stock prices, so investors should focus on the objective reasons behind analyst rating changes, which better reflect the company's fundamentals.
21 Analyst Rating
13 Buy
8 Hold
0 Sell
Moderate Buy
Current: 12.930
Low
16.00
Averages
21.11
High
28.00
Current: 12.930
Low
16.00
Averages
21.11
High
28.00
About S
SentinelOne, Inc. is an artificial intelligence (AI)-powered cybersecurity provider. The Company’s Singularity Platform delivers AI-powered autonomous threat prevention, detection, response, and exposure management capabilities across an organization’s endpoints, cloud workloads, and identity credentials. The Company’s Singularity platform ingests, correlates, and queries petabytes of structured and unstructured data from a myriad of ever-expanding disparate external and internal sources in real time. Its distributed AI models run both locally on every endpoint and every cloud workload, as well as on its cloud platform. The Company through PingSafe Pte. Ltd. (PingSafe), which is a cloud native application protection platform (CNAPP) to bolster its cloud security product suite. By adding PingSafe’s CNAPP to its Cloud Workload Security (CWS), it provides enterprises with a comprehensive cloud security coverage that drives security, improved posture, and autonomous protection.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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- New Risk Management Strategy: As AI usage transitions from experimentation to widespread production, enterprises face a new category of risk that directly impacts business velocity, trust, and regulatory exposure; SentinelOne's DSPM capabilities help prevent sensitive data from entering AI pipelines, addressing irreversible risks before training begins.
- Unified Security Platform: The new capabilities build upon SentinelOne's existing cloud infrastructure posture management (CSPM), AI security posture management (AI-SPM), and runtime workload protection, creating the most comprehensive AI security platform in the market, enabling security teams to trace risks across the entire lifecycle.
- Lifecycle Security Perspective: Gregor Stewart, Chief AI Officer at SentinelOne, emphasizes that AI security is not merely a point problem but a lifecycle issue, where data security is the first mile, and true protection requires securing everything from data and infrastructure to runtime behavior.
See More
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Overview of SentinelOne: SentinelOne is a cybersecurity company that provides end-to-end security solutions, focusing on protecting data from various threats.
Data Protection Features: The platform offers real-time data protection and threat detection capabilities, ensuring that organizations can respond quickly to potential security breaches.
Integration and Automation: SentinelOne emphasizes automation in its security processes, allowing for seamless integration with existing IT infrastructures to enhance overall security posture.
Market Position: The company is positioned as a leader in the cybersecurity market, continually innovating to address emerging threats and challenges in data security.
See More
Salesforce and SentinelOne Executives Increase Stock Purchases
- Insider Buying Activity: Salesforce Director David Blair Kirk purchased over 1,900 shares in mid-December for more than $500,000, indicating strong confidence in the company's future, while activist firm ValueAct also acquired $25 million worth of Salesforce stock in December, highlighting market recognition of its growth potential.
- Attractive Valuation for Salesforce: Currently, Salesforce trades at a forward price-to-sales ratio of 4.7 and a price-to-earnings ratio around 17.5, making it compellingly cheap despite the SaaS sector being undervalued, with significant potential in the agentic AI space that could attract investors.
- SentinelOne Executive Purchases: Director Mark Peek bought nearly $600,000 worth of shares in mid-December, reflecting confidence in the company's future, and despite a 23% revenue growth last quarter, its forward price-to-sales ratio remains below 4.5, indicating undervaluation.
- Market Potential and Partnership Opportunities: SentinelOne's partnership with Lenovo is ramping up, expected to drive growth for its Singularity platform, while its Singularity Data Lake product presents new opportunities in the data query market, enhancing its competitive edge in AI security and data leakage.
See More
Insiders Increase Holdings in AI Companies
- Salesforce Insider Buying: Salesforce Director David Blair Kirk purchased over 1,900 shares in mid-December for more than $500,000, indicating strong confidence in the company's future, particularly regarding its potential in AI.
- ValueAct Investment: Activist firm ValueAct also acquired $25 million worth of Salesforce stock in December, reflecting a positive outlook on the company's long-term value, which may attract further investor interest.
- SentinelOne Insider Purchase: SentinelOne Director Mark Peek bought nearly $600,000 worth of shares in mid-December, showcasing his confidence in the company's growth potential in AI cybersecurity, especially through its partnership with Lenovo.
- Attractive Market Valuation: Despite SentinelOne's 23% revenue growth last quarter, its forward P/S ratio is below 4.5 times, indicating that its stock is relatively cheap, potentially drawing investors looking for opportunities in the competitive cybersecurity market.
See More
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- Insider Buying Activity: Salesforce Director David Blair Kirk purchased over 1,900 shares in mid-December for more than $500,000, indicating confidence in the company's growth prospects, while activist firm ValueAct also acquired $25 million worth of Salesforce stock in the same month, reflecting market recognition of its AI potential.
- Attractive Market Valuation: Salesforce's current forward price-to-sales ratio stands at 4.7 times and a price-to-earnings ratio around 17.5 times, and despite the SaaS sector facing market headwinds, its strategic positioning in agentic AI could provide strong growth momentum, particularly in data management and organization.
- Investment Opportunities in SentinelOne: Director Mark Peek bought nearly $600,000 worth of shares in mid-December, and despite a 23% revenue growth, SentinelOne's forward price-to-sales ratio is below 4.5 times, making its stock appealing, especially in light of its partnership with Lenovo and new product launches.
- AI Security Market Outlook: SentinelOne's acquisition of Prompt Security allows entry into the fast-growing AI security and data leakage market, and with the launch of its Singularity Data Lake product, the company is expected to gain new growth momentum, although the market remains cautious about its prospects.
See More
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- Financial Implications: The share acquisition may indicate confidence in the company's future performance.
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