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§ Private Profile · San Francisco, CA, USA
Nightfall is a technology company.
Nightfall offers an AI-native data loss prevention platform, helping organizations secure sensitive information across generative AI tools, SaaS applications, and endpoint devices. The platform utilizes a sophisticated blend of AI and machine learning models, including LLM-powered classification and computer vision, to accurately identify, detect, and prevent sensitive data exposure and exfiltration. Its core capabilities span data exfiltration prevention, real-time data detection and response, and comprehensive data discovery and classification, providing a unified solution for modern data security challenges.
The company was founded in 2018 by Isaac Madan and Rohan Sathe. Their insight stemmed from the recognition that traditional data loss prevention solutions were inadequate for the evolving digital landscape, particularly with the rise of AI tools that dissolved conventional security perimeters. They aimed to build an intelligent, autonomous platform designed to address these new vectors of data risk, moving beyond static rule-based systems to provide adaptive protection.
Serving a wide range of clients from emerging startups to large enterprises, Nightfall’s vision is to enable organizations to manage their sensitive data proactively and efficiently. The platform empowers security teams to automate data protection, mitigate insider threats, and foster safer data handling practices across the workforce. Ultimately, Nightfall strives to allow businesses to innovate securely with AI while maintaining stringent control over their intellectual property and regulated information.
Nightfall has raised $60.0M across 2 funding rounds.
Nightfall has raised $60.0M in total across 2 funding rounds.
Nightfall has raised $60.0M across 2 funding rounds. Most recently, it raised $40.0M Series B in August 2022.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Aug 1, 2022 | $40M Series B | — | Acrew Capital, Atlassian Ventures, Bain Capital Crypto, Bain Capital Ventures, Okta Ventures, Tribe Capital, Drew Brees, Josh Childress, Paul Rudd, Venrock, Sumir Chadha | Announced |
| Nov 1, 2019 | $20M Series A | Bain Capital Ventures, Venrock | Accel, Acrew Capital, Andreessen Horowitz, Atlassian Ventures, Bain Capital Crypto, B Capital Group, Bennu, Citi Ventures, General Catalyst, Kuroneko Innovation Fund, Launchpad Venture Group, Mayfield, Okta Ventures, Operator Collective, Opportunity Seed Fund, OWL Rock Capital Partners, Sapphire Ventures, Structure Capital, Tribe Capital, Douglas Merritt, Frederic Kerrest, Kelvin Beachum JR., Michael FEY, Michael Hyatt, ROB Chesnut, Ryan Carlson, Sohaib Abbasi, BOB Matschullat, Courtney Broadus, Matt Carey, Ronnie Lott, Scott McNealy, SRI Viswanath, Stuart Mcclure, Pear VC | Announced |
Nightfall AI is an AI-native data loss prevention (DLP) platform that detects, classifies, and protects sensitive data across SaaS applications, GenAI tools, email, endpoints, and collaboration platforms like Slack, Google Drive, Gmail, Jira, and Microsoft Teams.[1][2][3] It serves enterprises in sectors including technology, healthcare, financial services, legal, and manufacturing, solving the critical problem of data exfiltration, leakage to shadow AI, and non-compliance with regulations like HIPAA, PCI-DSS, and GDPR by providing precise detection with low false positives, automated remediation, and SaaS security posture management.[1][2][3] The company demonstrates strong growth momentum through its focus on cloud-heavy environments, seamless integrations, and leadership in agentic DLP, positioning it as a leader for mid-sized organizations reliant on SaaS ecosystems.[1][2]
Nightfall AI was founded in 2018 in San Francisco, California, originally as Watchtower AI before rebranding to emphasize its AI-driven approach.[1] Key leaders include co-founder and President Isaac Madan, who previously invested in SaaS, AI, and security at Venrock with a background in AI and machine learning; Head of Product Anant Mahajan, with over 10 years in data security from Rubrik, Skyhigh Security, and Druva; and Head of India Engineering Prasad Ravella, bringing two decades of experience scaling platforms at enterprises like Harness.[2] The idea emerged from the need for precise, AI-powered protection against sensitive data threats in proliferating SaaS and GenAI environments, gaining early traction through its accuracy in cloud app DLP where traditional tools falter.[1][3]
Nightfall AI rides the explosive growth of SaaS proliferation and GenAI adoption, where traditional DLP struggles with unstructured data and shadow IT, making its timing ideal amid rising cyber threats and regulations like GDPR.[1][3] Market forces favoring it include the shift to cloud-native security, demand for human-centric threat protection (e.g., insider risks), and the need for agentic AI that automates responses in hybrid environments.[2][3] By influencing the ecosystem through integrations and precision-focused innovation, Nightfall sets a new standard for DLP, enabling enterprises to securely harness AI tools while competitors like Proofpoint and Sophos lag in SaaS-specific accuracy.[1]
Nightfall AI is poised to dominate agentic DLP as GenAI and multi-app ecosystems expand, with expansions into endpoint analytics and deeper AI app protections driving next-phase growth.[2][3] Trends like zero-trust architectures, regulatory tightening, and shadow AI proliferation will amplify its relevance, potentially evolving its influence through partnerships and global scaling (e.g., India engineering hub).[2] As the leader in precise, unified data protection, Nightfall will empower secure innovation in SaaS-driven enterprises, tying back to its core strength: stopping data threats anywhere they emerge.[1][2]
Nightfall has raised $60.0M in total across 2 funding rounds.
Nightfall's investors include Acrew Capital, Atlassian Ventures, Bain Capital Crypto, Bain Capital Ventures, Okta Ventures, Tribe Capital, Drew Brees, Josh Childress, Paul Rudd, Venrock, Sumir Chadha, Accel.