Trellix provides an extended detection and response (XDR) platform that integrates endpoint, network, and cloud security into a single system. The platform works by using Generative AI and threat intelligence to help security teams detect and respond to cyberattacks across their entire digital infrastructure. Unlike many competitors that offer isolated security tools, Trellix uses an "open" architecture that allows its software to connect with a wide variety of third-party applications and hardware. The company's goal is to provide organizations with a unified, automated defense system that simplifies how they manage and resolve complex security threats.
Company Size
1,001-5,000
Company Stage
Growth Equity (Venture Capital)
Total Funding
$435M
Headquarters
Plano, Texas
Founded
2021
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Trellix under fire: data breach notices, a source code hack, and a ransomware group's boast pile up on the cybersecurity firm. A cybersecurity vendor breached by the very threats it sells protection against - Trellix now faces class action investigations over a 2026 data breach exposing Social Security numbers, months after a ransomware group and a source code leak dented its credibility. 2026-09-28 Subject: Trellix Disclaimer: The information in this article was published by third parties and is aggregated here for research and commentary. All claims are attributed to their original sources. This is not legal advice. When a company's entire business model is keeping other organizations safe from hackers, getting hacked yourself is not just bad luck - it's an existential reputational problem. That's the position Trellix, the extended detection and response (XDR) firm formed from the McAfee Enterprise and FireEye merger, finds itself in as 2026 draws a straight line from a source code compromise to a ransomware group's claims to a fresh wave of consumer data breach litigation. The latest: Class Action investigations over a 2026 data breach. The most serious and most recent development is consumer-facing. According to Class Action U, Trellix began sending breach notification letters on August 28, 2026, informing affected individuals that their personal information - including Social Security numbers - was accessed without authorization. Critically, the suspicious activity was reportedly first detected back in December 2025, meaning there was potentially an eight-month gap between discovery and disclosure. That lag, if confirmed, is exactly the kind of detail plaintiffs' attorneys build cases around. Within days, Dapeer Law announced it was actively investigating a potential class action against Trellix, specifically flagging the exposure of Social Security numbers as grounds for legal claims. Data breach class actions involving SSNs typically allege negligence, breach of implied contract, and failure to meet industry-standard safeguards - claims that are especially damaging when leveled against a company whose core product promise is safeguarding data. For a security vendor, this isn't a footnote; it's a direct contradiction of the brand. These notifications land in a market where enterprise buyers already scrutinize vendor security posture as part of procurement due diligence. A breach notice mentioning SSNs, paired with active law firm solicitations, is the kind of headline that shows up in the first page of search results for anyone Googling Sources. Disclaimer: The information presented in this article was published by third parties and is aggregated here for research and commentary purposes only. NegativePublicRelations.com does not claim these allegations as fact; all claims are attributed to their original publishers, linked above. Readers are encouraged to review the original sources. This post is not legal advice. "A cybersecurity vendor breached by the very threats it sells protection against - Trellix now faces class action investigations over a 2026 data breach exposing Social Security numbers, months after a ransomware group and a source code leak dented its credibility." - NegativePublicRelations.com Original source This post is based on reporting by Class Action U. NegativePublicRelations rewrite and analyze the story; the original article remains the property of its publisher. Facing a similar situation? Its reputation strategists can help. Reader feedback & talkbacks. Post anonymously - no registration required. 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Trellix earns top marks for Data Security in the CRN Annual Report Card. I'm excited to share that Trellix has earned a 2026 CRN(R) Annual Report Card (ARC) Award in Data Security from CRN, a brand of The Channel Company. The ARC Awards spotlight the technology vendors providing best-in-class products and solution provider partnership throughout the IT channel ecosystem. Among the IT channel's most respected honors, the CRN Annual Report Card (ARC) Awards recognize technology vendors that excel in supporting and empowering their partner communities. Award winners are chosen based on direct feedback from solution providers, who evaluate vendors on the strength of their channel programs, partner experience, product innovation, and commitment to building successful, long-term partnerships. CRN defines data security for a category as a comprehensive set of functions designed to protect sensitive information from unauthorized access, breaches, and misuse. Core functions include data encryption, controlling data access and protecting databases, and real-time DLP monitoring to detect and respond to unusual activity via responses that range from warning and coaching to blocking and reporting. Continuous data discovery and classification are also critical for managing governance requirements. "The CRN Annual Report Card Awards honor technology vendors that set the standard for channel excellence," said Jennifer Follett, VP, U.S. Content and Executive Editor, CRN, The Channel Company. "Selected based on direct feedback from solution providers, this year's winners have demonstrated exceptional commitment to innovation, partnership, and enabling partner success. We congratulate the 2026 ARC Award winners for earning the trust and recognition of the channel community through their continued leadership and dedication." Shielding sensitive data with AI-native data security. The rapid adoption of generative AI (GenAI) and large language models (LLMs) has introduced significant risks to data security, such as the potential for sensitive and private data to be leaked into public AI tools or improperly accessed. In April 2026, Trellix introduced a new AI Data Risk Dashboard within DLP to monitor and redact sensitive information, and avoid SQL injection attacks within AI prompts and responses. Trellix Data Security is vital for protecting the data that matters in the age of AI. CRN recognized Trellix as a top-tier performer in data security, specifically noting its product reliability and high-quality feature sets. Its ability to integrate AI into its response capabilities and its robust partner ecosystem make it a highly competitive option for organizations seeking modern security operations. Trellix CPO Alex Au Yeung said, "CRN's recognition of Trellix's Data Security products with the ARC Award comes at a critical point in the convergence of agentic AI and the sensitive data that it has access to. Identities accessing sensitive data - whether human, non-human or agentic - need stringent controls to ensure compliance, reduce risk, and enable business outcomes. Trellix recognized this decades ago and has continued to be at the forefront of context-rich data security offerings as part of our comprehensive cyber resilience portfolio." Achieving top honors for data security and partner programs. * Industry Recognition: Trellix was named the winner in the "Security - Data Security" category, achieving an overall score of 88.5. * High-performance Metrics: Within the data security category, Trellix achieved exceptional scores for product quality and reliability (99.0) and richness of product features and functionality (96.7). * Partnership and Support: Trellix maintains strong industry relations, recording a 91.4 score for partnership and an 88.5 score for support. * Partner Enablement: Trellix offers the Trellix Xtend partner program which covers everything from resellers to professional services. It also includes managed security integrators, a service that features a tiered system (platinum, gold, and silver) to provide specialized incentives and training for partners in areas such as data security. Coverage of the CRN 2026 ARC winners can be found online at www.CRN.com/ARC. Award winners were also spotlighted during The Channel Company's XChange August 2026 conference. To learn more about its comprehensive capabilities, please contact your account manager or visit its Data Security page.
Trellix recognized as a Visionary in the 2026 Gartner(R) Magic Quadrant(TM) for Network Detection and Response. Gartner recently released the 2026 Gartner(R) Magic Quadrant(TM) for Network Detection and Response (available to Gartner customers), and Trellix is thrilled to be recognized as a Visionary. Network detection and response (NDR) represents the market's evolution, as traditional approaches to network security fall short in protecting today's complex environments. Trellix is gratified to be working with its customers to meet this moment and address where the market is headed. Several trends are accelerating the shift to NDR. It's no longer enough to rely on "North-South" perimeter defense and endpoint detection and response (EDR). Doing so leaves enterprises open to sophisticated attackers who can evade both traditional network security and EDR. These attackers take advantage of infrastructure blind spots - arising from today's blurry perimeters, hybrid environments, and the convergence of operational technology systems with corporate IT. Once they're inside your network, they're free to roam East-West, living off the land while they search for your most valuable enterprise data. At the same time, SOC teams are overwhelmed by alert noise and fragmented tools that slow them down. There's a critical need for full visibility and "post-breach" detection that NDR solutions are designed to fill. But how should you evaluate your potential security partners for their ability to address these challenges? Moving from Niche to Visionary At Trellix, Trellix is honored to be recognized as Visionary after entering the inaugural MQ last year in the Niche Quadrant, one of only 11 vendors to be included. Trellix believe this shift reflects how Trellix is evolving its NDR offering to address its customers' most pressing challenges. * Comprehensive visibility across complex networks: Organizations need an NDR solution that visualizes their entire infrastructure across on-premises, cloud, and operational technology (OT) and IoT networks. Trellix NDR eliminates security blind spots by providing a unified, agentless view across complex hybrid environments, ensuring visibility where EDR cannot reach - such as OT/IoT devices, unmanaged assets, and legacy systems. * High-fidelity detection of evasive and post-breach threats: Trellix helps organizations detect "living off the land" attacks and lateral movement swiftly, using a multi-layered architecture combining signature-based detection, behavioral analytics, dynamic file analysis, and real-time intelligence. Unlike passive NDRs, Trellix NDR offers active blocking for inline prevention to identify and neutralize sophisticated post-breach activity. * Accelerated investigation and automated response: Analysts are drowning in fragmented alerts and manual investigations. Trellix help its customers reduce MTTR with intuitive, AI-guided investigative workflows, deep forensic context, and adaptive remediation. Closing the security skills gap with Trellix Wise Traditionally, managing complex NDR solutions required deeply specialized, hard-to-find security experts. Trellix changes this reality by embedding Trellix Wise, its advanced generative AI (GenAI) security capability, directly into the heart of its NDR solution. Trellix Wise acts as a force multiplier designed specifically to uplift L1 and L2 analysts. It does the heavy lifting of parsing through fragmented, highly technical alerts to automate deep attack correlation across the network, weaving disparate anomalies into comprehensive, chronological attack storylines. It guides analysts through the investigation lifecycle while offering interactive, guided threat-hunting playbooks to uncover hidden lateral movement across the environment. When a threat is verified, Trellix Wise drives seamless incident response orchestration, allowing analysts to rapidly execute containment protocols and neutralize the threat before it can cause operational damage. According to results reported by Trellix customers, Trellix Wise enables them to spend 57% less time prioritizing alerts and save an average of 48 hours per alert Trellix NDR investigates. Unifying OT, IT, and cyber-physical environments As modern cyber threats expand beyond traditional enterprise boundaries, securing cyber-physical systems (CPS) alongside OT and corporate IT has become mission-critical. This is where Trellix truly distances itself from legacy alternatives. For example, the direct integration of Trellix NDR with Nozomi Networks offers a blueprint for the future of converged security. According to Gartner: "Trellix NDR excels in convergence and accelerated incident triage, offering integration with CPS vendors for unified threat visibility across CPS and IT environments." By blending these traditionally isolated environments into a unified ecosystem, Trellix help organizations accelerate incident triage and minimize the blind spots that attackers frequently exploit. The journey forward Helping its customers adapt to the constantly evolving threat landscape with intelligence-led cyber resilience is at the core of what Trellix do. Its goal is to empower organizations with the deep visibility and automated defense required to keep pace with evolving threat cycles. To learn more about Trellix NDR or to experience it first-hand, request a demo. Gartner, Magic Quadrant for Network Detection and Response, Thomas Lintemuth, Charanpal Bhogal, Nahim Fazal, 18 May 2026. Gartner, Critical Capabilities for Network Detection and Response, Charanpal Bhogal, Thomas Lintemuth, Nahim Fazal, 18 May 2026. Gartner and Magic Quadrant are trademarks of Gartner, Inc. and/or its affiliates. Gartner does not endorse any company, vendor, product or service depicted in its publications, and does not advise technology users to select only those vendors with the highest ratings or other designation. Gartner publications consist of the opinions of Gartner's business and technology insights organization and should not be construed as statements of fact. Gartner disclaims all warranties, expressed or implied, with respect to this publication, including any warranties of merchantability or fitness for a particular purpose.
Trellix has appointed two senior executives to strengthen its leadership team. David Pieterse joins as Chief Operating Officer for Go-To-Market, bringing over 20 years of enterprise technology experience. He previously served as Chief Revenue Officer at Recorded Future, leading global revenue functions through its acquisition by Mastercard. David Soto has been named Chief Information Security Officer. He will oversee Trellix's enterprise security programme and lead its Customer Zero initiative. The appointments aim to advance Trellix's growth strategy and go-to-market execution. CEO Vishal Rao said Pieterse joins at a pivotal moment as AI transforms the threat landscape, requiring organisations to adopt proactive security responses. Pieterse will focus on translating security innovations into measurable outcomes for customers and partners. The San Jose-based company describes itself as a global leader in intelligence-led cyber resilience.
AI-Driven cyber defense explodes: Prevalent AI secures £16.1M as Anthropic deploys Claude Mythos 5. Today, August 25, 2026, the global cybersecurity landscape is undergoing a massive paradigm shift as artificial intelligence transitions from a speculative defensive asset into the very core of enterprise infrastructure. Organizations are no longer just defending their perimeters; they are re-architecting their entire security stacks around context-aware AI models and identity governance. The AI arms race receives a multi-million dollar capital injection. The financial markets are reflecting this architectural shift. Prevalent AI has successfully secured 16.1 million British pounds in its latest funding round, capital earmarked to accelerate its proprietary AI context engine. By understanding the deep context of enterprise data flows, Prevalent AI aims to cut through the noise of legacy security alerts to deliver highly precise threat detection. Simultaneously, AI pioneer Anthropic has expanded the capabilities of its Claude Mythos 5 model. Engineered specifically for cyber defense, Claude Mythos 5 allows security operations centers (SOCs) to automate complex threat hunting and incident response workflows at machine speed, signaling a new era of automated defense. Securing the ai-first enterprise. As enterprises rush to adopt these generative technologies, identity governance is emerging as the primary battleground. In response, Oleria has announced a strategic partnership with Happiest Minds. Together, the two firms will deliver modern identity governance solutions designed explicitly for AI-first enterprises, ensuring that automated agents and employees alike have tightly controlled, context-specific access rights. This focus on resilience is also driving global expansion. Inspira Enterprise has officially expanded its operations into Australia, aiming to accelerate AI-driven cybersecurity and digital resilience for enterprises across the continent. This move coincides with an industry-wide realization, highlighted by financial platforms like Maya, that robust cybersecurity has transitioned from a backend IT concern into the single most critical driver of customer trust. Corporate shakeups and market records. The financial strength of the cybersecurity sector is breaking records. Palo Alto Networks (PANW) continues to hit new historical highs on the stock market, driven by its platformization strategy and robust enterprise demand. To navigate this rapid growth, major security vendors are reshuffling their executive ranks. Trellix has announced a dual leadership appointment, naming David Pieterse as Chief Operating Officer of Go-To-Market (COO-GTM) and David Soto as Chief Information Security Officer (CISO). Meanwhile, OpenAI has signaled its aggressive enterprise expansion by appointing tech veteran Dali Rajic as its new Chief Revenue Officer (CRO). The bottom line. * AI Defense Funding: Prevalent AI's 16.1 million pound funding and Anthropic's Claude Mythos 5 rollout prove that context-aware AI is the new standard in cyber defense. * Identity is Key: The partnership between Oleria and Happiest Minds highlights that securing AI-first enterprises requires a fundamental redesign of identity governance. * Executive Shifts: High-profile moves at Trellix and OpenAI showcase a hyper-competitive market scrambling to capture enterprise market share. * Trust Equals Security: Enterprise digital resilience, championed by expansion efforts from Inspira and trust initiatives from Maya, is now a primary business differentiator. Stay Connected for Daily Security Intelligence Follow Aibots Sdn Bhd to get the latest breaking cybersecurity reports and threat analysis delivered daily. Aibots Sdn Bhd | [Beyond Future]