Full-Time
Senior Customer Success Manager
Posted on 8/25/2025
Adaptive Security
201-500 employees
AI-driven cybersecurity training platform
Compensation Overview
$135k - $150k/yr
New York, NY, USA
In Person
Must work onsite in NYC five days per week.
 Sales & Account Management |
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- 4+ years of experience in a Customer Success, Implementation, Client Support, or similar role at a SaaS company.
- Strong troubleshooting and problem-solving skills
- Excellent written and verbal communication skills and a customer-first mindset.
- Demonstrated ability to multitask, prioritize, and thrive in a fast-paced startup environment.
- Experience working with cross-functional teams to identify solutions to technical problems and quickly remediate for clients.
- A growth mindset and willingness to learn rapidly—both from customer interactions and from working closely with engineers and product managers.
- Own all aspects of customer implementation, onboarding, and support.
- Conduct kick-off calls with new customers to ensure a successful setup and clear expectations.
- Act as the first responder for customer-reported issues, providing prompt troubleshooting and ensuring timely resolutions.
- Proactively monitor support channels (email, chat, etc.) and respond efficiently to customer inquiries.
- Collaborate with Engineering to escalate and resolve complex incidents, surfacing broader product or platform health concerns as needed.
- Partner with internal teams (Product, Design, Leadership) to continuously improve the customer experience, tools, and processes.
- Act as the voice of the customer, providing product feedback and identifying gaps or new feature opportunities.
- Strive to exceed customer expectations in response quality, timeliness, and overall satisfaction, ensuring customers achieve ongoing success with our platform.
Adaptive Security provides an AI-driven cybersecurity training platform that protects organizations from modern threats such as deepfakes, generative AI phishing, SMS attacks, and voice phishing. It delivers advanced training and realistic simulations through a library of integrations and tailored content, helping employees and the organization stay prepared against evolving cyber threats. The platform operates on a subscription model, serving a wide range of clients from small businesses to large enterprises, and earns revenue by offering ongoing access to its content and simulations. Compared with others, Adaptive Security emphasizes AI-focused threat training, a broad set of integrations, and a focus on organizational readiness, not just individual training. The company’s goal is to improve employee education and overall security posture by continuously updating its content to address AI-enabled attacks and safeguarding defenses across the organization.
Company Size
201-500
Company Stage
Series A
Total Funding
$98M
Headquarters
New York City, New York
Founded
2023
Simplify's Take
What believers are saying
- Grew to 800 enterprise customers like PayPal since January 2024 launch.
- Raised $81M Series B led by Bain Capital Ventures in 2026.
- Free elder scam training in 14 languages boosts visibility.
What critics are saying
- KnowBe4 undercuts pricing with 45,000 customers stealing share.
- Proofpoint integrates deepfake detection into email suites for Fortune 100.
- Microsoft Security Copilot commoditizes training in 400M+ E5 licenses.
What makes Adaptive Security unique
- AI simulates deepfakes of executives for customized training.
- Real-time risk assessment updates employee profiles post-simulation.
- Multichannel attacks cover email, SMS, and voice phishing.
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Company Equity
Company News
Adaptive Security has launched free public training resources to help protect older adults from AI-enabled scams, including voice cloning, deepfake videos and impersonation fraud. The course is available at no cost in 14 languages, including all official United Nations languages. Americans aged 60 and older lost an estimated $81 billion to fraud last year, according to federal data. The training features guidance from cybersecurity and law enforcement experts, including Brady Finta, former FBI agent and founder of the National Elder Fraud Coordination Center. The course includes real-world examples and victim stories, such as Gary Schildhorn, who narrowly avoided sending money after receiving a call using his son's cloned voice. Adaptive Security, which provides AI-powered social engineering prevention solutions, previously partnered with TIME100 honoree Elliston Berry on educational resources addressing deepfake abuse targeting children.
Adaptive Security has launched free training resources to protect older adults from AI-enabled scams, including voice cloning, deepfakes and impersonation fraud. The course is available in 14 languages at no cost. Americans aged 60 and older lost an estimated $81 billion to fraud last year, according to federal data. The training teaches participants to recognise common scam patterns and adopt verification practices, such as calling family members back on trusted numbers and creating family code words. The course features guidance from cybersecurity and law enforcement experts, including former FBI agent Brady Finta, and includes real-world victim stories. Adaptive Security, which serves 800 global enterprise customers, developed the training to address growing concerns about AI scams exploiting trust and emotion.
Adaptive Security raises $81M to expand AI-driven social engineering defense platform. Social engineering defense startup Adaptive Security Inc. today revealed that it has raised $81 million in new funding to expand its platform and accelerate product development. Founded in 2024, Adaptive is taking on the threat of artificial intelligence-powered social engineering with a mission to protect organizations from next-generation threats that exploit human trust rather than technical vulnerabilities. The company offers an AI-driven simulation platform that uses advanced models to generate realistic, multichannel attack scenarios that mirror how actual AI-enabled threats behave. The simulations cover email phishing, SMS attacks and voice deepfake vectors to expose employees to the kinds of deceptive tactics that are increasingly used by adversaries. Along with simulation and training, Adaptive's platform continuously assesses real-time risk across an organization's workforce by measuring how individuals respond to simulated threats. The platform monitors when employees fall for a simulated deepfake or phishing attempt, updates their risk profile and can automatically delivers targeted training to strengthen weaknesses. Core to the company's offering is a focus on human-centric training and behavior change. The company's tools provide contextualized learning experiences that teach employees how to recognize AI-enhanced deception in the wild instead of just alerting the information technology department when someone fails a test. The training is continuously updated to keep pace with emerging attack techniques by blending educational content with practical, hands-on exposure to realistic threat scenarios. "Our task is to give organizations clarity in a landscape that is changing extremely quickly," explained co-founder and Chief Executive Brian Long. "The threat is evolving in real time. Our responsibility is to move at least as fast." Since its public launch in January this year, Adaptive has grown to more than 500 enterprise customers. Notable customers include PayPal Holdings Inc., Xerox Holdings Corp., Bose Corp., the National Hockey League, the Professional Golfers' Association of America, Figma Inc., Ramp Business Corp., Vimeo Inc., TaylorMade Golf Co. Inc. and Perplexity AI Inc. The Series B round was led by Bain Capital Ventures LP, with NVentures (Nvidia Corp.'s venture capital arm), the OpenAI Startup Fund LP, Andreessen Horowitz, Abstract Ventures, Capital One Ventures and Citi Ventures Inc. also participating. "The surge in AI-enabled threat vectors has elevated human-layer security to a board-level priority and Adaptive is emerging as the platform organizations rely on to stay ahead of these threats," said Enrique Salem, partner at Bain Capital Ventures. Adaptive had previously raised rounds of $43 million in April and $12 million in September. Photo: Adaptive Security. A message from John Furrier, co-founder of SiliconANGLE: Support its mission to keep content open and free by engaging with theCUBE community. Join theCUBE's Alumni Trust Network, where technology leaders connect, share intelligence and create opportunities. * 15M+ viewers of theCUBE videos, powering conversations across AI, cloud, cybersecurity and more * 11.4k+ theCUBE alumni - Connect with more than 11,400 tech and business leaders shaping the future through a unique trusted-based network. SiliconANGLE Media is a recognized leader in digital media innovation, uniting breakthrough technology, strategic insights and real-time audience engagement. As the parent company of SiliconANGLE, theCUBE Network, theCUBE Research, CUBE365, theCUBE AI and theCUBE SuperStudios - with flagship locations in Silicon Valley and the New York Stock Exchange - SiliconANGLE Media operates at the intersection of media, technology and AI. Founded by tech visionaries John Furrier and Dave Vellante, SiliconANGLE Media has built a dynamic ecosystem of industry-leading digital media brands that reach 15+ million elite tech professionals. Its new proprietary theCUBE AI Video Cloud is breaking ground in audience interaction, leveraging theCUBEai.com neural network to help technology companies make data-driven decisions and stay at the forefront of industry conversations.
Adaptive Security raises $81M in Series B funding. Adaptive Security, a NYC-based provider of AI-powered social engineering prevention solutions, raised $81M in Series B funding. The round was led by Bain Capital Ventures, with participation from NVentures (NVIDIA's venture capital arm), OpenAI Startup Fund, Andreessen Horowitz (a16z), Abstract Ventures, Capital One Ventures, and Citi Ventures. In April, Adaptive Security announced a $43M Series A led by OpenAI Startup Fund and Andreessen Horowitz, making it OpenAI's first and only cybersecurity investment. The OpenAI Startup Fund later led an additional $12M follow-on investment announced in September. The company intends to use the funds to expand operations and its development efforts. Led by CEO Brian Long, Adaptive Security is a provider of AI-powered social engineering prevention solutions that focuses on protection against deepfake personas, AI-driven phishing and multi-channel social engineering threats. By combining advanced AI simulations, real-time risk assessment and security awareness training, it serves organizations to proactively defend against emerging cyber threats. Customers include PayPal, Xerox, Bose, the National Hockey League, the Professional Golfers' Association, Figma, Ramp, Vimeo, TaylorMade Golf, and Perplexity, among others.
Adaptive Security announced a follow-on investment from the OpenAI Startup Fund, raising its Series A funding to $55 million. As OpenAI's sole cybersecurity investment, this highlights confidence in Adaptive's human-centered protection against AI threats. The platform offers AI-powered phishing simulations, personalized security training, and real-time threat detection. OpenAI's Ian Hathaway praised Adaptive's rapid development of AI-native defenses for modern security challenges.