Adaptive Security
adaptivesecurity.com
Actively hiring
Corporate Training
Information Security
Cybersecurity AI
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Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Total raised
$124M
2 rounds on record
Latest round
$81M
Series B · Dec 2025 · 9 mo ago
Team
201-500
employees, estimated range
Hiring now
8
open roles
Backers
5
Andreessen Horowitz, Abstract
The money's age
Fresh money
9 months since the last round · hiring slowed
Momentum
30/100
a new city, fresh money
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Dec 16, 2025
Raised a round Series B $81M · SiliconANGLE
Apr 2, 2025
Raised a round Venture round $43M · SiliconANGLE
2024
Founded
Tractionpublic signals, read monthly
Web presence
top 0.82%
of 133.2M domains by links, Common Crawl
Hacker News stories
1
best: 2 points
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Series B | Dec 2025 | $81M | — | SiliconANGLE |
| Venture round | Apr 2025 | $43M | — | SiliconANGLE |
Backed byfrom the funds' portfolios and accelerator catalogs
Andreessen Horowitz 
Abstract 
Eniac Ventures 
K5 Global 
Scribble Ventures Investors in similar startupsfunds that back the companies most like this one
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How Adaptive Security hires
Truth index
B 84/100
Median time to fill
59 days
Ghost roles
0%
Stale roles
63%
Reposted roles
0%
Adaptive Security scores B on the Alion truth index (A is best, E worst), measured over 8 open roles re-checked against its own hiring board: 0% look like ghost listings, 63% have gone stale and 0% are the same role posted again. Its roles close in a median of 59 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
News
Security Training, Reimagined with Conan O'Brien
Mandatory training, voluntarily watched. Fifteen short security-training films made with Conan O'Brien - free for your whole team to enjoy and learn from.
Read more
Report
Adaptive Security: $81 Million Series B Secured To Counter AI Powered Cyber Threats
Adaptive Security has raised an $81 million in Series B funding as it scales a platform designed to help organizations defend against AI-enabled impersonation, deepfakes, and multi-channel social engineering attacks. The round was led by Bain Capital Vent
Read more
Report
Adaptive Security raises $81M to expand AI-driven social engineering defense platform
Adaptive Security raises $81M to expand AI-driven social engineering defense platform - SiliconANGLE
Read more
Report
Adaptive Security: Additional OpenAI Investment Brings Series A To $55 Million
Adaptive Security, a company focused on preventing social engineering attacks powered by artificial intelligence, has announced an additional investment from the OpenAI Startup Fund. This new funding brings the total raised in its Series A round to $55 mi
Read more
Report
Adaptive Security raises $43M for its AI cyberattack simulation platform
Adaptive Security raises $43M for its AI cyberattack simulation platform - SiliconANGLE
Read more
Report
AI-powered cyberattacks: Adaptive Security CEO Brian Long on the dangers of AI
Brian Long, Adaptive Security co-founder and CEO, joins 'Squawk Box' to discuss how the company is simulating AI-powered cyberattacks to provide risk assessments for its clients, how to prevent AI-powered cyberattacks, and more.
Read more
Report
Gandalf the Red: Adaptive Security for LLMs
Abstract page for arXiv paper 2501.07927: Gandalf the Red: Adaptive Security for LLMs
Read more
Report
Tech stack
Technologies named in job postings at Adaptive Security over the last 12 months, by layer, with the share of postings for each.
Technologies in use
14
Postings analysed
13
Stack modernity
87/100AI adopter
Languages
Java15%
TypeScript15%
Python8%
Frameworks & libraries
PyTorch8%
TensorFlow8%
Spring Boot8%
Databases
PostgreSQL8%
Cloud & platforms
OpenAI100%
AWS15%
AWS Bedrock8%
Amazon SageMaker8%
AI & ML
Claude15%
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Full Adaptive Security tech stack
14 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$150k
Typical range
$70k – $300k
Open positions
5
4
Jobs
Junior
25%
Middle
25%
Senior
50%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Junior | 1 | $100k | $100k |
| Middle | 1 | $300k | $300k |
| Senior | 2 | $150k | $150k |
Highest paying role
Software Engineer, Product & Platform
$300k
Normalized to USD per year
All salaries at Adaptive Security
By role, level and city, against the market · 5 jobs with pay
Growth
Hiring Momentum
83/100
Scaling fast
Open positions
8
3 opened / 5 closed in 30 days
Median time-to-fill
53 days
faster than 26% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Product
38% ▲
Customer Success
25% ▼
Finance
13% ▼
Marketing
13% ▼
Solutions
13% ▲
Actively hiring for Product (+3 in 30 days)
Activity Timeline
New location: United States
Oct 2026
New location: Los Angeles
Sep 2026
Added Claude to stack
Sep 2026
Added Machine Learning to stack
Sep 2026
New location: Sydney
Sep 2026
New location: London
Sep 2026
Added Baseten to stack
Sep 2026
Added X (Twitter) to stack
Sep 2026
Added OpenAI to stack
Aug 2026
Added Amazon SageMaker to stack
Aug 2026
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
1
Countries
1
Busiest office
New York
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Headquarters
Builds here
Office with open vacancies
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New York
United States
HQ
7 open roles 6 posted in 90 days 29% engineering 200-500 est. staff $155k Avg Salary
hires for Sales, Customer Success, AI/ML
Earlier presence
London, United Kingdom
Sydney, Australia
Jobs
≈ $141k – $291k per year (Estimated) • In office • Full-Time • 3+ years exp • New York
OpenAI
Apply
≈ $166k – $312k per year (Estimated) • In office • Full-Time • 4+ years exp • New York
Python
Java
TypeScript
Spark
AWS Bedrock
TensorFlow
PyTorch
OpenAI
Amazon SageMaker
Baseten
DevOps
AWS
Apply
$125k – $300k per year • In office • Full-Time • 3+ years exp • New York
Java
TypeScript
Spring Boot
Databases
PostgreSQL
AI/ML
OpenAI
DevOps
AWS
Apply