depthfirst
depthfirst is a cybersecurity company that provides defensive security intelligence for applications, analyzing code, infrastructure, and business logic. Founded in 2024 and based in San Francisco, it has raised $120M in funding, including a Series B round in March 2026.
The growth story
depthfirst grew from 1 to 64 employees between 2024 and 2026, raising $120M along the way, most recently a Series B in March 2026.
About
depthfirst offers a security platform designed to protect software applications by analyzing their code, infrastructure, and business logic. Its tools are aimed at organizations across industries, from healthcare to defense, where vulnerabilities in software can have critical consequences.
The company has raised $120M in funding, including a Series B round in March 2026, and employs 64 people. Its rapid growth reflects the increasing importance of cybersecurity as AI-driven threats escalate.
Founders and leadership
depthfirst’s largest function is sales, with 11 employees dedicated to this area. The company’s leadership includes founders with backgrounds in cybersecurity and software engineering, though specific details are not provided.
The depthfirst org chart
Qasim Mithani (Co-Founder and CEO) leads 15 mapped leaders with 6 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Engineering 21 (+600% YoY), Business Development 6 (+20% YoY), Entrepreneurship 4 (+100% YoY), Information Technology 4 (+300% YoY).
Talent flow
The company’s workforce includes hires from prominent tech firms like Databricks, Amazon, and Wiz. Employees have also moved to companies such as Google DeepMind and Hex, though turnover appears limited.
Most common previous employers of depthfirst staff: Databricks (7), Amazon (6), Faire (3), Wiz (3), AppOmni (3), Black Kite (3). Former depthfirst employees most often moved to Hex (1), Moveworks (1), Exa (1), Ruckus (1), Ridge Security Technology (1), Google DeepMind (1).
Alumni worth knowing
Hiring now
Web traffic
Traffic mix: 37% direct, 36% search, 16% social, 0% paid.
What this company is made of
Most common skills at depthfirst: Python (Programming Language) (26), Java (21), Leadership (19), C (Programming Language) (17), C++ (17), Microsoft Office (17), JavaScript (15), Machine Learning (14).
Where the team actually sits
depthfirst people are concentrated in California, United States (18), San Francisco Bay Area (16), New York, United States (6), Massachusetts, United States (2).
Search footprint
depthfirst attracts about 124 organic search visits a month, traffic worth roughly $1K a month if bought through ads. It gained 24 ranking keywords and lost 10 in the last period.
Frequently asked
depthfirst has 64 employees as of September 2026.
depthfirst has raised $120M in total, most recently a Series B round in March 2026.
depthfirst was founded in 2024 by Daniele Perito, Andrea Michi, Qasim Mithani.
Qasim Mithani (Co-Founder and CEO) sits at the top of depthfirst's reporting structure, with 6 direct reports.
The most common previous employers of current depthfirst staff are Databricks (7 people), Amazon (6 people), Faire (3 people).
Former depthfirst employees most often move to Hex (1), Moveworks (1), Exa (1).
depthfirst attracts about 124 organic search visits a month, worth roughly $1K a month in equivalent ad spend.
The most common skills among depthfirst staff are Python (Programming Language), Java, Leadership, C (Programming Language), C++.
depthfirst staff are concentrated in California, United States (18), San Francisco Bay Area (16), New York, United States (6).
depthfirst has about 21 people in Engineering, up 600% over the past year, as of September 2026.
depthfirst has about 6 people in Business Development, up 20% over the past year, as of September 2026.
Computed from 49 current and 9 former depthfirst profiles, as of September 2026. Source: Crustdata.
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