Halborn
Halborn is a blockchain security firm serving financial institutions, with 74 employees and $90M in funding. It raised its Series A in mid-2022 from investors including Brevan Howard and Digital Currency Group.
The growth story
Halborn grew from 16 to 74 employees between 2021 and 2026, raising $90M along the way, most recently a Series A in July 2022.
About
Halborn provides cybersecurity assessments and advisory services for blockchain systems used by financial firms. Its platform helps clients identify vulnerabilities in both on-chain and off-chain components.
The company has grown to 74 staff since its 2019 founding, with engineering making up over a third of its workforce. Its $90M Series A suggests strong investor confidence in blockchain security demand, though current headcount growth rates aren't available.
Founders and leadership
Engineering dominates Halborn's organization with 26 staff, representing 35% of total headcount. Leadership includes veterans from traditional cybersecurity firms, though specific executive backgrounds aren't provided in the data.
The Halborn org chart
Jacques Boschung (Chief Executive Officer) leads 33 mapped leaders with 7 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Information Technology 25 (-7% YoY), Sales 11 (+10% YoY), Business Development 9 (+50% YoY), Engineering 6 (+20% YoY), Program and Project Management 5 (-29% YoY), Product Management 3 (0% YoY).
Talent flow
Halborn recruits heavily from cybersecurity consultancies like Inovalon, Dell, and Deloitte. Alumni frequently move to other blockchain security startups, with Spearbit Labs and Guardian being top destinations. The workforce shows international academic roots, with multiple hires from Spanish universities.
Most common previous employers of Halborn staff: Inovalon (5), Dell Technologies (4), Deloitte (4), Innotec Security (3), Indra (3), Cyber Struggle (2). Former Halborn employees most often moved to Spearbit Labs (3), Guardian (3), Baton (2), Hacken, Blockchain Security & Compliance (2), Monethic - Web3 Cybersecurity (2), Hypernative (2).
Alumni worth knowing
The Halborn mafia
Halborn alumni have founded at least 7 security startups, including Monethic (Web3 cybersecurity with 6 ex-Halborn staff) and Sasta Hacker. The spinouts suggest strong technical training in blockchain security.
7Łukasz M., was Offensive Security Engineer until 2023Rhythm Jain, was Marketing Content Manager until 2023Josh Purtell, was Data Scientist until 2023Laura A. Cooper, Esq. SPHR, was Chief People Officer until 2023Timur Güvenkaya, was Practice Manager until 2022Przemyslaw Dawid Swiatowiec, was Lead Offensive Security Engineer until 2023
Omar Alshaeb, was Lead Offensive Security Engineer until 2024Web traffic
Traffic mix: 34% direct, 33% search, 7% social, 0% paid.
What this company is made of
Most common skills at Halborn: Blockchain (27), Leadership (25), Python (Programming Language) (23), Project Management (20), Cybersecurity (19), Solidity (19), Communication (18), SQL (18).
Where the team actually sits
Halborn people are concentrated in Ireland (3), England, United Kingdom (3), New York City Metropolitan Area (3), Community of Madrid, Spain (3).
Search footprint
Halborn attracts about 1,629 organic search visits a month, traffic worth roughly $12K a month if bought through ads. It gained 327 ranking keywords and lost 350 in the last period.
What employees say
- Compensation
- 4.50 / 5
- Career opportunities
- 4.60 / 5
- Senior management
- 4.00 / 5
- Work-life balance
- 3.80 / 5
Frequently asked
Halborn has 74 employees as of September 2026.
Halborn has raised $90M in total, most recently a Series A round in July 2022.
Halborn was founded in 2019 by Steven Walbroehl.
Jacques Boschung (Chief Executive Officer) sits at the top of Halborn's reporting structure, with 7 direct reports.
The most common previous employers of current Halborn staff are Inovalon (5 people), Dell Technologies (4 people), Deloitte (4 people).
Former Halborn employees most often move to Spearbit Labs (3), Guardian (3), Baton (2).
At least 7 companies have a founder who previously worked at Halborn, including Monethic - Web3 Cybersecurity, Sasta Hacker, Synth AI (YC F24).
Halborn attracts about 1,629 organic search visits a month, worth roughly $12K a month in equivalent ad spend.
The most common skills among Halborn staff are Blockchain, Leadership, Python (Programming Language), Project Management, Cybersecurity.
Halborn staff are concentrated in Ireland (3), England, United Kingdom (3), New York City Metropolitan Area (3).
Halborn has about 25 people in Information Technology, down 7% over the past year, as of September 2026.
Halborn has about 11 people in Sales, up 10% over the past year, as of September 2026.
Computed from 63 current and 132 former Halborn profiles, as of September 2026. Source: Crustdata.
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