VulnCheck
VulnCheck sells cybersecurity software that predicts likely attack vectors by analyzing vulnerabilities and exploits. The company has raised $45M and employs 96 people.
The growth story
VulnCheck grew from 2 to 96 employees between 2021 and 2026, raising $45M along the way, most recently a Series B in February 2026.
About
VulnCheck provides tools that analyze software vulnerabilities and predict which ones attackers are most likely to exploit. Its customers include government agencies and large enterprises that use the software to prioritize security fixes.
The company raised $45M in a Series B round in 2026, though its headcount growth rate is unclear. It claims to cover billions of assets globally, though the exact number is unspecified.
Founders and leadership
Sales is VulnCheck's largest function, with 27 employees. The company has a median tenure of just 1 year, suggesting rapid turnover or recent hiring.
The VulnCheck org chart
Anthony B. (Founder & CEO) leads 40 mapped leaders with 5 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 28 (+75% YoY), Sales 27 (+170% YoY), Business Development 8 (+33% YoY), Information Technology 7 (+75% YoY), Operations 7 (+75% YoY), Marketing 4 (+100% YoY).
Talent flow
VulnCheck recruits heavily from cybersecurity firms like Duo Security and Rapid7, which account for 15 of its 79 analyzed hires. Alumni have moved to smaller security startups like spiderSilk and watchTowr.
Most common previous employers of VulnCheck staff: Duo Security (8), Rapid7 (7), Censys (6), runZero (6), Cisco (6), Tenable (4). Former VulnCheck employees most often moved to spiderSilk (1), watchTowr (1), Netcraft (1), Silent Push (1), Kaspersky (1), Flashpoint (1).
Alumni worth knowing
Hiring now
Web traffic
Traffic mix: 42% direct, 39% search, 2% social, 0% paid.
What this company is made of
Most common skills at VulnCheck: Cybersecurity (38), Leadership (33), Sales (33), Python (Programming Language) (28), Security (26), Network Security (23), Business Development (23), Cloud Computing (23).
Where the team actually sits
VulnCheck people are concentrated in Texas, United States (16), England, United Kingdom (8), Greater Boston (8), Massachusetts, United States (5).
Search footprint
VulnCheck attracts about 1,626 organic search visits a month, traffic worth roughly $6K a month if bought through ads. It gained 388 ranking keywords and lost 246 in the last period.
Frequently asked
VulnCheck has 96 employees as of September 2026.
VulnCheck has raised $45M in total, most recently a Series B round in February 2026.
VulnCheck was founded in 2021 by Anthony B..
Anthony B. (Founder & CEO) sits at the top of VulnCheck's reporting structure, with 5 direct reports.
The most common previous employers of current VulnCheck staff are Duo Security (8 people), Rapid7 (7 people), Censys (6 people).
Former VulnCheck employees most often move to spiderSilk (1), watchTowr (1), Netcraft (1).
VulnCheck attracts about 1,626 organic search visits a month, worth roughly $6K a month in equivalent ad spend.
The most common skills among VulnCheck staff are Cybersecurity, Leadership, Sales, Python (Programming Language), Security.
VulnCheck staff are concentrated in Texas, United States (16), England, United Kingdom (8), Greater Boston (8).
VulnCheck has about 28 people in Engineering, up 75% over the past year, as of September 2026.
VulnCheck has about 27 people in Sales, up 170% over the past year, as of September 2026.
Computed from 79 current and 16 former VulnCheck profiles, as of September 2026. Source: Crustdata.
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