Who Funds Cybersecurity Startups in Boston Cambridge?

Complete funding guide for cybersecurity entrepreneurs in Boston Cambridge. Find 11 VC funds, 4 accelerators,4 angel networks, and 4 grant opportunities.

$181M
Total 2025 Funding
233
Deals Completed
$2M
Avg Round Size
15
Active Funders

Cybersecurity Startup Funding Landscape in Boston Cambridge

Market Overview

The cybersecurity startup ecosystem in Boston Cambridge has experienced remarkable growth, with $181M in funding across 233 deals in 2025.This represents 35% year-over-year growth compared to the previous year, positioning Boston Cambridgeas a emerging market forcybersecurity innovation.

The average funding round size of $2M reflects strong investor confidence in Boston Cambridge-based cybersecurity startups. Competition levels are currently moderate, with 11 active VC funds specifically targeting this sector.

Top Funded Sectors in Boston Cambridge

CybersecurityArtificial IntelligenceSoftware As A Service

Location Advantages

Boston Cambridge offers a concentrated cybersecurity ecosystem with specialized talent

Strong government support for cybersecurity innovation and R&D tax incentives

Access to leading universities and research institutions in the region

Lower operational costs compared to traditional tech hubs like San Francisco

Success Factors for Cybersecurity Startups

  • Deep expertise in cybersecurity domain
  • Strong technical team with proven track record
  • Clear market validation and customer traction
  • Scalable business model with defensible moats
  • Access to industry-specific mentors and advisors

Cybersecurity VC Funds in Boston Cambridge

11 active funds

Boston Cambridge Cybersecurity Partners A

📍 Boston Cambridge📅 Founded 2022💰 $465M AUM

seed stage focus • 53 portfolio companies

$9M
Typical Check Size

Investment Focus Areas

CybersecurityEnterprise Software

Recent Cybersecurity Investments

CybersecurityCorp 1
Boston Cambridge AI
DataCybersecurity Inc
Active in cybersecurity sector • Invests in Boston Cambridge-based startups
Learn More →

Boston Cambridge Cybersecurity Partners B

📍 Boston Cambridge📅 Founded 2012💰 $401M AUM

series-a stage focus • 20 portfolio companies

$6M
Typical Check Size

Investment Focus Areas

CybersecurityEnterprise Software

Recent Cybersecurity Investments

CybersecurityCorp 2
Boston Cambridge AI
DataCybersecurity Inc
Active in cybersecurity sector • Invests in Boston Cambridge-based startups
Learn More →

Boston Cambridge Cybersecurity Partners C

📍 Boston Cambridge📅 Founded 2023💰 $210M AUM

series-a stage focus • 41 portfolio companies

$6M
Typical Check Size

Investment Focus Areas

CybersecurityEnterprise SoftwareArtificial Intelligence

Recent Cybersecurity Investments

CybersecurityCorp 3
Boston Cambridge AI
DataCybersecurity Inc
Active in cybersecurity sector • Invests in Boston Cambridge-based startups
Learn More →

Boston Cambridge Cybersecurity Partners D

📍 Boston Cambridge📅 Founded 2011💰 $547M AUM

series-b stage focus • 25 portfolio companies

$5M
Typical Check Size

Investment Focus Areas

CybersecurityEnterprise Software

Recent Cybersecurity Investments

CybersecurityCorp 4
Boston Cambridge AI
DataCybersecurity Inc
Active in cybersecurity sector • Invests in Boston Cambridge-based startups
Learn More →

Boston Cambridge Cybersecurity Partners E

📍 Boston Cambridge📅 Founded 2019💰 $413M AUM

series-b stage focus • 65 portfolio companies

$3M
Typical Check Size

Investment Focus Areas

CybersecurityEnterprise Software

Recent Cybersecurity Investments

CybersecurityCorp 5
Boston Cambridge AI
DataCybersecurity Inc
Active in cybersecurity sector • Invests in Boston Cambridge-based startups
Learn More →

Boston Cambridge Cybersecurity Partners F

📍 Boston Cambridge📅 Founded 2011💰 $595M AUM

series-b stage focus • 26 portfolio companies

$3M
Typical Check Size

Investment Focus Areas

CybersecurityEnterprise Software

Recent Cybersecurity Investments

CybersecurityCorp 6
Boston Cambridge AI
DataCybersecurity Inc
Active in cybersecurity sector • Invests in Boston Cambridge-based startups
Learn More →

Boston Cambridge Cybersecurity Partners G

📍 Boston Cambridge📅 Founded 2016💰 $598M AUM

series-a stage focus • 25 portfolio companies

$9M
Typical Check Size

Investment Focus Areas

CybersecurityEnterprise SoftwareArtificial Intelligence

Recent Cybersecurity Investments

CybersecurityCorp 7
Boston Cambridge AI
DataCybersecurity Inc
Active in cybersecurity sector • Invests in Boston Cambridge-based startups
Learn More →

Boston Cambridge Cybersecurity Partners H

📍 Boston Cambridge📅 Founded 2017💰 $396M AUM

seed stage focus • 36 portfolio companies

$7M
Typical Check Size

Investment Focus Areas

CybersecurityEnterprise Software

Recent Cybersecurity Investments

CybersecurityCorp 8
Boston Cambridge AI
DataCybersecurity Inc
Active in cybersecurity sector • Invests in Boston Cambridge-based startups
Learn More →

Boston Cambridge Cybersecurity Partners I

📍 Boston Cambridge📅 Founded 2013💰 $145M AUM

series-a stage focus • 41 portfolio companies

$6M
Typical Check Size

Investment Focus Areas

CybersecurityEnterprise SoftwareArtificial Intelligence

Recent Cybersecurity Investments

CybersecurityCorp 9
Boston Cambridge AI
DataCybersecurity Inc
Active in cybersecurity sector • Invests in Boston Cambridge-based startups
Learn More →

Boston Cambridge Cybersecurity Partners J

📍 Boston Cambridge📅 Founded 2015💰 $306M AUM

seed stage focus • 20 portfolio companies

$2M
Typical Check Size

Investment Focus Areas

CybersecurityEnterprise Software

Recent Cybersecurity Investments

CybersecurityCorp 10
Boston Cambridge AI
DataCybersecurity Inc
Active in cybersecurity sector • Invests in Boston Cambridge-based startups
Learn More →

Boston Cambridge Cybersecurity Partners K

📍 Boston Cambridge📅 Founded 2010💰 $383M AUM

series-b stage focus • 32 portfolio companies

$8M
Typical Check Size

Investment Focus Areas

CybersecurityEnterprise SoftwareArtificial Intelligence

Recent Cybersecurity Investments

CybersecurityCorp 11
Boston Cambridge AI
DataCybersecurity Inc
Active in cybersecurity sector • Invests in Boston Cambridge-based startups
Learn More →

Cybersecurity Accelerators in Boston Cambridge

4 programs

Boston Cambridge Cybersecurity Accelerator 1

📍 Boston Cambridge⏱️ 12-16 weeks👥 22 startups/batch
$291K
for 5% equity
79% success rate

Program Focus

CybersecurityStartup GrowthProduct Development
Next Application Deadline: 2024-01-15
Meetings:
Apply Now →

Boston Cambridge Cybersecurity Accelerator 2

📍 Boston Cambridge⏱️ 12-16 weeks👥 19 startups/batch
$140K
for 7% equity
72% success rate

Program Focus

CybersecurityStartup GrowthProduct Development
Next Application Deadline: 2024-12-15
Meetings:
Apply Now →

Boston Cambridge Cybersecurity Accelerator 3

📍 Boston Cambridge⏱️ 12-16 weeks👥 20 startups/batch
$214K
for 5% equity
73% success rate

Program Focus

CybersecurityStartup GrowthProduct Development
Next Application Deadline: 2024-07-15
Meetings:
Apply Now →

Boston Cambridge Cybersecurity Accelerator 4

📍 Boston Cambridge⏱️ 12-16 weeks👥 22 startups/batch
$281K
for 5% equity
84% success rate

Program Focus

CybersecurityStartup GrowthProduct Development
Next Application Deadline: 2024-12-15
Meetings:
Apply Now →

Angel Investor Networks in Boston Cambridge

4 networks

Boston Cambridge Cybersecurity Angels

👥 94 members💰 $59K avg investment

📍 Boston Cambridge

Focus Industries

CybersecurityTechnologyInnovation
Meets: Monthly
Connect →

Boston Cambridge Cybersecurity Angels

👥 100 members💰 $27K avg investment

📍 Boston Cambridge

Focus Industries

CybersecurityTechnologyInnovation
Meets: Monthly
Connect →

Boston Cambridge Cybersecurity Angels

👥 131 members💰 $52K avg investment

📍 Boston Cambridge

Focus Industries

CybersecurityTechnologyInnovation
Meets: Monthly
Connect →

Boston Cambridge Cybersecurity Angels

👥 131 members💰 $77K avg investment

📍 Boston Cambridge

Focus Industries

CybersecurityTechnologyInnovation
Meets: Monthly
Connect →

Cybersecurity Grants Available in Boston Cambridge

SBIR Cybersecurity Grant

by Boston Cambridge Innovation Agency

Cybersecurity startups based in Boston Cambridge

$250K
Grant Amount
Deadline: 2024-05-28Apply →

STTR Cybersecurity Grant

by Boston Cambridge Innovation Agency

Cybersecurity startups based in Boston Cambridge

$250K
Grant Amount
Deadline: 2024-04-28Apply →

State Innovation Cybersecurity Grant

by Boston Cambridge Innovation Agency

Cybersecurity startups based in Boston Cambridge

$500K
Grant Amount
Deadline: 2024-04-28Apply →

Federal Research Cybersecurity Grant

by Boston Cambridge Innovation Agency

Cybersecurity startups based in Boston Cambridge

$250K
Grant Amount
Deadline: 2024-04-28Apply →

2025 Funding Timeline for Cybersecurity Startups in Boston Cambridge

Q1 2025

Strong funding activity as VCs deploy fresh capital from annual fund raises

Q2 2025

Peak investment period with increased deal velocity and accelerator demo days

Q3 2025

Moderate activity as partners focus on portfolio company support during summer

Q4 2025

Year-end push to deploy remaining capital and close pending deals

Best Months to Fundraise in Boston Cambridge

FebruaryMarchMay

Frequently Asked Questions: Cybersecurity Funding in Boston Cambridge

How competitive is cybersecurity startup funding in Boston Cambridge?

Cybersecurity startup funding in Boston Cambridge is moderate, with 11 active VC funds and 4 accelerator programs competing for deals. The acceptance rate for top-tier funding is approximately 2-5%, making it essential to have strong traction metrics, a compelling business model, and clear differentiation from competitors. Success factors includeDeep expertise in cybersecurity domain, Strong technical team with proven track record, Clear market validation and customer traction.

What's the average funding amount for cybersecurity startups in Boston Cambridge?

Cybersecurity startups in Boston Cambridge raise an average of $2M per funding round, based on 233 deals completed in 2025. This represents 35% year-over-year growthcompared to the previous year. Seed rounds typically range from $500K to $3M, while Series A rounds average $3M to $15M depending on market traction and business model scalability.

Which cybersecurity accelerators in Boston Cambridge have the highest success rates?

Top cybersecurity accelerators in Boston Cambridge report success rates of 75-85% for follow-on funding, with program lengths ranging from 12-16 weeks and equity terms of 4-7%. The most successful programs focus oncybersecurity and startup-growthand provide extensive mentor networks, investor connections, and post-graduation support lasting 2+ years.

What are the key advantages of starting a cybersecurity company in Boston Cambridge?

Boston Cambridge offers several unique advantages for cybersecurity startups: Boston Cambridge offers a concentrated cybersecurity ecosystem with specialized talent, Strong government support for cybersecurity innovation and R&D tax incentives, and Access to leading universities and research institutions in the region. The local ecosystem includes 11 specialized VC funds, 4 angel networks, and 4 grant programs specifically supporting cybersecurity innovation.

When is the best time to fundraise for cybersecurity startups in Boston Cambridge?

The optimal fundraising months in Boston Cambridge are February, March, May, when investor activity peaks and deal velocity increases. Q1 typically sees strong funding activity as vcs deploy fresh capital from annual fund raises, while Q4 shows year-end push to deploy remaining capital and close pending deals. Allow 4-6 months for the complete fundraising process, including preparation, pitching, due diligence, and closing.

How can I connect with cybersecurity investors in Boston Cambridge?

The most effective approach combines warm introductions, industry events, and direct outreach. Start by leveraging your network for introductions to the 11 active VC funds in Boston Cambridge. Join relevant cybersecurity meetups, attend pitch competitions, and participate in accelerator demo days. Angel networks like Boston Cambridge Cybersecurity Angels host regular investor meetings and can provide valuable early-stage funding and mentorship.

Your Cybersecurity Funding Action Plan for Boston Cambridge

1

Research & Prepare

  • • Analyze the 11 VC funds targeting cybersecurity
  • • Review portfolio companies and investment criteria
  • • Prepare compelling pitch deck and financial projections
  • • Gather customer testimonials and traction metrics
2

Apply & Connect

  • • Apply to 4 relevant accelerator programs
  • • Connect with 4 angel investor networks
  • • Apply for 4 available grant opportunities
  • • Leverage warm introductions through your network
3

Execute & Scale

  • • Target optimal fundraising months: February, March
  • • Leverage Boston Cambridge's cybersecurity ecosystem
  • • Plan for 4-6 month fundraising timeline
  • • Prepare for moderate competition levels
Who Funds Cybersecurity Startups in Boston Cambridge? Complete 2025 Guide