# Defendify funding: rounds and investors

> Defendify has raised $5.5M across 3 rounds since 2019. Investors include Maine Technology Institute and 3dot6 Ventures. Every round with its source.

Source: https://millionrounds.com/company/defendify (Millionrounds; every figure on the page links to its filing or article)

United States · [Venture startup](https://millionrounds.com/companies)

# Who invested in *Defendify*

3 rounds we have observed, with the 2 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Cybersecurity

Raised 12 months ago

Funding summary Updated 26 Oct 2026

**$5.5M** raised across 3 rounds since 2019, from 3 sources

**$1.6M** Pre-seed **$2.5M** Venture **$1.4M** Round

- **Latest round:** Round, $1.4M Oct 2025
- **Biggest round:** $2.5M Venture · Feb 2025
- **Investors:** 2

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2020 2021 2022 2023 2024 2025

**$1.6M** Pre-seed

**$2.5M** Venture

**$1.4M** Round

- **First round:** Pre-seed, $1.6M
- **Biggest round:** $2.5M
- **Usual gap between rounds:** 5.6 years

## The rounds

- **Oct 2025** Round **$1.4M** No investor was named in the report. Filed with the SEC (Form D); no report of this raise yet SEC filing: $1.4M sold, first sale Oct 2025
- **Feb 2025** Venture **$2.5M** *1 returning* [Maine Technology Institute](https://millionrounds.com/fund/maine-technology-institute) Source recorded SEC filing: $2.5M sold, first sale Jan 2025
- **Jun 2019** Pre-seed **$1.6M** *2 new* [Maine Technology Institute](https://millionrounds.com/fund/maine-technology-institute) [3dot6 Ventures](https://millionrounds.com/fund/3dot6-ventures) Reported by FinSMEs SEC filing: $1.4M sold, first sale Sept 2019

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Pre-seed** 2019 **Venture** 2025 **Round** 2025 [Maine Technology Institute](https://millionrounds.com/fund/maine-technology-institute) [3dot6 Ventures](https://millionrounds.com/fund/3dot6-ventures)

## Everyone who backed them

[Maine Technology Institute](https://millionrounds.com/fund/maine-technology-institute) Government **2** rounds

[3dot6 Ventures](https://millionrounds.com/fund/3dot6-ventures) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=defendify).

## Quick answers about Defendify

### Who invested in Defendify?

Defendify's investors include Maine Technology Institute and 3dot6 Ventures.

### How much has Defendify raised?

Defendify has raised $5.5M across 3 rounds since 2019.

### When did Defendify last raise?

Defendify's most recent round, $1.4M, was in Oct 2025.

### What was Defendify's biggest round?

Defendify's largest round on record is $2.5M (Venture), in Feb 2025.

### Who backed Defendify first?

Defendify's first round on record, in Jun 2019, was backed by Maine Technology Institute and 3dot6 Ventures.

### What stage is Defendify at?

Defendify's latest named round is a Venture, in Feb 2025.

### Where is Defendify based?

Defendify is based in the United States.

## Companies like Defendify

In the same sector, and raised in the last eighteen months.

[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Opsin** $21M · Oct 2026](https://millionrounds.com/company/opsin)[**Harmonic Security** $68M · Oct 2026](https://millionrounds.com/company/harmonic-security)[**Reach Security** $60M · Oct 2026](https://millionrounds.com/company/reach-security)[**Persona** $210M · Oct 2026](https://millionrounds.com/company/persona)[**Hilt** $4.7M · Oct 2026](https://millionrounds.com/company/hilt)

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