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op4.io
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op4.io

12 technologies
VerifiedGrowingVisit4.1K/mo$0M512 Tech2 Leads
Deep Dive

OP4: The Startup Betting on DARPA to Fix Firmware

With just 5 employees and $100k revenue, this tiny firm is tackling the most dangerous vulnerabilities in tech.

In a cybersecurity landscape dominated by giants, OP4 is quietly weaponizing DARPA technology to hunt for the invisible bugs that keep CISOs awake at night. They aren't chasing endpoint detection—they're going straight for the firmware.

5
Employees
$0.1M
Annual Revenue
4,106
Monthly Visits
38%
Organic Traffic

"OP4 isn't just scanning code; they're building a dataset of vulnerabilities that aims to outpace the exploiters."

The DARPA Advantage

OP4's claim to fame is its lineage. By leveraging technology developed by the Defense Advanced Research Projects Agency (DARPA), they position themselves in a rare tier of security startups. This isn't just marketing fluff; DARPA's automated vulnerability detection programs represent the bleeding edge of AI-driven security. For a company of only five people, accessing this pedigree suggests a high technical ceiling with a remarkably lean operation.

The Firmware Frontier

While the market is saturated with SaaS security tools, OP4 is targeting the 'secure by design' future—specifically in firmware and embedded systems. Their focus on N-day and 0-day vulnerabilities in products (likely IoT and hardware) addresses a massive blind spot in modern infrastructure. The fact that 39% of their traffic is direct indicates a small but dedicated user base already seeking them out by name, a strong signal of product-market fit in a niche sector.

The traffic data paints a picture of a company in its infancy. Ranking #5,066,589 globally with just 4,106 monthly visits puts them in the 'long tail' of the internet. However, the keyword strategy reveals intent. The top search term is simply 'op4' (1,620 monthly searches), suggesting brand recall is outpacing broad discovery. They are a secret waiting to be found.

  • Tiny team, massive ambition: 5 employees managing a DARPA-derived stack.
  • Bootstrapped or early-stage: $0.1M revenue suggests pre-scale or seed stage.
  • Niche dominance: Focusing on firmware/embedded security where legacy tools fail.
  • Strong technical stack: Utilizing modern tools like Tailwind CSS and DaisyUI alongside security staples like Hotjar.
No massive marketing budget (Global Rank #5M+)
Proprietary DARPA technology
Not yet a household name in the VC ecosystem
Hyper-focused on high-impact firmware vulnerabilities
Limited public social presence (Twitter/LinkedIn only)
High direct traffic percentage (39%) indicates loyal early adopters

The Sleeper Pick

OP4 is a high-risk, high-reward play. With DARPA tech and a laser focus on the firmware layer, they are positioned to become an acquisition target for any major hardware or security vendor looking to secure the supply chain.

What tech stack does Op4 use?

22 detected
Security1
Cloud & Hosting1
Marketing Automation1
Analytics & Marketing2
Web Standards1
UI Libraries1
JavaScript Libraries1
Tracking & Analytics10
G
Google Analytics
H
Hotjar
H
Hotjar
G
Google APIs
G
Google Tag Manager
A
Amazon CloudFront
H
Hotjar
G
Google Static
G
Google Analytics
H
HubSpot

How much traffic does Op4 get?

Traffic & Engagement

4.1K
Monthly Visits
1.1
Pages/Visit
0:00
Avg. Duration
38%
Bounce Rate
Monthly Traffic Trend+47%
2.8K
Oct 2025
Oct
3.1K
Nov 2025
Nov
4.1K
Dec 2025
Dec

Traffic Sources

Search
38%
Direct
39%
Social
7%
Referrals
13%
Email
0%
Paid
2%

Where is Op4's audience located?

🌍61.9%
🌍37.2%
🌍0.9%

What keywords does Op4 rank for?

3 keywords
1op41.6K vol$1.08
2op 4420 vol
3öp420 vol

How is Op4's SEO?

Open Graph Image

OG Image preview
og:image

https://cdn.prod.website-files.com/6567b45306d89264bc7a4221/659488e48701c30418088392_featured-image.png

Meta Tags

title12 chars

Home - OP[4]

description158 chars

OP4 uses DARPA developed technology to automatically detect and remediate N and 0 Day vulnerabilities in Products, while giving you a secure by design future.

languageEN

H1 Tags

h1The Largest Dataset of‍‍Software Vulnerabilities

Who works at Op4?

Loading leads...

What do customers think of Op4?

No Trustpilot reviews available for this company.

Frequently Asked Questions about Op4

What is Op4's Revenue?
Op4 generates approximately $0M in annual revenue. With 5 employees, that's $20,400 per employee.
What does Op4 do?
OP4 uses DARPA developed technology to automatically detect and remediate N and 0 Day vulnerabilities in Products, while giving you a secure by design future.
How fast is Op4 growing?
Op4 employee count has changed by 67% year over year.
What technologies does Op4 use?
Op4 uses 12 technologies across their website including Fonts, Security, CMS. Key technologies include Google Fonts, HSTS, Webflow.
Who are Op4's competitors?
Op4's main competitors include GH Engineering, Sedulous Consulting Services, Alarm.com, GroupSense, FireTail.io. These companies operate in similar markets and compete for the same customer base.

Export Data

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How to contact Op4?

Social Profiles

Contact Information

What are Op4's key pages?

Export op4.io Data

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Raw JSON Data

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About op4.io

OP4 uses DARPA developed technology to automatically detect and remediate N and 0 Day vulnerabilities in Products, while giving you a secure by design future.

Company Overview

op4.io
Website
#5,066,589
Global Rank
4.1K
Monthly Visitors
12
Technologies
2+
Employees

op4.io Key Pages

Contact op4.io

Phone Numbers

Technology Stack

op4.io uses 12 technologies across their website including Google Fonts, HSTS, Webflow, and more.

Fonts

Google Fonts

Security

HSTS

CMS

Webflow

Cloud & Hosting

AWS CloudFront

Marketing Automation

HubSpot

Analytics & Marketing

Hotjar, Google Analytics

Traffic & Audience

4.1K
Monthly Visits
38%
Bounce Rate
1.1
Pages/Visit
0:00
Avg. Duration

op4.io receives approximately 4.1K monthly visitors and ranks #5,066,589 globally. The website has a bounce rate of 38% with visitors viewing an average of 1.1 pages per visit. Users spend an average of 0:00 on the site.

The majority of op4.io's traffic comes from undefined, undefined, .

Frequently Asked Questions

What is op4.io?
OP4 uses DARPA developed technology to automatically detect and remediate N and 0 Day vulnerabilities in Products, while giving you a secure by design future.
What technologies does op4.io use?
op4.io uses 12 technologies including Google Fonts, HSTS, and 6 more. View the full tech stack analysis above.
How do I contact op4.io?
You can contact op4.io through their contact page.
What are op4.io's social media accounts?
op4.io is active on twitter, linkedin. You can find links to all their social media profiles in the social section above.
How popular is op4.io?
op4.io receives approximately 4.1K monthly visitors and ranks #5,066,589 globally. Traffic is growing by 32.0% month-over-month.

Related Searches

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This page provides publicly available information about op4.io. Data is collected from various public sources and may not always be up to date. For the most accurate information, please visit op4.io directly at https://op4.io.