RapidFort

Attack Surface Management Threat & Vulnerability Management

A Sunnyvale software-supply-chain security company that closed a $42M Series A and claims 60-90% attack-surface reduction.

Visit Website ↗ + Add to Compare Claim This Company

57/100Incremental Innovator

Overview

RapidFort, founded in 2020 and based in Sunnyvale, automatically shrinks container and software attack surface by stripping unneeded components before code ships, claiming a 60-90% reduction in exploitable vulnerabilities. It moves from reactive scanning to continuous, automated hardening.

The founder-led company closed a $42 million Series A to expand go-to-market.

Innovation Matrix Assessment

Innovation Velocity 6/10

Automates continuous attack-surface reduction rather than one-time scanning, a meaningful shift from traditional periodic vulnerability management.

Operational Value 6/10

Founded in 2020 with ~85 employees and nearly $53M raised to date, indicating real product deployment beyond early prototype stage.

Market Momentum 7/10

Closed a $42M Series A in February 2026 led by Blue Cloud Ventures and Forgepoint Capital. Also featured in Cyber Defense Magazine's Innovator Spotlight series, a sister editorial publication, adding real external visibility.

Category Disruption 5/10

Reframes vulnerability management around elimination of unnecessary components rather than incremental patch prioritization.

Real-World Efficacy 4/10

Claims of 60-90% attack-surface reduction are vendor-reported; independent efficacy validation was not found.

Enduring Relevance 6/10

Addresses the widely recognized software-supply-chain risk problem as build pipelines accelerate with AI-assisted development.

Why CISOs Should Care

Gives CISOs an automated way to shrink container and software attack surface by stripping unneeded components before code ships, cutting exploitable vulnerabilities by a claimed 60-90%.

What Makes It Different

Moves from reactive vulnerability scanning to continuous, automated hardening/elimination of unused software components, rather than only flagging CVEs for manual triage.

The Matrix Verdict

57/100 — INCREMENTAL INNOVATOR

A five-year-old, founder-led software supply-chain security company with real enterprise-scale claims (60-90% attack-surface reduction) that closed a $42M Series A to expand go-to-market.

Editorial Note: Claims vs. Verified Findings

The 60-90% attack-surface-reduction figure is a vendor claim from RapidFort's own materials; independent benchmarking was not found in this pass.

Sources

Alternatives to RapidFort

80 /100

Synack Inc

A penetration-testing-as-a-service platform pairing a vetted researcher community with AI-driven attack surface discovery for continuous security validation.

Meaningful Innovator Threat & Vulnerability Management

80 /100

Horizon3.ai

Autonomous penetration testing company whose NodeZero platform self-attacks networks without persistent agents, aiming to replace annual manual pentests…

Meaningful Innovator Threat & Vulnerability Management

78 /100

CybelAngel

External attack surface management and digital risk protection platform that scans the open, deep, and dark web for…

Meaningful Innovator Attack Surface Management

78 /100

Unknown Cyber Inc.

CISO Reviewed

Malware genomics platform using automated deep static analysis and code-lineage comparison to identify unseen malware, variants, and supply-chain…

Meaningful Innovator Threat & Vulnerability Management

78 /100

watchTowr

Singapore-based platform combining external attack surface management with continuous automated red teaming to validate whether exposures are actually…

Meaningful Innovator Attack Surface Management

78 /100

CyCognito

Agentless attack surface management platform that maps organizations' entire external footprint, including subsidiaries and shadow assets, using graph-based…

Meaningful Innovator Attack Surface Management