How much funding has Alethea raised?

Alethea has raised $30M in total. Its most recent round was a Series B in April 2024.

How many people work at Alethea?

About 76, down 3% over the last 30 days.

Who are Alethea's competitors?

Hadrian, ZeroFox, and Praetorian are among the closest in Attack Surface. The full competitive set, with overlap scoring, is in the platform.

Alethea

Attack SurfaceWashington, United Statesfounded 2019private

Alethea is a cybersecurity company specializing in Attack Surface, founded in 2019 and headquartered in Washington, United States. It has raised $30M in total funding, employs about 76 people, and is privately held.

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updated Aug 22, 2026

The record

What Alethea did, dated.

Apr 2026Feature launchAlethea's Artemis Platform Enhances Content Removal Process
Mar 2026PartnershipAlethea and Reality Defender Partner to Bring Deepfake Detection into Online Risk Detection
Dec 2025Exec changeAlethea Expands Executive Leadership Team, Taps Glenn Lemons and Peter Trennum

selected events only — the full dated record (7 events since Dec 2025) lives in the platform

Momentum

34 out of 100.

Momentum blends hiring, funding, traffic and sentiment into one score, recomputed daily. The score is free; the pillars behind it unlock in the platform.

Growthlocked

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Products

What Alethea sells.

Alethea ArtemisAI platform for detecting and mitigating disinformation and info ops.Details ↗

In the platform

The other 440 data points.

Funding historyevery round, every lead investor
Headcount growthvelocity, departments, seniority
Open jobslive postings, hiring pace, role mix
Tech stackframeworks, clouds, security

Similar in Attack Surface

FAQ

Common questions about Alethea.

How much funding has Alethea raised?: Alethea has raised $30M in total. Its most recent round was a Series B in April 2024.
How many people work at Alethea?: About 76, down 3% over the last 30 days.
Who are Alethea's competitors?: Hadrian, ZeroFox, and Praetorian are among the closest in Attack Surface. The full competitive set, with overlap scoring, is in the platform.