Alethea
Alethea is a cybersecurity company specializing in Attack Surface, founded in 2019 and headquartered in Washington, United States. It has raised $30M in equity across 2 priced rounds, employs about 76 people, and is privately held.
updated Sep 12, 2026
Latest Alethea news and company activity
What Alethea did, dated — selected moves from the record, one per kind, newest first.
- 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
7 events tracked since Dec 2025 · selected events shownUnlock the complete Alethea timeline
Alethea Momentum score
34/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Alethea funding
Alethea has raised $30M in priced equity. Its most recent round was a Series B in April 2024.
- Equity raised
- $30M2 priced rounds
- Last round
- Series BApr 2024
Alethea employees and hiring
Alethea has about 76 employees, down 3% over the last 30 days.
- Employees
- 76
- 30-day change
- -3%
- Open roles
- 0
Alethea competitors
Security professionals most often compare Alethea against ZeroFox, Allure Security, and Axur on cybersectools.com. 1 more is in the platform, with overlap scoring.
by search demand for comparison pages on cybersectools.com, 90 days
The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobslive postings, hiring pace, role mix
- Tech stackframeworks, clouds, security
