What products does LetsDefend sell?

LetsDefend sells LetsDefend Mobile, LetsDefend SOC Analyst Skill Assessment, and LetsDefend for Business.

LetsDefend

Human RiskSterling, United Statesfounded 2021acquired by Hack The Box

LetsDefend is a cybersecurity company specializing in Human Risk, founded in 2021 and headquartered in Sterling, United States. It employs about 165 people and was acquired by Hack The Box in 2025.

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updated Sep 12, 2026

Latest LetsDefend news and company activity

What LetsDefend did, dated — selected moves from the record, one per kind, newest first.

Sep 2025AcquiredHack The Box acquires LetsDefend to expand blue team training ecosystem

1 event tracked since Sep 2025 · selected events shownUnlock the complete LetsDefend timeline

LetsDefend products

LetsDefend employees and hiring

LetsDefend has about 165 employees, down 1% over the last 30 days.

Employees: 165
30-day change: -1%
Open roles: 0

See hiring trends

LetsDefend competitors

Security professionals most often compare LetsDefend against Hack The Box and Adaptive Security on cybersectools.com. The full competitive set, with overlap scoring, is in the platform.

by search demand for comparison pages on cybersectools.com, 90 days

View the competitive set with overlap scores

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

Similar in Human Risk

Common questions about LetsDefend.

How many people work at LetsDefend?: LetsDefend has about 165 employees, down 1% over the last 30 days.
Who are LetsDefend's competitors?: Security professionals most often compare LetsDefend against Hack The Box and Adaptive Security on cybersectools.com. The full competitive set, with overlap scoring, is in the platform.
What does LetsDefend do?: LetsDefend is a cybersecurity company specializing in Human Risk, founded in 2021 and headquartered in Sterling, United States.
What products does LetsDefend sell?: LetsDefend sells LetsDefend Mobile, LetsDefend SOC Analyst Skill Assessment, and LetsDefend for Business.