Island
Island is a cybersecurity company specializing in Endpoint Security, founded in 2020 and headquartered in Dallas, United States. It has raised $1.21B in equity across 10 priced rounds, employs about 1,363 people, and is privately held.
#3Endpoint Security Pacesetter· Q3 2026updated Oct 20, 2026
Latest Island news and company activity
What Island did, dated — selected moves from the record, one per kind, newest first.
- Oct 2026RecognitionIsland Named No. 2 on LinkedIn's Top Startups List in Dallas for Third Consecutive Year
- Sep 2026Mega roundIsland raises $400M Series F
- Aug 2026Exec changeBilly White, Ore Poran and Nitzan Band join Island
- Mar 2026Product launchIsland Enterprise Platform delivers unified control for workspaces and AI
Island Momentum score
77/ 100climbing
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.
Island funding
Island has raised $1.21B in priced equity. Its most recent round was a Series F in September 2026.
- Equity raised
- $1.21B10 priced rounds
- Last round
- Series FSep 2026
Island employees and hiring
Island has about 1,363 employees, up 3% over the last 30 days, with 16 open roles.
- Employees
- 1,363
- 30-day change
- +3%
- Open roles
- 16
Island competitors
Security professionals most often compare Island against Menlo Security, Palo Alto Networks, and LayerX on cybersectools.com. 5 more are in the platform, with overlap scoring.
ranked by CybersecTools comparison demand, 90 days
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Island CISO Score
How Island reads to a CISO buyer: seven dimensions of the Mandos Framework, scored through the eyes of a security buyer.
