Realm.Security
Realm.Security is a cybersecurity company specializing in Security Operations, founded in 2024 and headquartered in Boston, United States. It has raised $22M in equity across 3 priced rounds, employs about 53 people, and is privately held.
updated Oct 11, 2026
Latest Realm.Security news and company activity
What Realm.Security did, dated — selected moves from the record, one per kind, newest first.
- Jul 2026Feature launchRealm Security Debuts Detection Integrity and Data Haven Search to Reduce SIEM Log Volume
- Jun 2026Customer winRealm.Security More Than Doubles Customer Base, Lands Global Materials Science Leader as Enterprises Reclaim Control of Security Data
- Apr 2026Funding roundRealm Raises $4.5M to Bring the 'Cursor Moment'
- Dec 2025Funding round
Realm.Security Momentum score
69/ 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.
Realm.Security funding
Realm.Security has raised $22M in priced equity. Its most recent round was a Venture Round in December 2025. It has 3 funding rounds on record: Seed, Series A, and Venture Round. 4 investors are on record, including Presidio Ventures and Jump Capital.
- Equity raised
- $22M3 priced rounds
- Last round
- Venture RoundDec 2025
Realm.Security employees and hiring
As of September 2026, Realm.Security has about 53 employees.
- Employees
- 53
- 30-day change
- 0%
- Open roles
- 0
Realm.Security competitors
Competitors of Realm.Security include Red Canary, Monad, and Edge Delta. 23 more are in the platform, with overlap scoring.
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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
