- Home
- Data
- Funding
- Ocean Security
- Series A, May 2026
Funding record · 2026 / 05

Ocean Security raises $20M Series A for email & messaging security
Announced 19 May 2026 · Recorded 8 September 2026 · Last verified 8 September 2026
Ocean Security, an email & messaging security company based in New York, United States, raised $20M in a Series A announced on 19 May 2026, led by Lightspeed Venture Partners, Assaf Rappaport and Cerca Partners with 7 others. Its disclosed equity funding is now $28M across 2 rounds.
- Amount
- $20M
- Round
- Series A
- Announced
- 19 May 2026
- Lead investors
- Lightspeed Venture Partners, Assaf Rappaport, Cerca Partners, Dan Amiga, Dor Knafo, Mickey Boodaei, Nadir Izrael, Picture Capital, Rakesh K. Loonkar, Yevgeny Dibrov
- Sources on record
- 1calcalistech.com
From the source
Ocean Emerges From Stealth With $28M for Agentic Email Security Platform
Ocean, an agentic email security platform focused on AI-driven email attacks and phishing defense, has emerged from stealth with $28 million in total funding. The platform uses autonomous AI agents to analyze intent rather than patterns in incoming messages. Funding led by Lightspeed Venture Partners.
calcalistech.com · 20 May 2026 ↗The Mandos read
What the record says about Ocean Security
- Exit Readiness: Lowlocked →
Tested against 751 past exits in the Mandos record: 43% sat in Watch or Elevated 2 years before. Companies in Elevated exited at 3.1× the record's rate.
- Buyers most often compare Ocean Security with Abnormal Securitylocked →
the full set in the platform
Funding history
Ocean Security funding on record
Ocean Security has raised $28M in priced equity. Its most recent round was a Series A in May 2026.
Latest round on record: Series A, May 2026.
Ocean Security funding on the profile →In the platform
The round is the fact. The read is the product.
Every round, investor and correction for Ocean Security, the competitors buyers weigh it against, hiring by department, and an alert when the next thing happens.
The same record answers in Claude, ChatGPT and Cursor through the Mandos MCP server.
The Mandos Brief
Cybersecurity funding, deals and moves, every Monday.
FAQ
Questions people ask
- How much did Ocean Security raise in its Series A?
- Ocean Security raised $20M in a Series A announced on 19 May 2026.
- Who invested in Ocean Security's Series A?
- The round was led by Lightspeed Venture Partners, Assaf Rappaport, Cerca Partners, Dan Amiga, Dor Knafo, Mickey Boodaei, Nadir Izrael, Picture Capital, Rakesh K. Loonkar, Yevgeny Dibrov.
- What does Ocean Security do?
- Ocean Security is a cybersecurity company specializing in Email & Messaging Security, founded in 2024 and headquartered in New York, United States.













