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LEDGER2026 YTD $33.1B319 roundslast Nov 10, 2026

Series A

Bay Security raises $50M Series A

$50M

By Israel Rounds desk. Edited by Eliran Yihye. Published . Updated .

Bay Security raised $50M in a Series A round1, announced Nov 10, 20261, led by Battery Ventures1.

Bay Security has raised $63M across 2 recorded rounds.1

Lead investor

  • Battery Ventures

Bay Security funding path

Funding rounds raised by Bay Security, oldest to newest$25M$50MSeries A, Nov 10, 2026: $50M$50MASeed, Nov 10, 2026: $13M$13MSeed

Bay Security funding history

2 rounds

Funding rounds raised by Bay Security, newest first
RoundAnnouncedAmountLead investors
SeedNov 10, 2026$13MYL Ventures, Striker Venture Partners
Series ANov 10, 2026$50MBattery Ventures
Total raised$63M

Sources

  1. 1BankInfoSecurity, Nov 10, 2026. “Bay Security Raises $50M to Stop Rogue AI Agent Actions”

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How much did Bay Security raise in its Series A?

Bay Security raised $50M in its Series A, announced Nov 10, 2026.

Who led Bay Security’s Series A?

The round was led by Battery Ventures.

Which investors took part in Bay Security’s Series A?

Participants: Battery Ventures.

How much has Bay Security raised in total?

Bay Security has raised $63M across 2 recorded rounds.