Latest Cybersecurity Startup Funding Rounds

Security companies raising capital to protect identities, applications, infrastructure and data.

This page showsSector: Cybersecurity
Rounds
90
Jul 18 – Oct 15, 2026
Disclosed funding
$4B
75 disclosed amounts
Median round
$21M
Of disclosed amounts
90 rounds
Funding rounds
CompanyAmountRoundSectorCountryInvestorsAnnounced
Act SecurityCybersecurity · IsraelCompany profile

Cloud security software that restricts effective access across identities, networks and AI workloads.

Cloud security software that restricts effective access across identities, networks and AI workloads.

$40MSeries ACybersecurityIsraelInvestors
FrenosCybersecurity · United StatesCompany profile

Develops AI-based tools that continuously validate operational-technology security posture.

Develops AI-based tools that continuously validate operational-technology security posture.

$1.5MSeed+SeedCybersecurityUnited StatesInvestors
Spur IntelligenceCybersecurity · United StatesCompany profile

Helps enterprises distinguish legitimate human users from bot traffic.

Helps enterprises distinguish legitimate human users from bot traffic.

$200MUndisclosedCybersecurityUnited StatesInvestors
World FoundationFintech · Cayman IslandsCompany profile

World Foundation is a nonprofit steward of the World protocol, advancing its human-first mission and serving the long-term interests of the network and its community

World Foundation is a nonprofit steward of the World protocol, advancing its human-first mission and serving the long-term interests of the network and its community

$52.5MStrategicUndisclosedCybersecurity, FintechCayman IslandsInvestors
AegisAICybersecurity · United StatesCompany profile

AegisAI builds email security that uses language models and autonomous agents to investigate message intent and identity.

AegisAI builds email security that uses language models and autonomous agents to investigate message intent and identity.

$36MSeries ACybersecurityUnited StatesInvestors
WorkstreetCybersecurity · United StatesCompany profile

Workstreet provides AI-native cybersecurity and compliance services to regulated industries

Workstreet provides AI-native cybersecurity and compliance services to regulated industries

UndisclosedGrowthCybersecurityUnited StatesInvestors
AbstractCybersecurity · United StatesCompany profile

Streaming security operations that detect threats in motion and route data across an organisation’s tools.

Streaming security operations that detect threats in motion and route data across an organisation’s tools.

$25MUndisclosedCybersecurityUnited StatesInvestors
OsspreyCybersecurity · United KingdomCompany profile

Develops technology that detects malicious code in open-source software before it reaches production

Develops technology that detects malicious code in open-source software before it reaches production

$2.7MPre-SeedPre-seedCybersecurityUnited KingdomInvestors
StrongestLayerCybersecurity · United StatesCompany profile

AI-native email security company that detects and stops advanced phishing and business email compromise attacks

AI-native email security company that detects and stops advanced phishing and business email compromise attacks

$4.1MSeed+SeedCybersecurityUnited StatesInvestors
TwentyCybersecurity · United StatesCompany profile

Twenty builds AI-enabled cyber warfare systems for the U.S. military and intelligence community

Twenty builds AI-enabled cyber warfare systems for the U.S. military and intelligence community

$30MSeries B+Series BCybersecurityUnited StatesInvestors

Active investors in this selection

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Ranked by rounds participated in · From Jul 18, 2026

  1. 1
    Osney Capital

    CodeWall, SCI Semiconductor, Ossprey

    3rounds
    1led
  2. 2
    Sequoia Capital

    Cymphony, AIR, CORMA

    3rounds
    3led
  3. 3
    Bessemer Venture Partners

    Upwind Security, Onyx Security, Act Security

    3rounds
    1led
  4. 4
    Insight Partners

    DataBahn, Inforcer, Spur Intelligence

    3rounds
    —led
  5. 5
    SYN Ventures

    Opsin, Balance Theory

    2rounds
    1led

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