Cybersecurity startups in the United States that raised money in the last 12 months

138 cybersecurity startups based in the United States announced or filed 149 venture rounds in the last 12 months, $4.5B of it stated. 32 of the rounds came in the last 90 days. The largest: Cyera (Venture round · $400M), Upwind Security (Series C · $300M) and Cylake (Venture round · $245M). 62 of these startups are hiring now, with 1,150 open roles.

Venture rounds of the last 12 monthsRebuilt 7 Nov 2026
rounds in 12 months
149
startups
138
stated
$4.5B
open roles at them
1,150

The newest rounds

StartupRoundDateOpen roles
JournifySeries A · $12M3 Nov 2026–
NumeracleVenture round · $28M28 Oct 2026–
InfisicalElad GilSeries B · $40M27 Oct 202612
Workshop SoftwareVenture round · $7MSEC Form D22 Oct 2026–
Vinyl HealthHealthX VenturesSeed · $2M20 Oct 2026–
TrustedRouterSeed · $6M18 Oct 2026–
Ready Chapter 1Venture round · $957kSEC Form D15 Oct 2026–
AatmunnVenture round · $8M13 Oct 2026–
SpartanX TechnologiesVenture round · $5MSEC Form D7 Oct 202634
RemitianVenture round · $14MSEC Form D6 Oct 2026–
RecoVenture round · $55M29 Sep 20269
DefendifyVenture round · $6.5MSEC Form D29 Sep 20266
CyeraVenture round · $400M22 Sep 2026240
CorridorBain Capital VenturesVenture round · $25M21 Sep 20267
EigenQVenture round · $22.2MSEC Form D17 Sep 2026–
Comp AISeries A · $34M17 Sep 20261
Althea | Find Legal Psilocybin Therapy - AltheaVenture round · $2.5MSEC Form D14 Sep 2026–
IllumioSeries C · $100M11 Sep 202660
CylakeVenture round · $245M8 Sep 202615
Blue Laser FusionVenture round · $34.1MSEC Form D4 Sep 2026–
Upwind SecuritySeries C · $300M4 Sep 202697
GevitiVenture round · $1.6MSEC Form D3 Sep 2026–
HiddenLayerVenture round · $100M2 Sep 202620
Incode TechnologiesVenture round · $37MSEC Form D2 Sep 202612
TrustedRouterVenture round · $1.3M31 Aug 2026–
SocureVenture round · $156M27 Aug 202685
GetcountVenture round · $4.1MSEC Form D27 Aug 2026–
General CyberneticsVenture round · $15.3MSEC Form D26 Aug 2026–
PrevalentVenture round · $22M19 Aug 2026–
xpanderPico Venture Partners, EmergeSeed · $7.5M17 Aug 2026–
Rapid FlareVenture round · $5.7MSEC Form D12 Aug 2026–
YourSixOSVenture round · $2.3MSEC Form D10 Aug 2026–
StrikegraphVenture round · $1.4MSEC Form D4 Aug 2026–
Obsidian SecurityVenture round · $85M4 Aug 202616
Language I/OVenture round · $1.5MSEC Form D3 Aug 2026–
DexMatVenture round · $1MSEC Form D3 Aug 2026–
EmulateAIVenture round · $400kSEC Form D30 Jul 2026–
VigilisConvertible note · $1.2MSEC Form D29 Jul 2026–
AegisAISeries A · $36M23 Jul 202626
InnerActivVenture round · $1.3MSEC Form D23 Jul 2026–
StrongestLayerVenture round · $4.1M22 Jul 2026–
LayerVVenture round · $625kSEC Form D22 Jul 2026–
ArthurVenture round · $2.7MSEC Form D21 Jul 20262
Empirical SecuritySeries A · $25M21 Jul 20263
OverwatchVenture round · $15MSEC Form D15 Jul 2026–
Fin Pods AiConvertible note · $100kSEC Form D9 Jul 2026–
HakimoVenture round · $12M8 Jul 20261
StrixConvertible note · $60kSEC Form D7 Jul 20266
secureVenture round · $12.7MSEC Form D7 Jul 20261
StraikerSeries A · $64M28 Jun 2026–

The largest rounds

StartupRoundDateOpen roles
CyeraVenture round · $400M22 Sep 2026240
Upwind SecuritySeries C · $300M4 Sep 202697
CylakeVenture round · $245M8 Sep 202615
ThreatLockerVenture round · $189.2MSEC Form D20 May 2026–
SocureVenture round · $156M27 Aug 202685
Point WildVenture round · $150MSEC Form D11 Dec 20252
TorqSeries D · $140M11 Jan 202614
XbowVenture round · $120M18 Mar 20263
CloakedVenture round · $116.7MSEC Form D9 Feb 202615
IllumioSeries C · $100M11 Sep 202660

New rounds, the day they land

Follow the startups and investors you care about: Alion tells you when one raises, starts hiring or opens a role that fits you.

Questions

Which cybersecurity startups in the United States raised money recently?

138 cybersecurity startups based in the United States announced or filed 149 venture rounds in the last 12 months, $4.5B of it stated. 32 of the rounds came in the last 90 days. The largest: Cyera (Venture round · $400M), Upwind Security (Series C · $300M) and Cylake (Venture round · $245M). 62 of these startups are hiring now, with 1,150 open roles.

Where do these rounds come from?

From the startups' own announcements and the press, from SEC Form D filings in the United States and from the share allotments company registers publish (a filing is marked as one in the list). One round per startup, type and week; amounts as stated, in US dollars.

Are these startups hiring?

62 of the 138 startups have open roles on their own careers boards right now, 1,150 roles in all; each count links to them.

Source: announcements, SEC Form D filings and company registers, 6,276 rounds in 12 monthsUpdated 7 Nov 2026MethodologyJSONCC BY-SA 4.0