Sector portfolio · Accelerator · United States
Y Combinator's Cybersecurity portfolio
Y Combinator has backed 45 Cybersecurity startups in rounds we track, $1.1B between them, shown by the stage each has reached. The best-funded is Securityscorecard.
45startups backed
5stages
$1.1Braised between them
Pre-seed and seedbiggest stage
Funding by segment
- Pre-seed and seed$57M22
- Series A$100M8
- Stage not reported$278M7
- Series C and later$502M4
- Series B$147M4
Where they are based
- United States37$880M
- Ethiopia1$5.0M
- Sweden1$1.0M
- Austria1$500K
- Canada1$14M
- Poland1$8.2M
- Uruguay1$94M
- Ireland1$52M
- France1$30M
United States
Ethiopia
Sweden
Austria
Canada
Poland
Uruguay
Ireland
FranceFounded
1Earlier
312
213
14
315
316
117
118
219
420
321
322
623
124
125
26
11 without a founding year on record.
Total raised
- Under $1M9
- $1M to $10M19
- $10M to $50M10
- $50M to $250M6
- $250M to $1B1
- $1B and over0
Each dot is a startup: the year it was founded across, the total it has raised up (each line is ten times the one below). Pick a segment to pick it out.
34 of 45 startups shown; the rest have no founding year or amount on record.
- 1 to 2
- 3 to 7
- 8 to 24
- 25 to 99
- 100 and more
- United States37
- Ethiopia1
- Sweden1
- Austria1
- Canada1
- Poland1
- Uruguay1
- Ireland1
- France1
Startups by country, 9 countries in all.
Segment by segment
Pre-seed and seed
22 startups · $57M raised
JourneyJourney provides mental health solution.United States$7.7M
AuthyAuthy provides strong authentication for the connected world, protecting people and the enterprise against malicious attacks.United States$6.1M
ContraForceContraForce is an AI-powered Security Delivery Platform founded in 2020, based in McKinney, Texas, with additional locations in FrUnited States$5.2M- BABetter AuthEthiopia$5.0M
Next CallerNext Caller develops and offers a real time call verification technology solution that provides phone fraud detection services.United States$5.0M
SuperTokensSuperTokens is an open-source user authentication and session management platform founded in 2019.United States$3.5M
RepacketRepacket makes browsing the internet secure.United States$3.5M
TesseralTesseral is a technology startup based in San Francisco, founded in 2023.United States$3.3M
Series A
8 startups · $100M raised
Red BalloonRed Balloon specializes in digital marketing, website design, branding, digital strategy, and e-commerce automation services.United States$22M
MedCryptMedcrypt is a cybersecurity company founded in 2016, specializing in proactive security solutions and strategic consulting for medUnited States$16M
SqreenSqreen is a monitoring and protection platform made to be incredibly powerful yet very easy to use.United States$14M
Feroot SecurityFeroot Security is an AI-native cybersecurity and compliance platform based in Toronto, Ontario, Canada.Canada$14M
AuthZedAuthZed is a New York-based software company founded in 2020 that specializes in permissions systems as a service.United States$12M- AAuthologicPoland$8.2M
UpfortUpfort is a cybersecurity and cyber insurance platform that combines advanced security tools with comprehensive insurance coverage.United States$8.0M- SSmyteSmyte stops bad actors on marketplaces and social networks.United States$6.3M
Stage not reported
7 startups · $278M raised
CLEARClear is a fintech platform that provides services for invoices, taxes, payments, and credit.United States$146M
StrikeStrike Ventures, a new model for early growth investing.Uruguay$94M
Paladin DronesPaladin Drones is a simple system to give first responders instant situational awarenessUnited States$18M
KangarooKangaroo is a New York-based entertainment company that develops NFT-based storytelling video games.United States$15M- PCPaladin CyberUnited States$3.6M
BlockScoreBlockScore provides real-time identity verification services.United States$2.0M
FirezoneFirezone is an open-source, zero-trust access platform founded in 2021 and headquartered in Mountain View, California.United States$500K
Series C and later
4 startups · $502M raised
SecurityScorecardSecurityScorecard is a leader in cybersecurity ratings and third-party risk management, providing AI-driven solutions for continuoUnited States$278M- SSSift ScienceUnited States$107M
WallarmWallarm is a prominent provider of API and AI security solutions, headquartered in San Francisco, California.United States$66M
FlashpointFlashpoint is an international tech investment firm with approximately $500 million in assets under management (AUM), focusing on U.S.Ireland$52M
Series B
4 startups · $147M raised
InfisicalInfisical is a San Francisco-based cybersecurity startup founded in 2022 by Maidul Islam, Vlad Matsiiako, and Tony Dang.United States$56M
SafeBaseSafebase interprets and analyses large data to improve operations through big data, machine learning and artificial intelligence.United States$33M- RRiotFrance$30M
InscribeInScribe is a digital student support and community platform based in Denver, Colorado, founded in 2017.United States$28M
How this map is made. Every startup here works in Cybersecurity and has raised money in a round we track that names Y Combinator as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.
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