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Failed Cybersecurity Startups

69 venture-backed cybersecurity startups have shut down after raising $4.9B combined — about 3% of the entire graveyard. The biggest cohort last raised in 2022, and the most common final round was Seed.

Cybersecurity rode one of the most crowded funding waves of 2021 — hundreds of vendors selling adjacent acronyms into the same CISO budget. Consolidation and down rounds followed; the ones that could not be acquired shut down.

The Damage, by the Numbers

$10.0M

Median raised before shutdown

$70.7M

Average raised — the big flameouts drag it up

8

Died holding $100M+ in funding

2

Raised $1B+ and still closed

Class of the crash

Closed cybersecurity startups by year of their final funding round

2021

$803.3M

2022

$2.3B

2023

$286.5M

2024

$279.8M

How far they got

Last round raised before shutting down

Pre-Seed
7
Seed
22
Series A
11
Series B
7
Series C+
4
Debt & Notes
3
Other
15

Based on the last five years of fundraising data tracked in the VCbacked database.

The Graveyard

Showing 100 of 69 closed startups

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Company
Raised
Last RoundWhat They DidLocationFoundersSiteContact
Lacework
$1.9BVentureLacework is a cloud security services provider that automates cloud security at scale so customers can innovate with speed and safety.Mountain View, California, United StatesMike SpeiserReveal
Odata Brasil
$1.1BDebtOdata Brasil the most modern data center infrastructure in Latin America.São Paulo, Sao Paulo, BrazilReveal
AMD Pensando
$313.0MSeries CPensando is a developer of new edge services and programmable processors for enterprise and cloud computing.Milpitas, California, United StatesSoni JiandaniReveal
Noname Security
$220.0MSeries CNoname Security develops software that protects organizations by identifying vulnerabilities and defending against attacks in API systems.Palo Alto, California, United StatesOz GolanReveal
Dazz
$110.0MVentureDazz delivers unified security remediation across code, clouds, infrastructure, and applications for security and development teams.Palo Alto, California, United StatesMerav Bahat, Tomer Schwartz, Yuval OfirReveal
Protect AI
$108.5MSeries BProtect AI is a cybersecurity company that helps in managing security risks and defending against AI security threats.Seattle, Washington, United StatesBadar Ahmed, Daryan (D) Dehghanpisheh, Ian SwansonReveal
Balbix
$101.6MSeries CBalbix offers an AI-native cyber risk and exposure management platform to give security teams a real-time view of their attack surface.San Jose, California, United StatesGaurav BangaReveal
Adlumin
$101.3MSeries BAdlumin provides an enterprise-grade security operations platform to detect cyber threats and keep mid-market organizations secure.Burlington, Massachusetts, United StatesRobert JohnstonReveal
Aware
$87.0MSeries CAware is an AI solution that analyzes human behavior and provides modern governance, risk, and compliance controls.Columbus, Ohio, United StatesJames TsaiReveal
Nok Nok Labs
$70.4MVentureNok Nok Labs is a security platform that provides online authentication solutions for organizations.Palo Alto, California, United StatesRamesh KesanupalliReveal
Penten
$53.1MPEPenten helps the digital transformation of defence & government - creating, building & operating new cyber tech for the modern workforce.Canberra, Australian Capital Territory, AustraliaBen WhithamReveal
SafeBase
$53.1MSeries BSafeBase is a trust center platform for friction-free security reviews changing how companies communicate their security and trust posture.San Francisco, California, United StatesAdar Arnon, Al Yang, Stan ChangReveal
ThreatX
$51.6MSeries BThreatX is a web application and API protection platform that enables enterprises to secure all their applications.Boston, Massachusetts, United StatesAndrew UseckasReveal
Netography
$47.6MSeries ACloud-Native Network Defense Platform for All Your Cloud and On-Prem TrafficAnnapolis, Maryland, United StatesBarrett LyonReveal
Armorblox
$46.5MVentureArmorblox uses deep learning and natural language technologies to protect enterprise communications.Sunnyvale, California, United StatesAnand RaghavanReveal
CalypsoAI
$43.2MVentureCalypsoAI is an AI security platform that provides agentic red-teaming, real-time defense, and automated security enforcement.Washington, District of Columbia, United StatesDavey GibianReveal
SlashNext
$40.5MSeries BSlashNext is a computer and network security company that specializes in cybersecurity, cyber-attack detection, and IT solutions.Pleasanton, California, United StatesAtif MushtaqReveal
ActZero.ai
$40.0MSeries AActZero provides AI-driven managed detection and response for cybersecurity.Menlo Park, California, United StatesJohn NurczynskiReveal
Open Raven
$39.1MSeries BOpen Raven is the data security posture management company that prevents leaks, breaches, and compliance incidents.Los Angeles, California, United StatesDave ColeReveal
Cado Security
$31.5MSeries BCado Security provides the cloud investigation platform that empowers security teams to respond to threats at cloud speed.London, England, United KingdomChristopher Doman, James CampbellReveal
Votiro
$25.5MSeries AVotiro is a cybersecurity company that offers a data security platform to protect organizations from digital threats.Austin, Texas, United StatesAviv Grafi, Itay GlickReveal
Dasera
$21.0MSeries ADasera is a DSPM platform that automates data security and governance controls to minimize risk across your data lifecycle.Mountain View, California, United StatesAni Chaudhuri, David McCaw, Noah JohnsonReveal
Phylum
$19.5MSeries APhylum defends applications at the perimeter of the open-source ecosystem and the tools used to build software.Evergreen, Colorado, United StatesAaron BrayReveal
Elevate Security
$18.3MVentureElevate Security is a developer of a security risk management platform that prevents account takeover and data loss.Berkeley, California, United StatesMasha SedovaReveal
Borneo
$18.0MSeries ABorneo is a data security platform that helps companies to prevent sensitive data misuse, stop data leaks, and drive privacy compliance.Singapore, Central Region, SingaporePrithvi RaiReveal
SynSaber
$15.5MSeries ASynSaber is the vendor-agnostic asset & network monitoring software bringing edge visibility to critical infrastructure.Chandler, Arizona, United StatesJori VanAntwerpReveal
Noetic Cyber
$15.0MVentureNoetic Cyber is a cloud continuous cyber asset management and controls platform provider.Waltham, Massachusetts, United StatesAllen HaddenReveal
Inpher.io
$14.0MVentureInpher.io is a secret computing technology for privacy-preserving machine learning and AI.New York, New York, United StatesDimitar JetchevReveal
oak9
$13.9MVentureoak9 is a cybersecurity SaaS Platform for Developers.Chicago, Illinois, United StatesAakash ShahReveal
Rezonate
$13.7MSeedRezonate provides an identity security platform for monitoring and compliance.Boston, Massachusetts, United StatesOri Amiga, Roy AkermanReveal
Blackwell Security
$13.0MProgramBlackwell Security offers managed security operations for healthcare organizations to deliver complete protection and rapid response.Ann Arbor, Michigan, United StatesJaclyn MillerReveal
Silk Security
$12.5MSeedSilk Security provides tools that consolidate and prioritize security findings to streamline the remediation process for organizations.New York, New York, United StatesBar Katz, Or Priel, Yoav NathanielReveal
Nethone
$10.6MSeries AKnow Your Users™ to reject only fraudstersWarsaw, Mazowieckie, PolandKacper SzcześniakReveal
Longbow
$10.5MSeedLongbow's SaaS platform enables companies to identify the Best Next Actions to reduce the most application and cloud risk.Austin, Texas, United StatesDayne Myers, Derek MakiReveal
Dellfer
$10.0MSeries ADellfer is an IoT and automotive cybersecurity startup that provides tools for devops to add endpoint protection.San Mateo, California, United StatesJames BlaisdellReveal
Effectiv
$9.6MSeedEffectiv is a real-time fraud and risk decisioning platform for financial institutions and fintechs.San Francisco, California, United StatesAnupam Tarsauliya, Jonathan Doering, Ravi Sandepudi, Ritesh AroraReveal
Hubble
$9.0MSeedHubble is an award winning, fully agentless, technology asset visibility and cybersecurity posture management solution.Reston, Virginia, United StatesTom ParkerReveal
Strong Network
$6.4MSeedStrong Network is a a business unit of cloud software group that delivers a self-hosted platform to manage the first secure CDEs.Lausanne, Vaud, SwitzerlandLaurent BalmelliReveal
DeepSurface Security Inc
$5.7MSeedThe first risk-based vulnerability management platform that automates the process of analyzing and prioritizing vulnerabilities.Portland, Oregon, United StatesJames DirksenReveal
Kivera
$5.4MSeedKivera is the next generation of cloud compliance tooling providing deep visibility and protection across your cloud deployments.New York, New York, United StatesJonathan Spinks, Neil Brown, Vernon JeffersonReveal
Dassana
$5.0MSeedDassana is on a mission to harness the power of data-driven insights to transform security control effectiveness.San Mateo, California, United StatesGaurav KumarReveal
Trustpage
$5.0MSeedTrustpage is a software tool that provides reviews, questionnaires, directory, document sharing, roadmap, and knowledge base solutions.Royal Oak, Michigan, United StatesChase LeeReveal
CyberQ
$5.0MSeedCyberQ is a cybersecurity technology company specializing in advanced threat detection and prevention solutions.Lowell, Massachusetts, United StatesDan RasmussenReveal
Sweepatic
$4.4MSeries ASweepatic is an external attack surface management (EASM) company that helps customers become cyber resilient.Leuven, Vlaams-Brabant, BelgiumStijn Vande CasteeleReveal
BreachQuest
$4.4MProgramBreachQuest is reimagining incident response with the goal of minimizing downtime and driving down breach cost.Dallas, Texas, United StatesShaun GordonReveal
ThreatKey
$4.0MSeedThreatKey provides security solutions for SaaS and Cloud applications.New York, New York, United StatesCarlos BeltranReveal
Raito
$4.0MProgramData Access Management for the Modern Data TeamBrussels, Brussels Hoofdstedelijk Gewest, BelgiumBart VandekerckhoveReveal
Alpin
$4.0MSeedAlpin is SaaS management: a single dashboard to discover Shadow IT, cut costs up to 30%, monitor activity and improve security.Boulder, Colorado, United StatesBenjamin SoulierReveal
EGIDE
$3.5MVentureEGIDE is an IT consulting company that offers IoT and authentication technology services.Singapore, Central Region, SingaporeKok Leong TohReveal
ByteChek
$3.1MSeedByteChek helps businesses build cybersecurity programs to enhance sales and build trust from customers.Miami, Florida, United StatesAJ YawnReveal
Muninn
$2.5MSeedMuninn is AI technology that empower companies to protect their critical digital assets and infrastructures from cyber-criminals.Copenhagen, Hovedstaden, DenmarkAndreas Frederik WehowskyReveal
DuckPond Technologies
$2.5MSeedDuckPond Technologies focuses on innovative products that improve the quality of life for consumers across payment network industries.Baton Rouge, Louisiana, United StatesDartanyon WilliamsReveal
BoxyHQ
$2.5MSeedSecurity building blocks for the AI era, helping companies prioritize AI security and deploy compliant cloud applications faster.London, England, United KingdomCarlos SamameReveal
4Securitas
$2.4MSeries AData centric cybersecurity for Enterprise.Dublin, Dublin, IrelandDonal KerrReveal
OptyFi
$2.4MSeedOptyFi is a decentralized finance (DeFi) asset optimizer.Toronto, Ontario, CanadaReveal
Staging Labs
$2.2MPre-SeedStaging Labs making crypto safe and easy to use.Miami, Florida, United StatesReveal
Bleach Cyber
$2.0MPre-SeedBleach is a cybersecurity platform helps small and medium businesses get secure by leveraging the security in their existing investments.Austin, Texas, United StatesCraig GoodwinReveal
AnchorID,Inc.
$1.6MDebtEnterprise mobile autenticationKingston, New York, United StatesDavid W. SchropferReveal
Parablu
$1.5MSeedParablu is a leading provider of data security and resiliency solutions for the digital enterprise. BluVault a secure data backup solutionsFremont, California, United StatesAnand PrahladReveal
EarthFast
$1.4MPre-SeedEarthFast is a blockchain service provider that offers secured crypto front-end hosting solutions.Grand Cayman, Midland, Cayman IslandsDheeraj ManjunathReveal
Cyberjobs
$915KSeedCyberjobs is a cybersecurity recruitment company.Paris, Ile-de-France, FranceDavid BerenfusReveal
Cufflink.io
$864KProgramCyber Security Software as a ServiceGaerwen, Isle of Anglesey, United KingdomBIlly WilliamsReveal
Elysium Lab
$720KPre-SeedElysium Lab develops resilient technology to power the future of authentication, encryption, and digital asset management.Lugano, Ticino, SwitzerlandAron Clementi, Gianmarco GuazzoReveal
Awen Collective Ltd
$523KSeedAwen is a software company making society safer by increasing cyber resilience in our critical national infrastructures and manufacturersCardiff, Cardiff, United KingdomAndrew BlythReveal
Maltiverse
$500KPre-SeedHelping organizations to adopt Threat IntelligenceMadrid, Madrid, SpainAntonio GomezReveal
Foretrace
$500KSeedForetrace’s patent-pending Total Recon™ Threat Exposure Management engine detects data exposure and alerts you before it results in breachesColumbia, Maryland, United StatesNick AscoliReveal
ForceField IO
$400KPre-SeedPatent-pending APIs for verification & real-time detection of fraud, spoofing, deepfakes, cyber attacks for any type of streaming media.Red Bank, New Jersey, United StatesStealth Co-FounderReveal
Threat Jammer
$331KPre-SeedRisk scoring service from curated threat intelligence data.Madrid, Madrid, SpainDiego ParrillaReveal
Narya Security
$250KNoteNarya Security helps enterprises solve the damage from Ransomware infections, with a single click.Saint Louis, Missouri, United StatesUri Fleyder-KotlerReveal

More From the Graveyard

Frequently Asked Questions

How many cybersecurity startups have failed?

The VCbacked Startup Graveyard currently tracks 69 venture-backed cybersecurity startups that have shut down, collectively raising $4.9B before closing. That is roughly 3 percent of all closed companies in the database, which is based on the last five years of fundraising data.

What is the biggest cybersecurity startup failure?

By total capital raised, the largest cybersecurity failure in the database is Lacework, which raised $1.9B before shutting down.

Why do cybersecurity startups fail?

Cybersecurity rode one of the most crowded funding waves of 2021 — hundreds of vendors selling adjacent acronyms into the same CISO budget. Consolidation and down rounds followed; the ones that could not be acquired shut down. Across the dataset, the most common last round before shutdown in cybersecurity was Seed, and the largest cohort of failures last raised in 2022.

Can I contact founders of failed cybersecurity startups?

Founder names are shown free on this page for every closed cybersecurity company. VCbacked paid plans reveal verified founder contact details where available and unlock CSV export.