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Top 100 Cyber Security Startups to Watch in 2026

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The cybersecurity sector is experiencing a surge in funding, with a strong focus on companies that apply artificial intelligence. These startups are securing substantial capital to scale their security technologies.

Cyera, an AI data security firm, leads with $1.3 billion in funding. Another notable company is Quantinuum, which has raised $925 million to merge quantum computing with cybersecurity.

Below is our list of 100 Cyber Security startups worth keeping an eye on.

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Quantinuum builds full-stack quantum computers, combining powerful hardware with sophisticated software. Their technology is designed to accelerate breakthroughs in areas like chemistry, cybersecurity, and finance.

HeadquartersBroomfield, Colorado, United States
Year Founded2021
FoundersIlyas Khan
Funding Amount$925M
Startup SizeLarge Team (251-1,000)
Last Funding StatusSeries B
Top InvestorsQED Investors, JP Morgan Chase, NVentures, Amgen, Korea Investment Partners

Nozomi Networks provides a cybersecurity platform that protects operational technology, Internet of Things, and cyber-physical systems. The company specializes in delivering visibility and threat detection for industrial control systems, helping organizations minimize risk and ensure operational resilience.

HeadquartersSan Francisco, California, United States
Year Founded2013
FoundersAndrea Carcano, Moreno Carullo
Funding Amount$266M
Startup SizeLarge Team (251-1,000)
Last Funding StatusPrivate Equity
Top InvestorsCDP Venture Capital, Lux Capital, Partners Group, Schneider Electric, Activate Capital Partners

SecurityScorecard builds a cybersecurity platform that provides security ratings for millions of companies. Organizations use these scores to predict and remediate potential risks, giving them a clear view of their own security posture and that of their vendors.

HeadquartersNew York, New York, United States
Year Founded2013
FoundersAleksandr Yampolskiy, Sam Kassoumeh
Funding Amount$292.2M
Startup SizeLarge Team (251-1,000)
Last Funding StatusSeries E
Top InvestorsSequoia Capital, Two Sigma Ventures, Riverwood Capital, AlleyCorp, NGP Capital

Semperis develops enterprise identity protection and cyber resilience solutions for cross-cloud and hybrid environments. Their platform helps organizations defend against cyberattacks targeting directory services and provides tools for rapid, malware-free recovery.

HeadquartersHoboken, New Jersey, United States
Year Founded2014
FoundersGuy Teverovsky, Matan Liberman, Mickey Bresman
Funding Amount$498.3M
Startup SizeLarge Team (251-1,000)
Last Funding StatusSeries C
Top InvestorsInsight Partners, Paladin Capital Group, JP Morgan, Ten Eleven Ventures, Kohlberg Kravis Roberts

Zania builds autonomous AI agents to help businesses manage their security, risk, and compliance posture. The platform automates complex security operations, allowing teams to maintain continuous adherence to industry standards.

HeadquartersPalo Alto, California, United States
Year Founded2023
FoundersShruti Gupta
Funding Amount$18M
Startup SizeLean Team (11-50)
Last Funding StatusSeries A
Top InvestorsAnthropic, Menlo Ventures, New Enterprise Associates, Palm Drive Capital, George Kurtz

Cyera provides an AI-powered data security platform that gives enterprises deep context on their data to ensure cyber-resilience and compliance. Their technology helps security teams automatically discover, classify, and secure sensitive information across their entire data landscape.

HeadquartersNew York, New York, United States
Year Founded2021
FoundersTamar Bar-Ilan, Yotam Segev
Funding Amount$1.3B
Startup SizeLarge Team (251-1,000)
Last Funding StatusSeries E
Top InvestorsSequoia Capital, Accel, Lightspeed Venture Partners, Sapphire Ventures, Georgian

Sumsub builds an all-in-one verification platform that secures the entire customer journey from onboarding to ongoing transactions. Their technology helps businesses fight fraud and stay compliant by combining AI-powered identity checks with transaction monitoring.

HeadquartersLimassol, Limassol, Cyprus
Year Founded2015
FoundersAndrew Sever, Jacob Sever, Peter Sever, Vyacheslav Zholudev
Funding Amount$37.5M
Startup SizeLarge Team (251-1,000)
Last Funding StatusSeries B
Top InvestorsFlint Capital

BigID builds a data intelligence platform that gives organizations visibility and control over their sensitive information. The platform uses AI to automate discovery and classification, enabling companies to strengthen their data security, privacy, and governance.

HeadquartersNew York, New York, United States
Year Founded2016
FoundersDimitri Sirota, Nimrod Vax
Funding Amount$306.1M
Startup SizeLarge Team (251-1,000)
Last Funding StatusSeries E
Top InvestorsAdvent International, Plug and Play, Bessemer Venture Partners, Salesforce Ventures, Tiger Global Management

CalypsoAI builds a security platform designed to protect and validate artificial intelligence and machine learning systems. Their platform helps organizations automatically test, monitor, and secure their AI models against emerging threats.

HeadquartersWashington, District of Columbia, United States
Year Founded2018
FoundersDavey Gibian, Neil Serebryany, Victor Ardulov
Funding Amount$43.2M
Startup SizeMid-Size Team (51-250)
Last Funding StatusVenture Round
Top InvestorsARVO VENTURE CAPITAL, 8VC, Lightspeed Venture Partners, Lockheed Martin Ventures, Crosspoint Capital Partners

ID.me created a digital identity wallet that allows users to securely verify their identity across different websites and services. The platform is trusted by government agencies and major brands to provide secure access and combat fraud.

HeadquartersMclean, Virginia, United States
Year Founded2010
FoundersBlake Hall, Matthew Thompson, Tanel Suurhans
Funding Amount$814.2M
Startup SizeMajor Organization (1,001-5,000)
Last Funding StatusSeries E
Top InvestorsBoxGroup, Morgan Stanley, Ribbit Capital, Fortress Investment Group, Ares Management

90 Additional Cyber Security Startups Worth Following

Our top ten picks are just a small slice of the exciting work happening in cyber security. Founders are building new tools to protect everything from personal data to critical infrastructure, and together the companies on this list have raised over $24 billion to do it.

Here are dozens more companies to keep an eye on. Some are new and scrappy while others are well on their way, but all of them are making the digital world a safer place.

StartupMain IndustryYear FoundedAmount RaisedLast Funding Round
CyberCube logo CyberCubeAnalytics2015$285MVenture Round
OneTrust logo OneTrustAI2016$2.1BVenture Round
Shift5 logo Shift5Security2019$180.5MSeries C
Tanium logo TaniumAnalytics2007$1BSecondary Market
Acronis logo AcronisAI2003$658MPrivate Equity
Claroty logo ClarotySecurity2015$740MVenture Round
Lakera logo LakeraAI2021$30MSeries A
Island logo IslandSecurity2020$810MSecondary Market
Abnormal AI logo Abnormal AIAI2018$534MSeries D
SandboxAQ logo SandboxAQAI2016$975MSeries E
Keepit logo KeepitCloud2007$213.8MDebt Financing
Aikido Security logo Aikido SecuritySecurity2022$24.6MSeries A
CertiK logo CertiKCrypto2018$300.2MSeries B
Bitdefender logo BitdefenderSecurity2001$187MSecondary Market
Terra Security logo Terra SecurityAI2024$38MSeries A
Tines logo TinesSecurity2018$271.2MSeries C
TENEX.AI logo TENEX.AIAI2024$27MSeries A
Aura logo AuraAI2017$662.7MSeries G
Observo AI logo Observo AIAI2022$15MSeed
Socure logo SocureAI2012$744.4MDebt Financing
Keeper Security logo Keeper SecuritySecurity2011$60.3MPrivate Equity
Pangea logo PangeaAI2021$51MSeries B
Coalition logo CoalitionSecurity2017$800MCorporate Round
Teleport logo TeleportCloud2015$169.2MSeries C
Halcyon logo HalcyonAI2021$190MSeries C
Illumio logo IllumioSecurity2013$557.5MSeries F
Fieldguide logo FieldguideFintech2020$50MSeries B
Red Access logo Red AccessSecurity2021$23MSeries A
Noma Security logo Noma SecurityAI2023$132MSeries B
Prove logo ProveSecurity2008$251MVenture Round
Exabeam logo ExabeamAnalytics2013$391MVenture Round
Silent Push logo Silent PushSecurity2020$30MSeries B
ThreatLocker logo ThreatLockerSecurity2017$299.4MSeries E
Salt Security logo Salt SecurityAI2015$271MVenture Round
Vanta logo VantaAI2018$503MSeries D
ActiveFence logo ActiveFenceHardware2018$100MSeries B
NinjaOne logo NinjaOneSecurity2013$761.5MSeries C
Armis logo ArmisEnterprise2015$837MSecondary Market
Remedio logo RemedioSecurity2019$65MVenture Round
Saviynt logo SaviyntCloud2010$375MDebt Financing
Axonius logo AxoniusFintech2017$865MSeries E
Menlo Security logo Menlo SecuritySecurity2012$250.8MSeries E
Horizon3.ai logo Horizon3.aiAI2019$178.5MSeries D
Persona logo PersonaSecurity2018$417.5MSeries D
Obsidian Security logo Obsidian SecurityHardware2017$119.5MSeries C
Huntress logo HuntressSecurity2015$309.8MSeries D
BioCatch logo BioCatchAnalytics2011$323.7MSecondary Market
Seemplicity logo SeemplicitySecurity2020$82MSeries B
Ontic logo OnticSecurity2017$286.7MSeries C
Flexential logo FlexentialSecurity2000$1BPrivate Equity
Tidal Cyber logo Tidal CyberSecurity2022$24MSeries A
Privy logo PrivySecurity2021$41.3MVenture Round
Zenity logo ZenityAI2021$59.5MSeries B
QuSecure logo QuSecureSecurity2019$42.2MSeries A
Ox Security logo Ox SecurityAI2021$94MSeries B
Sonar logo SonarSecurity2008$457MSeries B
Cyberhaven logo CyberhavenAI2014$236.5MSeries D
Sysdig logo SysdigCloud2013$729.5MSeries G
Avathon logo AvathonAnalytics2013$286.6MSecondary Market
Relyance AI logo Relyance AIAI2020$62MSeries B
Oneleet logo OneleetEnterprise2022$33MSeries A
Malwarebytes logo MalwarebytesHardware2008$180MPrivate Equity
Safe Security logo Safe SecurityAI2012$213MSeries C
Koi logo KoiHardware2023$48MSeries A
BlueVoyant logo BlueVoyantSecurity2017$665.5MSeries E
Aurva logo AurvaAI2023$2.2MSeed
Living Security logo Living SecuritySecurity2017$20.8MSeries B
MIND logo MINDAI2023$41MSeries A
Oscilar logo OscilarSecurity2021$20MSeries A
Aim Security logo Aim SecurityAI2023$28MSeries A
Veriff logo VeriffAI2015$192.3MSeries C
OPSWAT logo OPSWATSecurity2002$125MPrivate Equity
Bugcrowd logo BugcrowdMarketplace2012$230.7MDebt Financing
Qwiet logo QwietAI2016$58.3MSeries C
Bitwarden logo BitwardenSecurity2015$100MSeries B
Clarity logo ClarityAI2022$16MSeed
Wallarm logo WallarmAI2016$75MSeries C
Thrive logo ThriveCloud2000$17.2MPrivate Equity
Interos logo InterosAI2005$174.9MPrivate Equity
Immutable Systems logo Immutable SystemsCrypto2018$277.4MSeries C
Doppel logo DoppelAI2022$58.8MSeries B
Sola Security logo Sola SecurityAI2024$93MSeries A
Sentra logo SentraSecurity2021$103MSeries B
Vectra AI logo Vectra AIAI2011$352.5MSeries F
SpyCloud logo SpyCloudSecurity2016$168.5MSeries D
LayerX logo LayerXSecurity2021$44.5MSeries A
1Kosmos logo 1KosmosSecurity2018$72MSeries B
Arctic Wolf logo Arctic WolfSecurity2012$899.2MConvertible Note
InCountry logo InCountryAI2019$50MVenture Round
Theta Lake logo Theta LakeEnterprise2017$67.7MSeries B

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