Cybersecurity startups and investors we cover
Shortlist companies and funds tagged Cybersecurity in our directory. This hub is a sector cut, not a complete market census. Search every startup from /startups or open the investor list.
Startups in this sector
Showing 12 of 129 matched profiles.
-
Protect AI
AI supply chain, model scanning and runtime-security platform acquired by Palo Alto Networks in July 2025.
-
Lakera
AI runtime security and prompt-injection defense company, acquired by Check Point in October 2025.
-
Giskard
Open-source and enterprise testing platform for LLM applications, including quality, bias and adversarial security checks.
-
Noma Security
Enterprise AI and agent security platform covering discovery, posture, development and runtime risk.
-
Dreadnode
Offensive AI security firm developing red-team tools and adversarial testing workflows for AI systems and autonomous agents.
-
Fiddler AI
Enterprise AI model and agent evaluation, explainability and production observability platform; subject to a November 2026 CrowdStrike acquisition agreement.
-
k-ID
Global compliance engine for age-appropriate gaming and youth online safety.
-
Upwind
Automated cloud security platform prioritizing real risks across cloud estates.
-
Oasis Security
Non-human identity and AI-agent access management platform acquired by Cyera in a $1B transaction in September 2026.
-
Wiz
Wiz is a Google Cloud business since March 2026, providing agentless CNAPP cloud security and attack-path analysis.
-
Cyera
Enterprise AI data-security platform spanning DSPM, DLP and identity; $20B funding discussions reported October 2026 are not a completed round.
-
Cohere
Enterprise AI models and private-deployment software for regulated businesses and governments.
Investors in this sector
Showing 12 of 50 matched funds.
-
Accel
Global venture capital firm investing from seed through growth, with a long record in enterprise software, cybersecurity and consumer technology.
-
Access Venture Partners
Colorado venture firm founded in 1999 investing $250K–$2.5M in seed and Series A technology companies across SaaS, cybersecurity, AI, and marketplace models. Main office in Westminster, CO with a Denver office at Industry Denver (3001 Brighton Blvd); 100+ portfolio companies and $125M+ raised across fund vehicles per firm materials.
-
Alamo Angels
San Antonio angel network (founded 2016 as San Antonio Angel Network; rebranded Alamo Angels in 2017) providing seed and early-stage capital, education, and deal flow for Texas entrepreneurs. Associated with VelocityTX / Texas Research & Technology Foundation ecosystem. Members are accredited investors syndicating into technology and life-science startups.
-
Alumni Ventures
Founded in 2014, Alumni Ventures is a US co-investor participating alongside lead VCs across early and later-stage rounds. It publishes $100K–$10M company checks (typically $1M–$3M), does not lead or take board seats, and reports 1,800+ historical portfolio companies. Separately, it manages diversified and focused venture products for eligible investors; cumulative commitments are not the same as AUM.
-
Amex Ventures
American Express's corporate venture investing arm focused on financial services innovation, security and identity, enterprise software, AI and infrastructure. Made a strategic investment in Traversal and has invested in AI evaluation company Galileo; prioritizes commercial partnerships.
-
Arizona Founders Fund
Phoenix and Scottsdale seed fund (AzFF) established in 2016 as Arizona's first dedicated software seed vehicle — writing $50K–$400K checks with a network of operator-founders providing hands-on support.
-
Aviso Ventures
Private investor with a disclosed portfolio spanning enterprise infrastructure, security and AI. Dreadnode is listed in its own portfolio and names Aviso among its early backers; no separately disclosed Dreadnode funding amount is available.
-
Ballistic Ventures
Ballistic Ventures is a venture capital firm focused on cybersecurity companies. It led Reach Security's $20 million Series A announced in March 2024 and participated in the company's Series B of more than $50 million announced on October 13, 2026. Individual investment amounts in those rounds were not disclosed.
-
Booz Allen Ventures
Corporate venture arm of Booz Allen Hamilton investing in early-stage dual-use companies across AI, defense technology, deep tech, cybersecurity, space and U.S. reindustrialization.
-
Capgemini Ventures
Corporate venture investment platform affiliated with Capgemini, linking emerging enterprise technology companies with its global consulting and transformation network. Fiddler AI named Capgemini Ventures among participants in its January 2026 $30M Series C.
-
Cardumen Capital
Madrid- and Tel Aviv-linked venture capital firm investing in deep technology, enterprise software, AI, cybersecurity and related early-stage companies across Europe and Israel.
-
Cisco Investments
Cisco's corporate venture arm investing in enterprise infrastructure, security, collaboration, AI and software. Identified among participants in Fiddler's 2024 Series B extension by funding data providers; per-investor allocations are not publicly disclosed.