startups · security & auditing · updated Oct 5, 2026
trending security & auditing startups, ranked by investor follow signal
frontrun tracks 140 security & auditing companies and watches which ones the follow graphs of 2,900+ venture investors converge on. these are the security & auditing companies with the most new tracked follows in the last 90 days - most of them before any announced round. counts are public; which investors are behind them is in the product.
| # | company | what they do | followers | first flagged | tracked follows (90d) |
|---|---|---|---|---|---|
| 1 | V12 @v12sec | dangerously powerful agentic security | 9,675 | May 9, 2026 | +17 |
| 2 | Hacktron AI @hacktronai | Hacktron is an autonomous vulnerability hunter for ambitious engineering teams. Built by world-class security researchers. Powered by one principle: PoC || GTFO | 9,832 | May 1, 2026 | +17 |
| 3 | AIR @air__security | The Context Firewall for AI Agents AIR sits between agents and the outside world, continuously analyzes and filters every input into an agent s context. | 500 | Sep 1, 2026 | +16 |
| 4 | Blockaid @blockaid_ | Trusted by Coinbase, MetaMask, Stellar, and more to detect, understand, and protect against fraud, scams, and exploits in real time. | 24,957 | Feb 26, 2026 | +11 |
| 5 | Method Security @method_security | Autonomous cyber systems for the US Government and critical American enterprises. | 964 | Aug 18, 2026 | +10 |
| 6 | depthfirst @depthfirstlabs | The Operating System for Modern Security | 1,860 | Dec 27, 2025 | +10 |
| 7 | Project Eleven @projecteleven | Securing digital assets for the post-quantum era | 11,866 | Feb 25, 2026 | +8 |
| 8 | Artemis Security @artemis_sec | Artemis is the AI-native platform for security operations, helping you detect and stop attacks at machine speed. | 18 | Aug 10, 2026 | +7 |
| 9 | Armadin @armadinsecurity | Armadin is an AI-native cybersecurity company focused on building the ultimate attacker. | 687 | Apr 15, 2026 | +7 |
| 10 | Ratspeak @ratspeakorg | An offline-capable, encrypted mesh network (with an app layer), by @defidude. 0xf1e9baa65d418a9025e1851dd2d37f1ad208bba3 | 3,132 | May 24, 2026 | +7 |
every security & auditing company we track a page for
23 companies, alphabetical.
AIR · Armadin · Artemis Security · Bitsec | Bittensor Subnet 60 · Blockaid · Chaos Labs · ClawVault · Cylake · depthfirst · Enclave · Firelight · hackhack · Hacktron AI · HypernativeLabs · Method Security · Olympix · OpenDNS · Project Eleven · Ratspeak · SkySafe · Socket · Tenzai · V12
get the daily security & auditing discovery report, see which investors are behind each follow, or query this signal from your own agent over api/mcp. start a 7-day free trial →