{"entity":"company","company":{"id":3088,"name":"Horizon3","domain":"horizon3.ai","logo":"https://alion.io/storage/2026/0816/4ce86d7af8.256.webp","description":"Horizon3.ai is a cybersecurity company that specializes in autonomous threat detection and proactive security validation. Its flagship platform, NodeZero, acts as an autonomous penetration testing solution that continuously discovers, tests, and verifies exploitable vulnerabilities across an organization's internal and external infrastructure. By simulating real-world attacker tactics, Horizon3.ai enables IT and security teams to fix critical security gaps before adversaries can exploit them.","industry":"Cybersecurity","segment":"Penetration Testing","size":"201-500","founded":2019,"hq":{"city":"San Francisco","country":"US"},"links":{"github":"https://github.com/horizon3ai","linkedin":"https://www.linkedin.com/company/horizon3ai","x":"https://x.com/horizon3ai"},"hiring_now":true,"claimed":false,"url":"https://alion.io/company/horizon3","open_jobs":193,"hiring_trend":{"since":"2026-10-12","open_then":125,"open_now":193,"change":68,"change_pct":54,"quarter":null,"by_area":[{"area":"Sales","open_then":46,"open_now":68,"change":22,"open_quarter_ago":null},{"area":"Backend","open_then":16,"open_now":27,"change":11,"open_quarter_ago":null},{"area":"Marketing","open_then":10,"open_now":16,"change":6,"open_quarter_ago":null},{"area":"Solutions","open_then":14,"open_now":16,"change":2,"open_quarter_ago":null},{"area":"Leadership","open_then":4,"open_now":13,"change":9,"open_quarter_ago":null},{"area":"Product","open_then":4,"open_now":10,"change":6,"open_quarter_ago":null}],"biggest_move":{"area":"Sales","kind":"up","open_then":46,"open_now":68},"comparable_since":"2026-09-07","method":"Weekly snapshots of the company's own careers board, only for boards that state each posting's date; a week enters only when the open count it leaves equals the one before it plus the roles posted minus the roles closed that week, so a change in how much of the board Alion reads is never reported as hiring. 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