Agent Security & Governance — Timeline
21 milestones, source-traced.
Jul 24, 2024
Funding: Lakera closed a $20 million Series A round led by Atomico, with participation from…
Lakera closed a $20 million Series A round led by Atomico, with participation from Citi Ventures, Dropbox Ventures, and Redalpine.
funding-research →Aug 1, 2024
Funding: Protect AI raised a $60 million Series B led by Evolution Equity Partners at…
Protect AI raised a $60 million Series B led by Evolution Equity Partners at a reported $400 million valuation.
funding-research →Nov 20, 2024
Funding: Prompt Security raised an $18M Series A led by Jump Capital, with participation from…
Prompt Security raised an $18M Series A led by Jump Capital, with participation from Hetz Ventures, Ridge Ventures, Okta, and F5.
funding-research →May 12, 2025
Acquisition: Palo Alto Networks announced the acquisition of Protect AI in a deal valued at…
Palo Alto Networks announced the acquisition of Protect AI in a deal valued at over $500 million (with some reports citing $700 million), expected to close later in 2025.
funding-research →May 12, 2025
Product Launch: Palo Alto Networks announced a new AI security platform called Prisma AIRS alongside the…
Palo Alto Networks announced a new AI security platform called Prisma AIRS alongside the Protect AI acquisition announcement.
funding-research →Feb 5, 2026
Snyk's 'ToxicSkills' research found ~36.8% of 3,984 scanned agent skills had at least one…
Snyk's 'ToxicSkills' research found ~36.8% of 3,984 scanned agent skills had at least one security flaw; 76 were confirmed malicious.
Knowledge base →Mar 23, 2026
Product Launch: Palo Alto Networks launched Prisma AIRS 3.0 to secure Agentic AI and unveiled what…
Palo Alto Networks launched Prisma AIRS 3.0 to secure Agentic AI and unveiled what it called the industry's most secure browser for agentic AI.
funding-research →Mar 23, 2026
Product Launch: Palo Alto Networks introduced Next-Generation Trust Security to automate digital resilience.
funding-research →May 12, 2026
Product Launch: Palo Alto Networks introduced Idira, a next-generation identity security platform built for the AI…
Palo Alto Networks introduced Idira, a next-generation identity security platform built for the AI enterprise.
funding-research →May 14, 2026
Acquisition: Palo Alto Networks completed its acquisition of Koi to secure the agentic endpoint.
funding-research →May 29, 2026
Palo Alto Networks completed its acquisition of Portkey (an LLM gateway) in May 2026,…
Palo Alto Networks completed its acquisition of Portkey (an LLM gateway) in May 2026, folding it into its AI-security stack.
Knowledge base →May 29, 2026
Acquisition: Palo Alto Networks completed its acquisition of Portkey to secure AI agents (announced April…
Palo Alto Networks completed its acquisition of Portkey to secure AI agents (announced April 30, 2026).
funding-research →Jun 1, 2026
HiddenLayer focuses on detecting and defending against attacks on machine-learning models.
Knowledge base →Jun 1, 2026
Lakera builds real-time guardrails against prompt injection and other LLM/agent attacks.
Knowledge base →Jun 1, 2026
Prompt Security provides runtime protection and governance for enterprise GenAI and agents.
Knowledge base →Jun 1, 2026
The EU AI Act's GPAI transparency and enforcement powers activate Aug 2, 2026, with…
The EU AI Act's GPAI transparency and enforcement powers activate Aug 2, 2026, with the high-risk obligations deferred to Dec 2027.
Knowledge base →Jun 1, 2026
Agent identity, runtime guardrails, and red-teaming emerged as distinct 2026 sub-categories of AI security.
Knowledge base →Jun 1, 2026
As agents gain autonomy (executing code, making payments), securing them shifted from prompt-filtering toward…
As agents gain autonomy (executing code, making payments), securing them shifted from prompt-filtering toward identity and action governance.
Knowledge base →Jun 1, 2026
Security vendors are consolidating the AI-control-plane (gateway + guardrails + identity) — exemplified by…
Security vendors are consolidating the AI-control-plane (gateway + guardrails + identity) — exemplified by Palo Alto's Portkey + Protect AI roll-up.
Knowledge base →Jun 1, 2026
Palo Alto's Prisma AIRS — built in part on its Protect AI acquisition —…
Palo Alto's Prisma AIRS — built in part on its Protect AI acquisition — is a leading agent/AI security platform.
Knowledge base →Jun 9, 2026
Partnership: Palo Alto Networks announced a partnership with Deutsche Telekom to deliver AI-driven security with…
Palo Alto Networks announced a partnership with Deutsche Telekom to deliver AI-driven security with sovereignty controls for European regulated industries.
funding-research →
Milestones merged from 0 curated events, 10 verified facts (with observed dates), and 11 business signals from the last 24 months. Deduped by date + label; curated entries take precedence.
← Back to Agent Security & Governance