KnowBe4

What the company sells

KnowBe4 sells security awareness training and simulated phishing software, alongside email and collaboration security products and a set of AI agents branded AIDA for automating human risk management tasks. It was founded in 2010 by Stu Sjouwerman and is headquartered in Clearwater, Florida. Vista Equity Partners completed its acquisition of KnowBe4 in February 2023, taking the company private.

Categories

• Security awareness training (primary category)
• Human risk management
• Email security
• AI model and agent security

Headquarters

Clearwater, United States

Founded

2010

Ownership

Owned by Vista Equity Partners since 2023

Website

knowbe4.com

Products and services

• KnowBe4 Platform

  Combines phishing simulation and training, email and collaboration security, and AI agent security in one platform.

• PhishER

  Helps SOC teams prioritize and triage user-reported suspicious emails.

• SecurityCoach

  Delivers real-time security coaching to users in response to risky behavior flagged by other security tools.

• Defend

  Uses AI to inspect user-reported phishing emails and automatically remediate related attacks across an organization.

• AIDA (Artificial Intelligence Defense Agents)

  A set of AI agents intended to automate tasks such as phishing simulation as part of human risk management.

Sources

1. KnowBe4Undated page, accessed September 27, 2026 · Tier A: the company, a regulator or a filing
2. KnowBe4Published February 1, 2023 · Tier A: the company, a regulator or a filing
3. KnowBe4Undated page, accessed September 27, 2026 · Tier A: the company, a regulator or a filing

Recorded September 27, 2026 from the sources above. Descriptions are in our own words; we do not rank or recommend vendors, and no vendor pays to be listed or to change what we write. Disclosure: until the publisher confirms it has no business relationship with this company, treat one as possible (how the network works). Spot a factual error? Request a correction.