Private company

Defensive Thinking Inc

Defensive Thinking Inc is an American cybersecurity company co-founded by Kevin Mitnick and Alex Kasper based in Los Angeles.1

Last updated Oct 21, 2026.

Overview

2002Founded1
  • Industrybusiness and other management consultancy activities1
  • HeadquartersLos Angeles, United States1
  • Websitewww.defensivethinking.com
  • Legal formcorporation1

Corporate structure

Defensive Thinking Inc sits at the top of its group. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Defensive Thinking Inc Los Angeles, United States
    • Certified Social Engineering Prevention Specialist Subsidiary

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

The story

Founded by Alex Kasper and Kevin Mitnick in 2002.1

Leadership

Who has led Defensive Thinking Inc, and when. Pick a name to see everywhere that person has worked.

Products and brands

  • Certified Social Engineering Prevention Specialist

Listed on Wikidata.1

Subsidiaries and ownership

Subsidiaries

  • Certified Social Engineering Prevention Specialist

From Wikidata.1

Timeline

  1. 2002Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1