CISO Tribune

CISO appointment

Alex Stamos named Chief Information Security Officer at Cognition

By CISO Tribune Editorial · Published · Updated

Alex Stamos is the Chief Information Security Officer of Cognition. Alex joins from Corridor, where they served as Chief Privacy Officer.

Records: Cognition · Alex Stamos

PersonAlex Stamos
New roleChief Information Security Officer
CompanyCognition
Previous roleChief Privacy Officer, Corridor
Announcedweek of September 28, 2026
SourceSecurityWeek Industry Moves (this week)

Context from the record

Other Cybersecurity Vendors appointments in the third quarter of 2026

  • Mathieu Rigotto, Chief Information Security Officer, Filigran
  • Grant Yacomeni, Chief Information Security Officer, Gigamon
  • Chris Jones, Chief Trust and Security Officer, Axonius
  • David Soto, Chief Information Security Officer, Trellix
  • Andrew Park, Chief Information Security Officer (CISO), UltraViolet Cyber
  • Alexander Truskovsky, Chief Information Security Officer, EigenQ
  • Ken Pfiel, Chief Information Security Officer, Assail

Who runs security in Cybersecurity Vendors.

What this move signals

Alex Stamos has become CISO at Cognition. He previously served as CPO at Corridor, CISO and advisor to the CEO at SentinelOne, CSO at Facebook, CISO at Yahoo!, and CTO at NCC Group's internal startup Artemis.

SecurityWeek's Industry Moves column for the week of September 28, 2026 reports that Alex Stamos has become Chief Information Security Officer (CISO) at Cognition. The entry is one of several people-on-the-move items in that weekly roundup, and it does not describe the scope of the role or give a start date.

The announcement described Stamos as a lecturer in computer science at Stanford University at the time of the announcement. It lists his earlier positions as CPO at Corridor, CISO and advisor to the CEO at SentinelOne, CSO at Facebook, and CISO at Yahoo!. It also says he was CTO at NCC Group's internal startup Artemis.

The announcement gives no tenure figures, qualifications, or statements from Stamos or Cognition. It says nothing about the reasons for the appointment or about who held the position before.

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