What security leaders are saying in public, and who is saying it. Every post links to the original.
Only people our record names as the current holder of a top security seat appear here, with the role and company from our own record, not from LinkedIn. The headline is our neutral description of the subject; the quoted opening is the author's own first words, as they appear in the post's address. We never reproduce more of a post than that.
6 days ago· September 25, 2026Other
Sean Cassidy, Chief Information Security Officer (CISO) at Plaid
“What a bummer it must be to have started…”
Took the top security seat at Plaid, announced in the week of June 15, 2026. Previously Head of Security at Asana.
6 days ago· September 25, 2026Other
Sean Cassidy, Chief Information Security Officer (CISO) at Plaid
“Yesterday the australian prime minister…”
Took the top security seat at Plaid, announced in the week of June 15, 2026. Previously Head of Security at Asana.
last week· September 24, 2026Other
Sean Cassidy, Chief Information Security Officer (CISO) at Plaid
“A few months ago I posted about the typical…”
Took the top security seat at Plaid, announced in the week of June 15, 2026. Previously Head of Security at Asana.
2 weeks ago· September 16, 2026Other
Christopher Porter, Global Chief Information Security Officer at Booz Allen Hamilton
Took the top security seat at Booz Allen Hamilton, announced in the week of July 6, 2026. Previously SVP Chief Security Officer at Fannie Mae.
2 weeks ago· September 15, 2026Career & leadership
Geoff Belknap, Chief Trust Officer at HubSpot
“I've joined HubSpot as chief trust officer…”
Took the top security seat at HubSpot, announced in the week of September 14, 2026. Previously Corporate Vice President and Operating Chief Information Security Officer at Microsoft.
2 weeks ago· September 13, 2026AI & agents
Oded Blatman, Chief Information Officer and Chief Security Officer at Ledger
Took the top security seat at Ledger, announced on September 9, 2026. Previously CIO and CISO at Fireblocks.
2 weeks ago· September 11, 2026Career & leadership
Ravi Thatavarthy, Chief Information Security Officer at Primo Brands
“Some roles are appointments others feel…”
Took the top security seat at Primo Brands, announced in July 2026.
4 weeks ago· September 2, 2026Board & governance
Chaim Mazal, Chief Information Security Officer at GitLab
“Security governance and compliance are…”
Took the top security seat at GitLab, announced on June 9, 2026.
4 weeks ago· September 1, 2026AI & agents
Sean Cassidy, Chief Information Security Officer (CISO) at Plaid
“The highest ROI control in the age of agentic…”
Took the top security seat at Plaid, announced in the week of June 15, 2026. Previously Head of Security at Asana.
4 weeks ago· September 1, 2026Career & leadership
Thomas Coudray, Chief Information Security Officer at Mistral AI
“Career update I recently joined Mistral…”
Took the top security seat at Mistral AI, announced in September 2026. Previously Chief Information Security Officer at Ledger.