Richard Stiennon
stiennon.bsky.social
Richard Stiennon
@stiennon.bsky.social
Industry analyst. Author. Curator of data on the entire cybersecurity industry.
September 18, 2025 at 11:59 PM
'nuff said.
May 27, 2025 at 12:29 PM
On Amazon right now
May 20, 2025 at 1:26 PM
Today is devoted to signing copies of Security Yearbook 2025. This is your first chance to grab a copy. There are 40,000 attendees at #RSAC and only 250 books spread across these four locations.

BforeAI event at the Wine Down 10:00-11:00
Quilr Booth N-4305 11:30-12:15
April 30, 2025 at 1:24 PM
How do you like my book shelf? 6th edition of Security Yearbook! Read about what's new here. stiennon.substack.com/p/whats-new-...
April 6, 2025 at 11:14 PM
Copies of Security Yearbook 2025 arrived early. Never gets old.
Print run is done in plenty of time for RSAC. Stay tuned if you want a signed copy. There will be four different opportunities to pick one up in San Francisco.
Pre-order here: www.amazon.com/Security-Yea...
April 4, 2025 at 10:57 PM
Old chart. S&P 500 is off 11.4% since January 20.
April 3, 2025 at 2:16 PM
April 2, 2025 at 10:53 PM
April 2, 2025 at 12:39 AM
April 2, 2025 at 12:39 AM
April 2, 2025 at 12:37 AM
Hero.
April 2, 2025 at 12:02 AM
Mr. Smith Goes to Washington
April 1, 2025 at 9:50 PM
Hold the line Senator Booker!
April 1, 2025 at 1:29 AM
This IT-Harvest cupcake is in good company at Google for Startups Academy in Warsaw today.
March 26, 2025 at 3:48 PM
Join me and Jason Cook on this Rubrik webinar March 20. lp.rubrik.com/beyondbackup...
March 12, 2025 at 9:19 AM
Ouch. Security stocks down with the rest of the market.
March 3, 2025 at 8:56 PM
Final proofs approved for Security Yearbook 2025! Pre-order here: www.amazon.com/Security-Yea...
March 2, 2025 at 8:51 PM
nih.gov is down.
March 2, 2025 at 12:11 AM
Who knew that sleepy old Mapquest would lead the resistance? Take that The Atlantic. Fight EVERY battle.
February 19, 2025 at 6:00 PM
It may be that the Defense Nuclear Facilities Safety Board is under attack as well. Some errors appearing on its web page.
February 17, 2025 at 2:45 PM
CFPB's jurisdiction includes banks, credit unions, securities firms, payday lenders, mortgage-servicing operations, foreclosure relief services, debt collectors, for-profit colleges, and other financial companies operating in the US.
February 8, 2025 at 10:29 PM
Look up!
February 2, 2025 at 12:25 AM
Compact cyber truck spotted in Sunnyvale.
February 2, 2025 at 12:11 AM
New ad campaign for HarvestIQ.ai
February 1, 2025 at 9:21 PM