Alexandre Sieira

234 Followers
413 Following
1.1K Posts
Information security entrepreneur and early stage investor. Co-Founder @TenchiSecurity . Cloud Security Posture Chiropractor.
Bloghttps://www.infoseczanshin.com/
Companyhttps://www.tenchisecurity.com
LinkedInhttps://www.linkedin.com/in/sieira/
Gravatarhttps://gravatar.com/asieira

@GossiTheDog

CISO = Corporate Incident Sacrificial Offer

Trying to change that vibe coded app that was put in production and was unable to handle the load.
Hierarchy of Needs
Compliance Paperwork Won’t Save You From a Vendor Breach – Kayne McGladrey, CISSP https://kaynemcgladrey.com/compliance-paperwork-wont-save-you-from-a-vendor-breach/

I am thrilled to announce that my Destroyed by Breach research project finally has a proper website!

I still have a lot of gaps to fill and polishing to do, but now there's a way to report a company that has gone out of business due to a cybersecurity incident or breach without having to tag me on social media. The website has a form you can submit anonymously!

https://destroyedbybreach.com

Destroyed by Breach

I’m excited to announce that I’ll be teaching a two-day class at CppCon Sept 2026:

Secure Engineering in Modern C++: Preventing Catastrophic Failures

C++ powers infrastructure, robotics, finance, game engines, and safety-critical systems.

But small engineering mistakes can turn into major security failures.
1/2

Microsoft Copilot terms of service have been updated to include this gem: "Copilot is for entertainment purposes only." https://www.theregister.com/2026/04/02/copilot_terms_of_service/
Even Microsoft knows Copilot shouldn't be trusted with anything important

: Terms admit it is for entertainment only and may get things wrong

The Register

I’m excited to announce that I’ll be teaching a two-day class at CppCon Sept 2026:

Secure Engineering in Modern C++: Preventing Catastrophic Failures

C++ powers infrastructure, robotics, finance, game engines, and safety-critical systems.

But small engineering mistakes can turn into major security failures.
1/2

This was a lot of fun. Thank you to everyone in attendance!