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opensectraining.bsky.social
OpenSecurityTraining2
@opensectraining.bsky.social
501(c)(3) Nonprofit providing Open Source and Open Access computer security training material. #OST2 re-launched July 2021!
This year @binarly.bsky.social has also expanded their sponsorship to the creation of a new #OST2 Firmware Security Learning Path!

ost2.fyi/OST2_LP_FWSE...
November 3, 2025 at 11:45 AM
We are happy to announce that @binarly.bsky.social has renewed their 🥇Gold-level sponsorship of #OST2!

Learn more about what they do in firmware & supply chain security here: ost2.fyi/Sponsor_Bina...
November 3, 2025 at 11:43 AM
With the release of ost2.fyi/BT2222, we have posted a brand new OST2 Bluetooth Learning Path which shows future classes that are planned, as well as classes which we need volunteers for. Freshly updated today: ost2.fyi/OST2_LP_Blue...
September 29, 2025 at 10:44 AM
The "Trusted Computing 1102: Intermediate Trusted Platform Module (TPM) usage" ost2.fyi/TC2202 class release has updated 3 #OST2 learning paths

Secure Software Design & Implementation - ost2.fyi/OST2_LP_SecD...

System Security - ost2.fyi/OST2_LP_SysS...

Windows Security - ost2.fyi/OST2_LP_Wind...
September 22, 2025 at 11:19 AM
📣"Trusted Computing 2202: TPM 2.0 Programming using Python and the tpm2-pytss libraries" by Bill Roberts is now released!📣
ost2.fyi/TC2202

This course provides a comprehensive introduction to Trusted Platform Module (TPM) 2.0 programming using the Python-based tpm2-pytss library.
September 15, 2025 at 10:14 AM
📣"Bluetooth 2222: Bluetooth reconnaissance with Blue2thprinting" is now released!📣
ost2.fyi/BT2222

This class teaches you about the 30+ data types that the Blue2thprinting software can collect for when you're trying to determine what a device is, and whether it has any known vulnerabilities.
September 8, 2025 at 9:23 AM
Are you making your own luck, by taking (and finishing) OST2 classes?
ost2.fyi/Learning-Pat...
August 25, 2025 at 11:21 AM
It's time to celebrate #OST2's 4th anniversary!
So what happened this last year at #OST2? Let's take a walk down memory hierarchy lane!
👇
July 21, 2025 at 12:14 PM
📣"Debuggers 1103: Introductory Binary Ninja" is released!📣
ost2.fyi/Dbg1103

This class by Xusheng Li of Vector 35 @binary.ninja provides students with a hands-on introduction to the free version of Binja as a debugger, thus providing decompilation support!
July 14, 2025 at 10:24 AM
The new "Fuzzing 1001: Introductory white-box fuzzing with AFL++" by Francesco Pollicino was recently released at ost2.fyi/Fuzz1001.
We've also released updated Learning Paths (LPs) that show how the class fits in to the Vulnerabilities & Secure Development LPs. ost2.fyi/Learning-Pat...
July 11, 2025 at 11:49 AM
Happy 3rd anniversary to #NonProfitCyber!
February 24, 2025 at 12:17 PM