security

Introduction to Trusted Execution Environment and ARM's TrustZone

Posted on March 16, 2020 | 9 minutes | Sergio Prado

A Trusted Execution Environment (TEE) is an environment where the code executed and the data accessed is isolated and protected in terms of confidentiality (no one have access to the data) and integrity (no one can change the code and its behavior). [Read More]

security tee

Extracting firmware from devices using JTAG

Posted on February 20, 2020 | 17 minutes | Sergio Prado

JTAG is a physical hardware interface that makes it possible, among other things, to extract the firmware image from electronic devices. [Read More]

security reverse-engineering

Reverse engineering my router's firmware with binwalk

Posted on February 6, 2020 | 12 minutes | Sergio Prado

A few days ago I decided to reverse engineer my router’s firmware image with binwalk. [Read More]

security reverse-engineering