Paper on hardware security attacks

Interesting and extensive read. A very short abstract:

This thesis presents a wide range of attacks on hardware security in microcontrollers and smartcards. This includes already known non-invasive attacks, such as power analysis and glitching, and invasive attacks, such as reverse engineering and microprobing. A new class of attacks – semi-invasive attacks – is introduced. Like invasive attacks, they require depackaging the chip to get access to its surface. But the passivation layer remains intact, as these methods do not require electrical contact to internal lines. Semi-invasive attacks stand between non-invasive and invasive attacks. They represent a greater threat to hardware security, as they are almost as effective as invasive attacks but can be low-cost like non-invasive attacks.

The paper is already 6 years old, but well worth a look; Semi-invasive attacks – A new approach to hardware security analysis

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