Scaling Anti-Tamper Protection To Meet Escalating Threats


Anti-tamper tends to be one of those catchall phrases encompassing any countermeasure on a security chip. A more precise definition would be that anti-tamper protection is any collection of countermeasures that serves to thwart an adversary’s attempt to monitor or affect the correct operation of a chip or a security core within a chip. Given that, it can be useful to think about a hierarchy o... » read more

FIAs Pose Tricky Security Attacks


Voltage and clock glitching are terms crowding into the emerging lexicon of chip security attacks. These are two popular methods adversaries use that can be categorized under the umbrella of fault injection attacks (FIAs). Micro-architectural vulnerabilities like Meltdown, Spectre, Foreshadow and Spoiler have been in the limelight for months. But now, FIAs are getting more attention as the indu... » read more