Noisy Side-Channel Attacks Show Why True Security Is Difficult

In Learning Tree’s Cloud Security Essentials course we talk some about how security is difficult. Yes, there are issues of secure software implementation (the Heartbleed bug, for example) and cautious configuration, but the first step is designing a system that has a chance of being secure. As Ross Anderson explains in his textbook “Security Engineering” […]
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Voltage Fluctuations, Heat, and Other Side-Channel Attacks

A presentation at the recent Black Hat meeting discussed a side-channel attack on web servers. Variations in supply voltage and CPU temperature can cause errors which leak information about the server’s RSA secret key. Full details are in their paper “Fault-Based Attack of RSA Authentication.” This is another case where cloud provider infrastructure could provide […]
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