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Attacking SMM Memory via Intel® CPU Cache Poisoning

Rafal Wojtczuk and Joanna Rutkowska:

System Management Mode (SMM) is the most privileged CPU operation mode on x86/x86_64 architectures. It can be thought of as of «Ring -2″, as the code executing in SMM has more privileges than even hardware hypervisors (VT), which are colloquially referred to as if operating in [...]

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Your online payments are being sniffed; accept it, live with it

Greg Hoglund:

PCI compliance is clearly not enough to protect credit card numbers or account information. It’s about time everyone who uses an account for online payment simply accept the facts: your credit card numbers have been stolen. Check your statements monthly. Why? This isn’t about Heartland or the breach-of-the-week; [...]

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