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Page Cache Attacks - Microarchitectural Attacks on Flawless Hardware

Black Hat via YouTube

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This talk surveys microarchitectural attacks and defenses, then examines a page-cache attack under the assumption that CPU microarchitectural side effects are hidden. It covers observing and resetting page-cache state and countermeasures for Linux and Windows.

Syllabus

Intro
Micro Architecture
CPU Cache
Application Cache Attack
Countermeasures
Parallel Universe
Page Cache
Simplified Page Cache
Observing Page Cache State
Reset Page Cache State
Linux
Windows
Sidechannel
Pseudorandom Number Generator
UI Redressing
Windows countermeasures
Performance optimization
Conclusion

Taught by

Black Hat

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