MeltdownCannotRun malicious codeCrash computers

CanRead “protected” in-memory data

Processor Vulnerability

Infographic: Meltdown/Spectre

How they Work

Who is A�ected

Caching/SpeculativeExecution

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Protected Memory Speculative ExecutionFaster ProcessingLess Security

Exploits

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Spectre

Risk Grows by Size

Every Major OS is Vulnerable

Two-Part Solution

Performance Hit

The Good News

Read memory contents during Speculative Execution

Personal Machines

OS Updates

Company Servers Cloud Datacenter

Chipmaker Microcode Updates (most cases)

Early crashes/problemsreported with OS fixes

OS fixes may require app updates (e.g.- antivirus)

Part 1

Meltdown/Spectre can't crash systems,

but some fixes can.

Part 2

Protected System

Fix causes system slowdownImpact may be negligible

Newer systems are less impacted

Secure Meltdown/SpectreBefore sensitive data is exposed

Meltdown Only

Spectre Only

Apple/Mac OS