# side channel

A security attack technique that infers secrets by observing a program's non-functional characteristics or indirect system and hardware effects, often to exfiltrate cryptographic keys.

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## Speculative Execution Threat Model

DevFeed: [Speculative Execution Threat Model](<https://devfeed.tech/articles/speculative-execution-threat-model-36981.md>)

Original publisher: [Read original article](<https://shostack.org/blog/speculative-execution-threat-model/>)

Author: Adam

Published: 2018-03-15T00:00:00Z

Content type: opinion

Language: en

Sources: [Shostack & Friends Blog](<https://devfeed.tech/sources/shostack-friends-blog.md>)

Topics: [execution](<https://devfeed.tech/topics/execution.md>), [side channel](<https://devfeed.tech/topics/side-channel.md>), [Vulnerabilities](<https://devfeed.tech/topics/vulnerabilities.md>), [Hardware](<https://devfeed.tech/topics/hardware.md>), [context](<https://devfeed.tech/topics/context.md>)

Tags: [context](<https://devfeed.tech/tags/context.md>), [disclosure](<https://devfeed.tech/tags/disclosure.md>), [execution](<https://devfeed.tech/tags/execution.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [prevent](<https://devfeed.tech/tags/prevent.md>), [side-channel](<https://devfeed.tech/tags/side-channel.md>), [vulnerabilities](<https://devfeed.tech/tags/vulnerabilities.md>)

### AI overview

A commentary on Matt Miller's threat model for speculative execution side-channel hardware vulnerabilities. It describes primitives such as conditional and indirect branch misprediction and exception delivery or deferral, along with disclosure gadgets and mitigation models.

### Source excerpt

[no description provided]