---
id: 2405
title: "Hardware Side Channels in the Cloud"
source_domain: blog.trailofbits.com
source_url: "https://blog.trailofbits.com/2015/07/21/hardware-side-channels-in-the-cloud/"
published_at: "2015-07-21T11:50:01Z"
tags: ["cloud", "cloud-security", "hardware-security", "cryptography", "virtualization", "hardware", "recon", "side-channel", "cpu", "cpu-pipeline", "side-channel-attack"]
phying_url: "https://phying.com/item/2405"
lang: en
---

# Hardware Side Channels in the Cloud

## Summary

From REcon 2015: a hardware side channel against co-located cloud VMs exploiting CPU pipeline behavior instead of cache tiers, enabling crypto key theft, process monitoring, and covert messaging.

## Intelligence Metadata

- **Sources:** blog.trailofbits.com
- **Published:** 2015-07-21T11:50:01Z
- **Original:** https://blog.trailofbits.com/2015/07/21/hardware-side-channels-in-the-cloud/
- **Phying News:** https://phying.com/item/2405