New hardware device can RAM into encrypted memory, expose your data
Unable to tell that memory isn't fresh, a protected VM becomes vulnerable to a replay attack that uses stale, attacker-selected data. "It corrupts commands on the high-speed DDR5 memory bus to silently drop writes to encrypted memory. The protected VM keeps computing on old data that still decrypts perfectly.
- ▪Unable to tell that memory isn't fresh, a protected VM becomes vulnerable to a replay attack that uses stale, attacker-selected data.
- ▪"It corrupts commands on the high-speed DDR5 memory bus to silently drop writes to encrypted memory.
- ▪The protected VM keeps computing on old data that still decrypts perfectly.
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| Original publisher | The Register |
| Canonical URL | https://www.theregister.com/security/2026/09/14/new-hardware-device-can-ram-into-encrypted-memory-expose-your-data/5296377 |
| Publication time | Mon, 14 Sep 2026 20:31:33 +0200 |
| Retrieval time | 2026-09-14T21:16:51.521Z |
| Last seen | 2026-09-14T21:16:51.521Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | BF8tEiE9p2e7 · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
(function() { let windowUrl = window.location.href; windowUrl = windowUrl.substring(windowUrl.indexOf('?') + 1); let messageElement = document.querySelector('.shareableMessage'); if (windowUrl && windowUrl.includes('code') && windowUrl.includes('expires')) { messageElement.style.display = 'block'; } })(); SECURITY New hardware device can RAM into encrypted memory, expose your data Attackers would need physical access to the server to pull off the DDR5 trick Thomas Claburn Thomas Claburn AI AND SOFTWARE REPORTER Published mon 14 Sep 2026 // 19:31 UTC READ MORE AMD's Threadripper Halo is a local-AI workstation for researchers with deep pockets 9 days ago VMware uses Nvidia-favored 'AI factory' brand to build something with rival AMD 13 days ago Intel's 256-core Xeon 7 CPUs are a Diamond in…
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