Sev-snp — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
2
occurrences
First Seen
January 16, 2026
Last Seen
January 25, 2026

Sev-snp refers to AMD's Secure Encrypted Virtualization - Secure Nested Paging (SEV-SNP), a hardware-assisted platform that encrypts VM memory and enforces integrity to protect workloads from a compromised hypervisor.

Sev-snp is a technology platform tracked across 2 threat clusters and 2 intelligence report mentions on ThreatCluster. First observed January 16, 2026; most recent activity January 25, 2026.

Overview

Sev-snp refers to AMD's Secure Encrypted Virtualization - Secure Nested Paging (SEV-SNP), a hardware-assisted platform that encrypts VM memory and enforces integrity to protect workloads from a compromised hypervisor. It is significant in cybersecurity because it strengthens isolation for cloud and multi-tenant environments, but recent disclosures of vulnerabilities can undermine these guarantees on affected hardware.

Related Threat Clusters

  • Critical SEV-SNP Vulnerability in AMD Zen 1 Processors Identified

    The StackWarp vulnerability (CVE-2025-29943) affects AMD Zen 1–5 processors utilizing Secure Encrypted Virtualization – Secure Nested Paging (SEV-SNP). This critical hardware flaw allows a privileged attacker to…

    1 article · Updated January 25, 2026
  • StackWarp Vulnerability Exposes AMD CPUs to VM Attacks

    Researchers from the CISPA Helmholtz Center for Information Security have identified a vulnerability named StackWarp in AMD CPUs, affecting generations from Zen-1 to Zen-5. This flaw compromises the integrity of…

    5 articles · Updated January 15, 2026

Recent Intelligence Reports

  • StackWarp (CVE-2025-29943): Critical SEV-SNP Vulnerability in AMD Zen 1 — Rescana · January 25, 2026
  • StackWarp: CISPA Researchers Discover New Vulnerability in Some AMD — Nachrichten.Idw-Online.De · January 16, 2026

Frequently asked questions

What is Sev-snp?

Sev-snp refers to AMD's Secure Encrypted Virtualization - Secure Nested Paging (SEV-SNP), a hardware-assisted platform that encrypts VM memory and enforces integrity to protect workloads from a compromised hypervisor.

Is Sev-snp still active?

The most recent intelligence report mentioning Sev-snp on ThreatCluster is dated January 25, 2026. Activity was first observed January 16, 2026, giving a tracked span from then to January 25, 2026.

What is Sev-snp associated with?

Across ThreatCluster reporting, Sev-snp most frequently co-occurs with Zero-day Exploit, CVE-2025-29943, AMD CPUs, Confidential Virtual Machines, EPYC Embedded 7003, among 10 tracked related entities.

What are the latest developments involving Sev-snp?

The most significant recent cluster is “Critical SEV-SNP Vulnerability in AMD Zen 1 Processors Identified” (1 article · Updated January 25, 2026). Sev-snp appears across 2 threat clusters in total, listed above with sources.

How much reporting does ThreatCluster have on Sev-snp?

Sev-snp appears in 2 intelligence report mentions across 2 deduplicated threat clusters, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown