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cipherleaks.com

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First seen 2026-04-30 · Last seen 2026-04-30 · ok HTTP/1.1 200 178 ms crawled 2026-05-07

US · 185.199.109.153 · AS54113 Fastly, Inc.

Reputation 100/100

sector tech type blog

HTML metadata

Title
Home | CIPHERLEAKs
Description
Cipherleaks is the first demonstrated attack against AMD SEV-SNP. It exploits a vulnerable design feature of SEV’s memory encryption and uses the ciphertext of the encrypted VM Save Area (VMSA) as side channels to breach constant-time RSA and ECDSA implementation of the latest OpenSSL library.
Language
en
Generator
Jekyll v3.9.0
Canonical
https://cipherleaks.com/

Open Graph

url
https://cipherleaks.com/
title
Home
locale
en_US
site name
CIPHERLEAKs: Ciphertext Side Channels on AMD SEV
description
Cipherleaks is the first demonstrated attack against AMD SEV-SNP. It exploits a vulnerable design feature of SEV’s memory encryption and uses the ciphertext of the encrypted VM Save Area (VMSA) as side channels to breach constant-time RSA and ECDSA implementation of the latest OpenSSL library.

Technology

CDN
Fastly
Server
GitHub.com
CMS
WordPress
Fonts
  • Font Awesome
  • Google Fonts
Social widgets
  • YouTube Embed

Third-party hosts loaded (5)

  • stackpath.bootstrapcdn.com×2
  • cdnjs.cloudflare.com×1
  • fonts.googleapis.com×1
  • use.fontawesome.com×1
  • www.youtube.com×1

Social

Registration

Registrar
GoDaddy.com, LLC
Created
2021-08-10
Expires
2026-08-10 83 days left
Updated
2025-08-11
Name servers
  • ns65.domaincontrol.com
  • ns66.domaincontrol.com

DNS records live

NS
  • ns65.domaincontrol.com
  • ns66.domaincontrol.com
TXT
  • google-site-verification=SX64xO1oAQoSGwY9M-f9yjlpUroRC7SwYb8H4IZtm-A

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-21 to 2026-07-20
Expires in 62 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://cipherleaks.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31556952

Links to (7)

Linked from (1)