A November 2026 report describes embedding a readable protest message in an RSA certificate while retaining a usable private key.
Horible Public Key Tricks
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Cybersecurity
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Outlook.com Is Rejecting Email From Domains Without DMARC
MailRoute says Outlook.com began rejecting some mail from domains without DMARC on Nov. 5, including messages from smaller senders.
Deep-TEMPEST: A Modern Cybersecurity Attack That Reads Screens Via Radio
Wccftech reports that Deep-TEMPEST uses deep learning to reconstruct screen images from radio emissions captured from HDMI cables.
OpenSSH 10.6P2 Critical Workaround For Alpine Without PAM
OpenSSH 10.6p2 addresses a password-authentication bypass affecting some Linux systems built and run without PAM, including relevant Alpine setups.
Postman Silently Auto-installs AI Plugins And Attempts To Share All API Data
A GitHub report documents automatic Postman plugin installs and broad startup instructions on one Mac; it does not establish API data exfiltration.
Self-Employed? Solopreneur? NIST Has A Cybersecurity Guide Just For You
NIST has published a plain-language cybersecurity guide for businesses with one paid employee, with practical steps, worksheets and example plans.
Leaking Secrets From Air-Gap Computers By Spelling Radio Signals From RAM (2024)
A 2024 arXiv paper describes malware encoding data in radio emissions from RAM, with a reported rate of up to 1,000 bits per second.
TCP Use-After-Free: CVE-2026-98432 / CVSS 9.8
CVE-2026-98432 affects Linux kernels from 4.4 and carries a CVSS 9.8 score. Fix status varies by distribution as of Oct. 31, 2026.
A 2026 Checklist For Securing AI Automation Networks
A buyer’s checklist outlines network hardware and planning considerations for AI tools and automation, while leaving key security claims unverified.
Apple’s Git Still Trusts The Compromised eMudhra Certificates
A community report says macOS developer tools still trust compromised eMudhra certificates, even after a recent update reversed a manual workaround.
