Security bulletins Warnings and recommendations from national cyber security agencies, newest first. Each brief is at most 120 words, bottom line first, and links to the publication it was written from.
All sources BSI (DE) warning CERT Polska warning CERT-EU advisory CERT-SE advisory CISA advisory CISA alert MAS (SG) guidelines NCSC (UK) guidance NCSC (UK) news NSM (NO) warning SAMSIK (DK) news BSI (DE) · Warning · 30 Apr 2026
Version 1.0: cPanel und WHM - Aktiv ausgenutzte Schwachstelle ermöglicht Umgehen der Authentifizierung Read the original at www.bsi.bund.de ↗ (in German)
BSI (DE) · Warning · 24 Apr 2026
Version 1.1: Cisco Firewalls mit persistenter Malware infiziert Read the original at www.bsi.bund.de ↗ (in German)
NCSC (UK) · News · 23 Apr 2026
Executive Summary: Defending against China-nexus covert networks of compromised devices Read the original at www.ncsc.gov.uk ↗
NCSC (UK) · News · 23 Apr 2026
Defending against China-nexus covert networks of compromised devices Read the original at www.ncsc.gov.uk ↗
NCSC (UK) · News · 23 Apr 2026
NCSC: Leave passwords in the past - passkeys are the future Read the original at www.ncsc.gov.uk ↗
NCSC (UK) · News · 23 Apr 2026
International cyber agencies share fresh advice to defend against China-linked covert networks Read the original at www.ncsc.gov.uk ↗
NCSC (UK) · News · 22 Apr 2026
World-first NCSC-engineered device secures vulnerable display links Read the original at www.ncsc.gov.uk ↗
CISA · Advisory · 21 Apr 2026
Defending Against China-Nexus Covert Networks of Compromised Devices Read the original at www.cisa.gov ↗
NCSC (UK) · News · 21 Apr 2026
Cyber chief: UK faces "perfect storm" for cyber security Read the original at www.ncsc.gov.uk ↗
BSI (DE) · Warning · 15 Apr 2026
Version 1.0: Microsoft Windows IKE - Kritische Schwachstelle gefährdet Windows VPN-Server Read the original at www.bsi.bund.de ↗ (in German)
NCSC (UK) · News · 07 Apr 2026
APT28 exploit routers to enable DNS hijacking operations Read the original at www.ncsc.gov.uk ↗
NCSC (UK) · News · 07 Apr 2026
UK exposes Russian military intelligence hijacking vulnerable routers for cyber attacks Read the original at www.ncsc.gov.uk ↗
CISA · Advisory · 06 Apr 2026
Iranian-Affiliated Cyber Actors Exploit Programmable Logic Controllers Across US Critical Infrastructure Read the original at www.cisa.gov ↗
NCSC (UK) · News · 31 Mar 2026
NCSC warns of messaging app targeting Read the original at www.ncsc.gov.uk ↗
BSI (DE) · Warning · 30 Mar 2026
Version 1.0: F5 BIG-IP - Aktive Ausnutzung einer Schwachstelle im Access Policy Manager Read the original at www.bsi.bund.de ↗ (in German)
BSI (DE) · Warning · 30 Mar 2026
Version 1.1: Citrix NetScaler ADC und Gateway - Schwachstellen gefährden Organisationen Read the original at www.bsi.bund.de ↗ (in German)
BSI (DE) · Warning · 26 Mar 2026
Version 1.0: Trivy - Supply-Chain Angriff führt zu Kompromittierungen in Deutschland Read the original at www.bsi.bund.de ↗ (in German)
BSI (DE) · Warning · 25 Mar 2026
Version 1.0: Microsoft SharePoint - Angreifer nutzen kritische Schwachstelle aktiv aus Read the original at www.bsi.bund.de ↗ (in German)
NCSC (UK) · Guidance · 19 Mar 2026
How to secure your online meetings Read the original at www.ncsc.gov.uk ↗
BSI (DE) · Warning · 13 Feb 2026
Version 1.3: Ivanti EPMM - Aktive Angriffe über Zero-Day Schwachstellen beobachtet Read the original at www.bsi.bund.de ↗ (in German)