What happened
A short summary of the development and who it affects: the products, versions or sectors involved.
Cyberr Brief
Daily cybersecurity news briefing.
The security news worth your morning: what happened, who it affects and what to do. Free, daily or weekly.
What it is
What is Cyberr Brief?
Cyberr Brief is a free cybersecurity news briefing from Cyberr. Every morning at 07:00 Luxembourg time it sends the most important security developments of the past day, each with a short summary, a link to the original source and a practical takeaway. A weekly summary goes out every Monday for readers who prefer one email a week. AI helps find and summarise the stories, and a Cyberr editor reviews every edition before it is sent.
Read recent editionsEvery story
Three things, every time.
Threats and vulnerabilities, detection and response, tools and engineering. Whatever the topic, each story is built the same way.
What to do
A practical takeaway you can act on, whether that is patching, hunting or simply knowing what to watch.
The source
A link to the original reporting or advisory, so you can check the details yourself.
Recent editions
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DAILY BRIEF · OCTOBER 16, 2026
All 23 editionsDaily Brief, October 16, 2026
Read edition →DAILY BRIEF · OCTOBER 15, 2026Ghostscript RCE flaw and Ivanti zero-day under attack
Read edition →DAILY BRIEF · OCTOBER 14, 2026Patch Tuesday and Ivanti zero-day exploitation
Read edition →DAILY BRIEF · OCTOBER 13, 2026Daily Brief, October 13, 2026
Read edition →DAILY BRIEF · OCTOBER 12, 2026Daily Brief, October 12, 2026
Read edition →WEEKLY BRIEF · OCTOBER 12, 2026Weekly Brief, October 12, 2026
Read edition →Good to know
Questions, answered.
What is Cyberr Brief?
Cyberr Brief is a free cybersecurity news briefing from Cyberr. Every morning at 07:00 Luxembourg time it sends the most important security developments of the past day, each with a short summary, a link to the original source and a practical takeaway. A weekly summary goes out every Monday for readers who prefer one email a week. AI helps find and summarise the stories, and a Cyberr editor reviews every edition before it is sent.
What does Cyberr Brief cover?
Exploited vulnerabilities and critical CVEs, active attack campaigns, detection and response, and security tools and engineering. Each edition keeps to the few developments worth your attention that day.
Is Cyberr Brief free?
Yes. Cyberr Brief is free, and you do not need a Cyberr account to subscribe.
How often will I get it?
Choose the daily briefing every morning at 07:00 Luxembourg time, or the weekly summary every Monday.
Where do the stories come from?
Every story links to its original source. AI helps find and summarise stories, and a Cyberr editor reviews every edition before it is sent.
Can I unsubscribe or switch frequency?
Any time. Every email has a one-click unsubscribe link, and you can move to the weekly summary instead of leaving.
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