Latest daily brief · 2026-10-12
7 Critical Security Fixes You Need Today
7 stories: SonicWall SMA1000 Series appliances; Bricksforge WordPress plugin; Atlassian Data Center products; Citrix NetScaler ADC and NetScaler Gateway;… Read the brief →
Tutorials
Start here:
- Nmap for BeginnersScan your own network, read the results, and understand what every port state means — one command at a time.
- Web Application Security for BeginnersFive classic web flaws, exploited live in a safe lab, and how defenders stop each one.
- The 10 CommandsTen commands per topic that security beginners actually use, shown working.
- Explained LiveOne attack technique per video, shown happening, then how to defend against it.
- Wireshark for BeginnersCapture traffic and learn to spot what should not be there.
Newest lessons
- The 10 curl Commands Every Security Tester Uses in 20262026-10-08 — Every web app you have ever used will tell you things it should not, if you ask it the right way. No browser, no scanner, no special tools. Just curl,…
- Wireshark for Beginners Part 2 — Spot Suspicious Traffic on Your Network2026-10-01 — Look at these five numbers. Something on this computer is quietly phoning home every two seconds, like clockwork, and Wireshark just caught it.
- Wireshark Packet Sniffing for Absolute Beginners — Catching a Plaintext Login2026-09-21 — Watch the terminal. In a few seconds you're going to watch a username and password cross the network in plain, readable text, caught live with nothing…
- 10 Linux Commands That Expose Hidden Malware2026-09-16 — You do not need antivirus software to notice something is wrong on a Linux system. You need ten ordinary commands, and today we run every one of them for…
- The 10 Linux Commands Every Security Beginner Uses in 20262026-09-14 — Ten ordinary commands are the toolkit every security beginner actually lives in — not fancy exploits, just knowing your way around a Linux terminal.…
- Practical Malware Analysis: The 10 Commands You Need in 20262026-09-13 — You do not need a malware lab to start analyzing a suspicious file. You need ten ordinary Linux commands, and today we run every one of them for real, on…
Recent briefs
- Citrix NetScaler ADC Attacks Continue + 4 More Fixes2026-10-11 — 5 stories: Citrix NetScaler ADC and NetScaler Gateway; SonicWall SMA1000; Citrix NetScaler ADC and NetScaler Gateway; Ricardo (SMG Swiss Marketplace…
- Fortinet FortiMail Under Active Attack + 3 More Fixes2026-10-10 — 4 stories: Fortinet FortiMail; Citrix NetScaler ADC and NetScaler Gateway; Cisco NX-OS; Microsoft Exchange Server.
- Multiple Products Under Active Attack + 6 More Fixes2026-10-09 — 7 stories: Multiple Products (ProFTPD, ONLYOFFICE, Strapi, Apache Struts, ISC BIND); MonsterCloud; US Critical Infrastructure Sectors; Multiple Atlassian…
- 5 Critical Security Fixes for Oct 82026-10-08 — 5 stories: Cisco NX-OS Software; Sompo Japan; IDCF Cloud; Nissui / Nissui Logistics; Daiichikosho.
- Zammad GmbH Zammad Under Active Attack + 3 More Fixes2026-10-07 — 4 stories: Zammad GmbH Zammad; Langflow AI application-building platform; Various organizations targeted by phishing; Citrix NetScaler ADC and Citrix…
- Fortinet FortiMail Under Active Attack + 4 More Fixes2026-10-06 — 5 stories: Fortinet FortiMail; Citrix NetScaler ADC and Gateway; Zammad; Atlassian Data Center products; Danish CPR system.
- Zammad Under Active Attack + 4 More Fixes2026-10-03 — 5 stories: Zammad; Cisco Catalyst SD-WAN Manager; Citrix NetScaler ADC and Gateway; Rejetto HTTP File Server; Microsoft Exchange Server.
- Fortinet FortiMail Under Active Attack + 2 More Fixes2026-10-02 — 3 stories: Fortinet FortiMail; Critical Infrastructure; Armatura One.
- Apple CoreGraphics Under Active Attack + 6 More Fixes2026-10-01 — 7 stories: Apple CoreGraphics; Cisco Catalyst SD-WAN Manager; Citrix NetScaler ADC and Gateway; Zammad; MikroTik RouterOS; OpenSSL; Bitget.
- Citrix NetScaler ADC Under Active Attack + 2 More Fixes2026-09-30 — 3 stories: Citrix NetScaler ADC and NetScaler Gateway; Apple iOS, macOS, and iPadOS; Dockhand.