Publicaciones de Technical


Imagen de portada de What Is the CIA Triad? Confidentiality, Integrity and Availability Explained

What Is the CIA Triad? Confidentiality, Integrity and Availability Explained

What is the CIA triad? Confidentiality, integrity and availability explained, with a real attack on each and commands to check them on your own systems.

Imagen de portada de How to Check Listening Ports on Linux with ss and lsof

How to Check Listening Ports on Linux with ss and lsof

How to list the ports a Linux server is listening on with ss and lsof, read the output, and decide which services should not be exposed.

Imagen de portada de Windows Event ID 4625: How to Investigate Failed Logons

Windows Event ID 4625: How to Investigate Failed Logons

What Windows Event ID 4625 means, how to read its status codes and logon types, and how to tell a mistyped password from a brute-force or password spraying attack.

Imagen de portada de How to Check Email Headers for Phishing: SPF, DKIM and DMARC Explained

How to Check Email Headers for Phishing: SPF, DKIM and DMARC Explained

Learn how to check email headers for phishing. View full headers in Outlook, Gmail and Apple Mail, read the Received chain and understand SPF, DKIM and DMARC results.

Imagen de portada de GFL Summer Series: Threats That Hit When You’re by the Pool

GFL Summer Series: Threats That Hit When You’re by the Pool

The sun is shining. Out-of-office messages are going out. Half of the security team is wrestling for space around a hotel pool. The rest are frantically trying to figure out who can approve an emergency firewall upgrade.

Imagen de portada de Analyse DNS Tunneling on the network with WireShark

Analyse DNS Tunneling on the network with WireShark

Learn how to detect DNS tunnelling in Wireshark by analysing an Iodine PCAP. Identify unusual DNS queries, changing subdomains, encoded data and traffic patterns.

Imagen de portada de Our Top tools 2026

Our Top tools 2026

There are countless tools available across the cyber security landscape. Whether you're performing incident response, threat hunting, penetration testing, malware analysis, digital forensics, or systems administration, there is almost always a specialised tool designed to make the task easier.

Imagen de portada de India’s Cybersecurity Moment: Skills the Market Needs

India’s Cybersecurity Moment: Skills the Market Needs

India currently faces a shortage of over 1 million cybersecurity professionals, and that gap is widening every year. According to the 2025 Fortinet Global Cybersecurity Skills Gap Report, 92% of Indian organisations experienced at least one cyber breach in 2024, with 34% reporting five or more incidents. The primary cause cited? Insufficient IT security training and expertise.