Technical Beiträge

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.

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.

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.

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.

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.

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

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.

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.