Starting February 2024 Google and Yahoo will start enforcing additional requirements for emails to reach the inbox. Here's how to comply.

A complete guide to creating a single-node Graylog instance, sending FortiGate firewall logs to it, and analyzing the data

A practical guide to preventing Business Email Compromise by using defense-in-depth techniques, multi-factor authentication, and training

Vulnerable Log4j versions can be found is SEIMs and forensic tools like Splunk, Graylog, Autopsy and Ghidra, turning the defenders tools against them.

This guide explains the exact steps for updating the firmware on Samsung monitor, and will hopefully save you a lot of searching.

A comprehensive guide to installing Volatility 2, Volatility 3, and all of their dependencies on Debian-based Linux like Ubuntu and Kali

A guide to using the dsbdb-python Python module to perform forward and inverse queries on passive DNS data in Farsight Security's DNSDB

An overview of what DNS is, how it works, and the purposes of the various DNS resource record types

A practical guide to using Microsoft Edge to examine heavily obfuscated JavaScript in a credential harvesting page

Let's Encrypt allows nginx reverse proxy servers to have a real, trusted SSL certificate, even for internal sites.