Articles

Analysis and technical notes

Longer reads on attack techniques, defence and lessons from real incidents.

Red Team

DLP Evasion through QR code

I came across an interesting tool that uses QR code videos to decode binary data of files and then reassembles it using QR code reading applications…

Blue Team

DLP – Data Lost Prevention

Data Loss Prevention (DLP) is a set of technologies and processes designed to prevent unauthorized access to sensitive data and protect it from being lost, stolen,…

Ramsomware

Ryuk Ransomware

GRIM SPIDER is a sophisticated eCrime group that has been operating the Ryuk ransomware since August 2018, targeting large organizations for a high-ransom return. This methodology,…

Malware

Worms Defined

Computer worms and viruses are typically grouped together as infectious agents that replicate themselves and spread from system to system. However, they have different properties and…

Red Team

Sniffers

Sniffers monitor and record raw data that passes through, over, or by a physical network interface. They operate from a core part of a system’s networking…

Red Team

Overview of Vulnerability Scanning

All software has bugs. Some bugs are easy to trigger, but have little impact on the software’s behavior; for example, perhaps a spellchecker misses the correction…

Blue Team

How Much Security Do You Need?

The amount of security you need to protect your systems depends on several factors, including: In general, it is important to have a comprehensive security strategy…