D4 Project

A large-scale distributed sensor network to monitor DDoS and other malicious activities relying on an open and collaborative project.

All Stories

Publishing open data in the cyber security field

Publishing open data in the cyber security field

Publishing open data in the cyber security field

Monitoring botnets that use Tor proxies

Monitoring botnets that use Tor proxies

Tor is an onion routing protocol that can used to protect users’ anonymity and circumvent censorship. Tor allows for the hosting of hidden-services that are services only accessible through Tor....

d4-goclient v0.4 released

d4-goclient v0.4 released

Table of Contents

Analyzing TCP port scan

Analyzing TCP port scan

A few years ago, the Mirai botnet was talked about because it caused a few major DDoS attacks around August 2016. The author later released the source code on hackforums...

Alexis Lecocq Alexis Lecocq
Observing ssh failed login attempts

Observing ssh failed login attempts

Table of Contents

State of the art - DDoS - part 1/n

State of the art - DDoS - part 1/n

Denial of Service attacks are attacks where an attacker prevents a service to answer to its legitimate users by causing resources exhaustion on the infrastructure furnishing the service. This can...

D4 software stack - new version released

D4 software stack - new version released

Following the Programming Methodology Framework aka PMF we choose to release D4 software component early, and often. All interested parties are invited to install and use these, and to report...

circl circl

"In any case, I would argue that absolute measures are not the goal in cybersecurity, that relative measures are sufficient for the simple fact that relative measures -- like is such and such risk getting worse -- are sufficient for decision support. This has parallels in the physical world; no police department will ever know how much heroin is for sale, but they can tell the price, and a rising or falling price is sufficient for decision making about what to do and whether what was already done had a positive effect."

Dan Geer in talk 7th October 2015

Connect with Us