This year again, we were delighted to be able to share our knowledge during Hacker Summer camp (cybersecurity conferences that happen roughly at the same time in Las Vegas each year: BlackHat, BSides Las Vegas, and DEFCON). (Thomas is…
Category: Ethical Hacking & Incident Response
For the third consecutive time, the French city of Toulon hosted the French southernmost hacking event known as Barb'hack. We - two of Wavestone security auditors - have had the opportunity to attend the conference and participate in the Capture-the-Flag (CTF) event…
Overview Spring is a lightweight opensource application framework for Java. It allows for easy development and testing of Java applications. Spring is used to create Java enterprise applications. It provides means to build applications and supports different scenarios.…
THE ROLE OF DECRYPTION TOOL AGAINST THE RANSOMWARE THREAT The ransomware threat is increasing continuously and is now considered a national threat for countries, such as the US, France, or the UK. Last summer, the Virtual System Administrator (VSA) edited…
On the launch of the European Cybersecurity Month and for the Assises de la Sécurité (from 13 to 16 October 2021), Wavestone unveils the new edition of its benchmark of cybersecurity incidents. To this end, we reviewed the interventions of the CERT-Wavestone crisis…
DECRYPTION The underground economy of the ransomware In recent years the products of the underground economy have evolved quickly. Cyber criminals now offer services for others to purchase, the most popular being: Ransomware-as-a-service (RaaS). Let’s pretend you are a hacker…
DECRYPTION CYBER CRIMINAL NETWORK DISMANTELING The last 6 months, large-scale coordinated international actions have dismantled several of the biggest cybercriminal networks such as Emotet, Netwalker, Egregor or even Cl0p. Let’s have a closer look at some of them. What is Emotet?…
Due to the ever-growing use of certificates in modern applications, a large number of Active Directory infrastructures make use of Public Key Infrastructures (PKI) features. These features are provided by Certification Authorities (CA) which are either external to Active Directory…
Monthly indicators TOP ATTACK Two French hospital under ransomware attacks Ransomware attacks struck two French hospital groups in less than a week, prompting the transfer of some patients to other facilities but not affecting care for Covid-19 patients or virus…
Monthly indicators TOP ATTACK SolarWinds aftermaths On the 11th of January, a website presumably owned by the actors behind the SolarWinds breach has surfaced, claiming to be selling data obtained using the SolarWinds backdoor. The site, using the domain solarleaks.net,…