General WiFi vulnerability on WPA2 : KRACK
Serious weaknesses have been found in WPA2, the protocol that secure all modern WiFi networks. An attackers can use “Key Reinstallation AttaCKs” (KRACK) to read informations that was previously assumed to be safely encrypted. This can be used to steal sensitive information seen on the WiFi network. In some case it can also be used to inject and manipulate data (to inject ransomware or malware for example). This weaknesses are in the Wi-Fi standard itself so all products are or implementations are vulnerable (all the OS and hardware). So please make sure to keep your system up-to-date to get the…
New Ransomware Spreading …
A modified version of Petya Ransomware is spreading fast ! While WannaCry continue to make victims (Honda in Japan some days ago), NotPetya is spreading fast infecting computers from corporates, power supplies and bank. It started with Ukraine, then Russia, Spain, France, UK, India … What is NotPetya : This new variant of Petya Ransomware, know as Petrwrap or NotPetya use same SMBv1 vulnerability than WannaCry to propagate fast (Thanks to NSA Hack tools that was leaked …). But it exploit also WMIC (Windows Management Instrumentation Command-line) and PSEXEC (a replacement of Telnet on Windows Systems), 2 remote command tools from Microsoft to propagate. So it…
Ransomware Alert
Massive Global Ransomware Attack Underway. Please make sure you done all recent Windows Update to protect your PC and your precious DATA. It’s now confirmed from many source : WannaCryptOr/WannaCry ransomware is infecting Windows computers and is very virulent because of its mode of propagation. Big infrastructures already have been infected including government agencies, hospital, ISP … Once one computer is affected the malware infection spreads on other computers of same network using SMB vulnerability. So it may spread inside private network but also free WiFi. From what we know Microsoft fixed this vulnerability on its Windows updates on…
Big web site update
An update of my website was needed because it was getting old. So the new version is on its way 🙂 So be prepared of new look, update of content itself, and more connection to social networks. So under mutation this weekend 😉 Regards, ALX.