Analyzing SSL/TLS Certificates Used by Malware

Malware has increasingly been making use of encryption to help hide their network traffic in recent years. This makes sense especially when one realizes that ordinary network traffic is increasingly encrypted as well. Google’s own Transparency Report notes that HTTPS Read More …

The Evolution of Connected Cars as Defined by Threat Modeling UN R155-Listed Attack Vectors

The United Nations Regulation No. 155 sets provisions for cybersecurity and cyber security management systems in vehicles. A notable section of the document is Annex 5, which lists 69 attack vectors affecting vehicle cybersecurity. In order to help organizations comply Read More …

Conti ransomware now hacking Exchange servers with ProxyShell exploits

The Conti ransomware gang is hacking into Microsoft Exchange servers and breaching corporate networks using recently disclosed ProxyShell vulnerability exploits. ProxyShell is the name of an exploit utilizing three chained Microsoft Exchange vulnerabilities (CVE-2021-34473, CVE-2021-34523, CVE-2021-31207) that allow unauthenticated, remote Read More …

Bluetooth Bugs Open Billions of Devices to DoS, Code Execution

Researchers have disclosed a group of 16 different vulnerabilities collectively dubbed BrakTooth, which impact billions of devices that rely on Bluetooth Classic (BT) for communication. According to an academic paper from the University of Singapore, the bugs are found in Read More …

Cisco Releases Security Updates for Cisco Enterprise NFVIS

Cisco has released security updates to address a critical vulnerability affecting Cisco Enterprise Network Function Virtualization Infrastructure Software (NFVIS) Release 4.5.1. A remote attacker could exploit this vulnerability to take control of an affected system. For updates addressing lower severity Read More …