Investigating vulnerabilities is not just understanding if a piece of vulnerable code is present on the system, but determining if it actually exposes an exploitable, attackable vulnerability. Understand what it means to be affected but not vulnerable.
Unit 42 has closely followed Silver Terrier since the threat research group was set up in 2014, analyzing some 1.1 million attacks to document how Nigerian cybercriminals have grown in sophistication and effectiveness over the past four years.