Insights into the clustering and reuse of phone numbers in scam emails

Cisco Talos has recently started to collect and gather intelligence around phone numbers within emails as an additional indicator of compromise IOC. In this blog, we discuss new insights into in-the-wild phone number reuse in scam emails. According to Talos' observations, the ease of API-driven...

Exploring AI in Steganography and Steganalysis: Trends, Clusters, and Sustainable Development Potential

Steganography and steganalysis are strongly related subjects of information security. Over the past decade, many powerful and efficient artificial intelligence AI - driven techniques have been designed and presented during research into steganography as well as steganalysis. This study presents a...

Topological Analysis of Mixer Activities in the Bitcoin Network

Cryptocurrency users increasingly rely on obfuscation techniques such as mixers, swappers, and decentralised or no-KYC exchanges to protect their anonymity. However, at the same time, these services are exploited by criminals to conceal and launder illicit funds. Among obfuscation services, mixer...