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Edmund Brumaghin

Threat Researcher

Cisco Talos

Edmund Brumaghin is a threat researcher with Cisco Talos. He has spent the past several years protecting environments across a number of different industries including nuclear energy, financial services, etc. He currently spends his days hunting malware and analyzing various threats as they emerge and continue to evolve. In his time with Talos he has researched ransomware and other threats being distributed using various attack vectors. He has also worked to expose large scale malware campaigns and raise awareness of security threats observed across the threat landscape.

Articles

July 26, 2017

SECURITY

How Adversaries Are Refining and Improving Ransomware in 2017

Once adversaries have found a method for breaching network defenses, stealing data, or otherwise generating revenue, they’ll continue to refine these tactics to avoid detection and improve effectiveness. Ransomware, one of the more high-profile tools leveraged by adversaries, has undergone this same evolution, as we explain in the Cisco 2017 Midyear Cybersecurity Report. Delivery, obfuscation, […]