Tampered Chef: When Malvertising Serves Up Infostealers
Imagine downloading a PDF Editor tool from the internet that works great...until nearly two months later, when it quietly steals your credentials. That’s the reality of “Tampered Chef,” a malvertising campaign that preyed on users searching for everyday software.In this episode, Nick Biasini explains how cybercriminals are investing in "malvertising", why enterprises are prime targets, and why there are additional challenges when it comes to defending against time-delayed attacks.
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Inside the Black Hat NOC: Lessons in Securing One of the Wildest Networks
How do you build and defend a network where attacks are not just expected-they're part of the curriculum? In this episode, Hazel talks with Jessica Oppenheimer, Director of Security Operations at Cisco, about the ten years she's spent in the Black Hat Network Operations Center (NOC).Explore the technical challenges of segmenting and monitoring a network designed for experimentation, live hacking, and hands-on training, including how malicious and benign behaviors are distinguished in real time. Jessica shares how the NOC leverages Cisco technologies like the new machine learning-powered SnortML engine to detect zero-days, outliers, and advanced attack patterns that traditional rule sets miss.Learn how automation, contextual analysis, and collaborative response drive decision-making in this high-stakes environment, and how those lessons now influence security at global events like the Olympics and the Super Bowl.For more details, check out the Cisco blog wrap detailing all our Black Hat NOC activity https://blogs.cisco.com/security/bhusa-2025-noc
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Breaking Down Chaos: Tactics and Origins of a New RaaS Operation
Hazel is joined by threat intelligence researcher James Nutland to discuss Cisco Talos’ latest findings on the newly emerged Chaos ransomware group. Based on real-world incident response engagements, James breaks down Chaos’ fast, multi-threaded encryption, their use of social engineering and remote access tools like Quick Assist, and the group’s likely connections to former BlackSuit operators. James also shares what defenders should be watching for and how to stay ahead of evolving ransomware tactics.Read the full research blog: https://blog.talosintelligence.com/new-chaos-ransomware
Every fortnight, host Hazel Burton brings on a new guest from Talos or the broader Cisco Security world to break down a complicated security topic. We cover everything from breaking news to attacker trends and emerging threats.
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