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Author Bio


Dennis Fisher

Editor

Dennis Fisher is an award-winning journalist and author. He is one of the co-founders of Decipher and Threatpost and has been writing about cybersecurity since 2000. Dennis enjoys finding the stories behind the headlines and digging into the motivations and thinking of both defenders and attackers. He is the author of 2.5 novels and once met Shaq. Contact: dennis at decipher.sc.

dennis@decipher.sc

Featured Articles


High-Risk Authentication Bypass Flaw Found in Telnetd

The flaw is in the way that the telnetd server handles some specific user-supplied data. An attacker who exploits this vulnerability would be able to bypass the authentication path and gain root privileges. 

By Dennis Fisher

January 21, 2026 | 2 min read

LinuxVulnerability

The RedVDS Takedown, Yet Another Chinese APT Emerges, and the StackWarp AMD Bug

This week, we talk about how Microsoft disrupted a long-running, large-scale cybercrime-as-a-service platform called RedVDS that has been active since 2019 and was used in high-volume phishing and BEC scams (1:00), then we discuss the research from Cisco Talos on another (!) Chinese APT called UAT-8837 that is targeting critical infrastructure organizations in North America […]

By Dennis Fisher

January 16, 2026 | 1 min read

MicrosoftPodcast
microsoft

Microsoft Disrupts RedVDS Cybercrime Platform

The takedown marks a significant blow to the cybercrime-as-a-service ecosystem, which fuels large-scale, automated fraud.

By Dennis Fisher

January 14, 2026 | 3 min read

AIMalwareMicrosoft

‘We Fail a Lot’: How Two Security Pioneers Keep Innovating

From their roles as the driving forces behind pioneering web appsec firm WhiteHat Security to building out enterprise security programs to breaking large portions of the web, Jeremiah Grossman and Robert Hansen have unique viewpoints on what works and what doesn't.

By Dennis Fisher

January 13, 2026 | 1 min read

PodcastVulnerability

The Future of Vulnerability Management With Jeremiah Grossman and Robert “RSnake” Hansen

Jeremiah Grossman and Robert Hansen, two of the more influential and accomplished leaders and entrepreneurs in the cybersecurity community, have seen and done it all in their careers. From their roles as the driving forces behind pioneering web appsec firm WhiteHat Security to building out enterprise security programs to breaking large portions of the web […]

By Dennis Fisher

January 13, 2026 | 1 min read

VideoVulnerability

A New Chinese APT Debuts and React2Shell Attacks Spike

By Dennis Fisher

January 9, 2026 | 0 min read

Podcast
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