Joe’s on-the-ground report from Cisco Live U.S. is here, complete with therapy dog pictures and tips on handling conference overstimulation. This article has been indexed from Cisco Talos Blog Read the original article: Reporting from Vegas: Networking, AI, and good…
Category: Cisco Talos Blog
Hypotheses, telemetry, and human judgment: Inside Cisco Talos Threat Hunting
Learn how Cisco Talos Threat Hunting uses hypothesis-driven methods and multi-domain telemetry correlation to find stealthy threats operating below automated detection thresholds. This article has been indexed from Cisco Talos Blog Read the original article: Hypotheses, telemetry, and human judgment:…
Winning the cyber marathon with Tony Giandomenico
Tony Giandomenico, Senior Director of Product Management, joins Amy to discuss the Talos Threat Hunting launch what he’s excited about for the future of cybersecurity, and, of course, his Ironman triathlons. This article has been indexed from Cisco Talos Blog…
Less panic patching, more precision
In this newsletter, Thor breaks down why you should stop relying solely on CVSS and start using EPSS and GCVE to focus your patching efforts on the threats that actually matter. This article has been indexed from Cisco Talos Blog…
DICOM, Pydicom, GDCM, and Orthanc: A technical tour of what really happens in the heap
This white paper presents a concrete case study demonstrating the creation of a heap overflow vulnerability through the exploitation of the DICOM file format. This article has been indexed from Cisco Talos Blog Read the original article: DICOM, Pydicom, GDCM,…
MediaArea heap-based buffer overflow vulnerabilities
Cisco Talos’ Vulnerability Discovery & Research team recently disclosed four vulnerabilities in MediaArea MediaInfoLib library. The vulnerabilities mentioned in this blog post have been patched by their respective vendor, in adherence to Cisco’s third-party vulnerability disclosure policy. For Snort coverage…
Introducing EvidenceForge: Synthetic security logs that don’t look (as) fake
EvidenceForge generates high-quality, realistic, and consistent datasets across multiple log formats, enabling teams to effectively train personnel and validate detection models without the need for complex manual simulations. This article has been indexed from Cisco Talos Blog Read the original…
The art of being ungovernable
In this edition of the Threat Source newsletter, William explores the value of being “ungovernable” in a professional setting, sharing how challenging the status quo and seeking out the smartest people in the room can lead to a more fulfilling…
TP-Link, Photoshop, OpenVPN, Norton VPN vulnerabilities
Cisco Talos’ Vulnerability Discovery & Research team recently disclosed eight vulnerabilities in TP-Link, and one each in Adobe Photoshop, OpenVPN, and Gen Digital's Norton VPN. The vulnerabilities mentioned in this blog post have been patched by their respective vendors, in…
From PDB strings to MaaS: Tracking a commodity BadIIS ecosystem used by Chinese-speaking threat
Cisco Talos has uncovered a BadIIS variant — identifiable by its embedded “demo.pdb” strings — that functions as commodity malware, likely sold or shared among multiple Chinese-speaking cyber crime groups operating under a malware-as-a-service (MaaS) model for continuous monetization. This…
The time of much patching is coming
In this week’s newsletter, Martin reflects on what the next iteration of AI tools means for vulnerability discovery and our ability to manage large-scale patch releases. This article has been indexed from Cisco Talos Blog Read the original article: The…
Ongoing exploitation of Cisco Catalyst SD-WAN vulnerabilities
Cisco Talos is tracking the active exploitation of CVE-2026-20182, an authentication bypass vulnerability in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, and Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage. This article has been indexed from Cisco Talos Blog Read the…
Breaking things to keep them safe with Philippe Laulheret
Philippe shares his unique journey from French engineering school to the front lines of cybersecurity, explaining how his lifelong love for solving puzzles helps him uncover critical security flaws before they can be exploited. This article has been indexed from…
Microsoft Patch Tuesday for May 2026 — Snort rules and prominent vulnerabilities
Microsoft has released its monthly security update for May 2026, which includes 112 vulnerabilities affecting a range of products, including 16 that Microsoft marked as “critical”. This article has been indexed from Cisco Talos Blog Read the original article: Microsoft Patch Tuesday for May 2026…
State-sponsored actors, better known as the friends you don’t want
Responding to a state-sponsored threat is nothing like responding to ransomware, and the differences can make or break the outcome. Learn why your IR plan might need revisiting, and the factors you should consider. This article has been indexed from Cisco Talos Blog…
Unplug your way to better code
Cybersecurity concepts — logs, packets, DNS exfiltration, and more — are usually intangible, and its practitioners are prone to mental fatigue, Amy takes a second to yell at you to go touch grass. This article has been indexed from Cisco…
Insights into the clustering and reuse of phone numbers in scam emails
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. This article has been indexed from Cisco Talos Blog Read the original article: Insights into the…
CloudZ RAT potentially steals OTP messages using Pheno plugin
Cisco Talos discovered an intrusion, active since at least January 2026, where an unknown attacker implanted a CloudZ remote access tool (RAT) and a previously undocumented plugin called “Pheno.” This article has been indexed from Cisco Talos Blog Read the original article: CloudZ RAT potentially steals OTP messages using Pheno plugin
UAT-8302 and its box full of malware
Cisco Talos is disclosing UAT-8302, a sophisticated, China-nexus advanced persistent threat (APT) group targeting government entities in South America since at least late 2024 and government agencies in southeastern Europe in 2025. This article has been indexed from Cisco Talos…
Great responsibility, without great power
In this week’s newsletter, Hazel uses International Superhero Day as a springboard to explore why empathy — rather than just technical prowess — is the most essential, underrated superpower for navigating the human side of cybersecurity. This article has been…