Patch it up: Old vulnerabilities are everyone’s problems
Welcome to this week’s edition of the Threat Source newsletter.Let's pick up where we left off in my last newsletter. Please mark your calendars: The free support for Windows 10 will end on October 14,...
View ArticleMiniaudio and Adobe Acrobat Reader vulnerabilities
Cisco Talos’ Vulnerability Discovery & Research team recently disclosed a Miniaudio and three Adobe vulnerabilities. The vulnerabilities mentioned in this blog post have been patched by their...
View ArticleUAT-5918 targets critical infrastructure entities in Taiwan
By Jung soo An, Asheer Malhotra, Brandon White, and Vitor Ventura.Cisco Talos discovered a malicious campaign we track under the UAT-5918 umbrella that has been active since at least 2023. UAT-5918, a...
View ArticleTomorrow, and tomorrow, and tomorrow: Information security and the Baseball...
Welcome to this week’s edition of the Threat Source newsletter. “Tomorrow, and tomorrow, and tomorrow / Creeps in this petty pace from day to day / To the last syllable of recorded time.” -...
View ArticleMoney Laundering 101, and why Joe is worried
Welcome to this week’s edition of the Threat Source newsletter. Howdy friends! One of things I learned early on in cyber security is that crime does, in fact, pay. It can pay very well, actually. If it...
View ArticleGamaredon campaign abuses LNK files to distribute Remcos backdoor
Cisco Talos is actively tracking an ongoing campaign targeting users in Ukraine with malicious LNK files, which run a PowerShell downloader, since at least November 2024. The file names use Russian...
View ArticleAvailable now: 2024 Year in Review
Welcome to Cisco Talos’ 2024 Year in Review, available for download now. This report is powered by threat telemetry from over 46 million global devices across 193 countries and regions, amounting to...
View ArticleBeers with Talos: Year in Review episode
Joe, Hazel, Bill and Dave break down Talos' Year in Review 2024 and discuss how and why cybercriminals have been leaning so heavily on attacks that are routed in stealth in simplicity. The team also...
View ArticleOne mighty fine-looking report
Welcome to this week’s edition of the Threat Source newsletter. They say art is subjective, but have you ever seen a well-formatted bar chart? Van Gogh had Starry Night, but Talos’ 2024 Year in Review...
View ArticleYear in Review: In conversation with the report's authors
🎥 Talos Year in Review 2024: Part 1 & 2 – Watch Now!Another year, another mountain of malicious telemetry to sift through. I spoke with a few of Talos' Year in Review authors, freshly out of the...
View ArticleYear in Review: Key vulnerabilities, tools, and shifts in attacker email tactics
Over the next few weeks, we’re breaking down the most critical sections of our 2024 Year in Review.This week, we examine the most frequently targeted vulnerabilities—particularly those affecting...
View ArticleMicrosoft Patch Tuesday for April 2025 — Snort rules and prominent...
Microsoft has released its monthly security update for April of 2025 which includes 126 vulnerabilities affecting a range of products, including 11 that Microsoft marked as “critical”. In this month's...
View ArticleUnraveling the U.S. toll road smishing scams
Cisco Talos has observed a widespread and ongoing financial theft SMS phishing (smishing) campaign since October 2024 that targets toll road users in the United States of America. We observed that the...
View ArticleThreat actors thrive in chaos
Welcome to this week’s edition of the Threat Source newsletter. If there’s one thing that threat actors love, it’s chaos. Headlines in the news that provoke an emotional response make excellent...
View ArticleYear in Review: The biggest trends in ransomware
This week, our Year in Review spotlight is on ransomware—where low-profile tactics led to high-impact consequences.Ransomware operators often prioritized stealth over complexity for initial access....
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