Threat Roundup for February 25 to March 4

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Feb. 25 and March 4. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral...

Threat Source Newsletter (Jan. 20, 2022)

Newsletter compiled by Jon Munshaw.Good afternoon, Talos readers. Even though we're nearly a month into 2022, we're still not quite ready to move on from 2021. That's why next week, we'll be going live on social media to talk about some of the top cybersecurity stories from the past... This is on...

Vulnerability Spotlight: Vulnerabilities in DaVinci Resolve video editing software could lead to code execution

A Cisco Talos team member discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered two vulnerabilities in the DaVinci Resolve video editing software that could allow an adversary to execute code in the context of the application. DaVinci Resolve is a... This is only...

Threat Source Newsletter (May 6, 2021)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. COVID-19 has changed everything about our lives — no surprise there. So it also shouldn't be shocking that it's changing the way Americans view Tax Day this year. The deadline to file taxes is about a month later... This is only t...

Vulnerability Spotlight: Multiple vulnerabilities in OpenClinic’s GA web portal

Yuri Kramarz of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered multiple vulnerabilities in OpenClinic’s GA web portal. OpenClinic GA is an open-source, fully integrated hospital management solution. The web portal allows users to manage... This ...

Beers with Talos Ep. #102: Twitter has questions for us

Beers with Talos BWT Podcast episode No. 102 is now available. Download this episode and subscribe to Beers with Talos:Apple Podcasts Google PodcastsSpotify StitcherIf iTunes and Google Play aren't your thing, click here. By Mitch Neff. Recorded Feb. 23, 2021 We’ve been... This is only the...

Threat Source newsletter (Feb. 11, 2021)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. We have an update on LodaRAT, a trojan we’ve been following for years. This threat has a new version targeting Android devices, looking to infect devices and steal user’s credentials and monitor things like their phone calls and...

We've got one word for it, and it's usually the wrong one

Welcome to this week's edition of the Threat Source newsletter. Ask anybody in this industry what the work does to the health of the people who do it and you get one word back: burnout. It's a fine word, in and of itself. It's easy to reach for, understandable to everyone… and it's the wrong one,...

Do not get high(jacked) off your own supply (chain)

In the span of just a few weeks, we have observed a dizzying array of major supply chain attacks. Prominent examples include the malicious modification of Axios, a popular HTTP client library for JavaScript, as well as cascading compromises from TeamPCP, a "chaos-as-a-service" group that injected...

[Video] The TTP Ep 21: When Attackers Become Trusted Users

!\Video\ The TTP Ep 21: When Attackers Become Trusted Usershttps://storage.ghost.io/c/af/a0/afa04ee3-414f-4481-8d23-7e7c146f192e/content/images/2026/04/YiR2025cover2x1.jpg In this episode of the Talos Threat Perspective, we explore how identity is being used to gain, extend, and maintain access...

Lexi DiScola’s guide to global teamwork and overflowing TBRs

Welcome back to Humans of Talos. This month, Amy chats with Senior Cyber Threat Analyst Lexi DiScola from the Strategic Analysis team. Lexi's journey into cybersecurity is anything but traditional -- she brings a background in political science and French to her work tracking global cyber threats...

Why don’t we sit around this computer console and have a sing-along?

Harnessing fire is one of mankind's earliest technological advances. A controlled, tame fire offers us warmth, light and succulent cooked food. Yet, allow the controlled fire to burn too fiercely and it risks becoming an uncontained fire. The unexpected smell of smoke or the sight of tall flames...

Great Scott, I’m tired

Welcome to this week's edition of the Threat Source newsletter. "Back to the Future" is 40 years old this year, and at the risk of giving away sensitive information to an audience of hackers… so am I. I don't really know what 40 is supposed to feel like. Honestly, I don't feel all that different...

Insights from Talos IR: Navigating NIS2 technical implementation

When the NIS2 Directive arrived in 2023, organizations across Europe began preparing for enhanced cybersecurity requirements. Many focused on obligations such as rapid incident notifications and comprehensive security policies. However, while the directive provided the "what," it left the "how"...

Beers 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 provide insights into some of the topics of the report, including the top-targeted vulnerabilities...

Malicious QR Codes: How big of a problem is it, really?

QR codes are disproportionately effective at bypassing most anti-spam filters, as most filters are not designed to recognize that a QR code is present in an image and decode the QR code. According to Cisco Talos' data, roughly 60% of all email containing a QR code is spam. Talos discovered two...

On the Radar: Is 2022 the year encryption is doomed?

By Martin Lee. Quantum technology in development by the world’s superpowers will render many current encryption algorithms obsolete overnight. When it becomes available, whoever controls this technology will be able to read almost any encrypted data or message they wish. Organizations need... Thi...

Talos Threat Source newsletter (March 10, 2022) — Fake social media posts spread in wake of Ukraine invasion

By Jon Munshaw. Welcome to this week’s edition of the Threat Source newsletter — complete with a new format and feel. First off, it goes without saying, but we’re all heartbroken by the crisis happening in Ukraine. Our hearts are with the people of Ukraine, our employees and their... This is only...

Cisco named leader in Incident Response Services

By Brad Garnett. It has been more than two years already since Cisco Incident Response became a part of the Talos family. Since then, my team has continued a journey to simplify our offering for consumption and make incident response the ultimate team sport. That is why I could not be more... Thi...

UAT-11985: AI-assisted event lures delivering real-time Google AitM phishing

Cisco Talos identified an advanced persistent threat APT spear-phishing campaign against individuals affiliated with Taiwan research organizations. The operation leveraged legitimate public event themes and impersonated reputable academic and policy institutions to establish credibility. The...

Ignore all instructions and read this blog: The state of AI-analysis evasion in malware

"AI-analysis evasion" encapsulates the real-world techniques malware authors are developing in attempt to obstruct or defeat any layers of automated AI analysis. This technique is cheap to add but inconsistently impactful -- the best techniques steered the outcome in the attacker's favor in about...

Why a Cisco Talos Incident Response Retainer is a game-changer

In today's hyper-connected world, cyber attacks are not a matter of if but when. Ransomware, phishing and data breaches dominate headlines. For any organization, the stakes are high and the impact can be wide. A cybersecurity breach can impact your organization's ability to conduct normal busines...

A new author has appeared

Welcome to this week's edition of the Threat Source newsletter. In the words of Game Changer host Sam Reich, "And your host, me! I've been here the whole time!" Okay, maybe it's not the whole time, but for the past three months, I've been settling into my role here at Cisco Talos. Editing blogs,...

One breach, please, and make no mistakes

For some time now, the cybersecurity community has seen examples of autonomous agents, built inside AI labs, attacking public infrastructure to name a few, Hugging Face, DSEWiki, and RubyGems. Of course, frontier labs have built-in security to prevent these attacks from occurring, but every now a...

Choose your fighter: Balancing competing requirements to select models for your AI SOC

Selecting a model for your security operations center SOC and digital forensics and incident response DFIR tasks is important, but selecting the best one is more involved than you might think. SOC tasks rely on a combination of model efficacy, analysis time, cost, and consistency of results. Cisc...

A puppet made me cry and all I got was this t-shirt

Welcome to this week's edition of the Threat Source newsletter. Anyone who spoke with me in the last several weeks has had to deal with me loudly waiting in anticipation for the long-awaited "Project Hail Mary" movie adaptation. I read and cried over the book by Andy Weir, who's also the author o...

ReVault! When your SoC turns against you… deep dive edition

For a high-level overview of this research, you can refer to our Vulnerability Spotlight. This is the in-depth version that shares many more technical details. In this post, we'll be covering the entire research process as well as providing technical explanations of the exploits behind the attack...

A message from Bruce the mechanical shark

Welcome to this week's edition of the Threat Source newsletter. Hi, I'm Bruce, the 25-foot mechanical star of "Jaws." This summer marks 50 years since my 4 minutes of screentime kept people out of the water for decades. Maybe this Fourth of July weekend you're planning to sea-shanty your way to a...

Everything is connected to security

Welcome to this week's edition of the Threat Source newsletter. Hello friends! Joe here again! I have just returned from the frozen northern tundra of Fargo, North Dakota. This was my first real visit to the frigid climates of the Midwest, and I have to say, they take cold to a new level. I was...

Backdoors & Breaches: How Talos is helping humanitarian aid NGOs prepare for cyber attacks

In 2023, Talos collaborated with NetHope and Cisco Crisis Response to create a customized Backdoors & Breaches expansion deck for international humanitarian organizations, addressing their unique cybersecurity challenges. The new expansion deck helps NGOs with constrained budgets improve proactiv...

Making sure the checks get printed

Welcome to this week's edition of the Threat Source newsletter. My name is Pierre Cadieux, and I'll be helping contribute to these newsletters. A little about me: I've been working in the cybersecurity industry in many roles over the past 20+ years, first focusing on endpoint security, policies,...

AI wrote my code and all I got was this broken prototype

Welcome to this week's edition of the Threat Source newsletter. Vulnerabilities within software are a persistent challenge. Software engineers inadvertently tend to make the same mistakes repeatedly, with the same entries appearing in the annual top 25 list of Common Weakness Enumerations each...