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Threat Source newsletter (Oct. 20, 2022) — Shields Up! No seriously, Shields Waaaaay Up
By Jon Munshaw. Welcome to this weeks edition of the Threat Source newsletter. Im very excited about this video -- its a project Ive been working on with my team for a while now. Building off what Ive written about in the past regarding fake news, this video examines what essentially equates to t...
Threat Source newsletter (Oct. 20, 2022) — Shields Up! No seriously, Shields Waaaaay Up
By Jon Munshaw. Welcome to this week’s edition of the Threat Source newsletter. I’m very excited about this video I’ve embedded below — it’s a project I’ve been working on with my team for a while now. Building off what I’ve written about in the past regarding fake news, this video examines what...
Vulnerability Spotlight: Vulnerabilities in Abode Systems home security kit could allow attacker to take over cameras, remotely disable them
Matt Wiseman of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered several vulnerabilities in the Abode Systems iota All-In-One Security Kit. This kit includes a main security camera and hub that can alert users of unwanted movement in their homes. ...
Vulnerability Spotlight: Vulnerabilities in Abode Systems home security kit could allow attacker to take over cameras, remotely disable them
Matt Wiseman of Cisco Talos discovered these vulnerabilities. Cisco Talos recently discovered several vulnerabilities in the Abode Systems iota All-In-One Security Kit. This kit includes a main security camera and hub that can alert users of unwanted movement in their homes. It also includes...
The benefits of taking an intent-based approach to detecting Business Email Compromise
BEC is a multi-stage attack. Adversaries first identify targets, then they establish rapport with the victim before exploiting them for whatever their end goal is. In the case of BEC, a threat actor can impersonate any employee in the organization to trick targets. A policy that checks for...
The benefits of taking an intent-based approach to detecting Business Email Compromise
By Abhishek Singh. BEC is a multi-stage attack. Adversaries first identify targets, then they establish rapport with the victim before exploiting them for whatever their end goal is. In the case of BEC, a threat actor can impersonate any employee in the organization to trick targets. A policy tha...
Threat Roundup for October 7 to October 14
Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Oct. 7 and Oct. 14. 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 characteristics,...
Video: How propaganda can spread on social media via memes, fake news
Cisco Talos is well-known for its work in spotting and defeating fake news, disinformation and misinformation. And state-sponsored actors, unwitting social media users and even direct government agencies have played a part in spreading fake news during Russia's invasion of Ukraine. In this video,...
Video: How propaganda can spread on social media via memes, fake news
Cisco Talos is well-known for its work in spotting and defeating fake news, disinformation and misinformation. And state-sponsored actors, unwitting social media users and even direct government agencies have played a part in spreading fake news during Russias invasion of Ukraine. In this video,...
Threat Source newsletter (Oct. 13, 2022) — Cybersecurity Awareness Month is all fun and memes until someone gets hurt
By Jon Munshaw. Welcome to this week’s edition of the Threat Source newsletter. October is National Cybersecurity Awareness Month. Which, if you’ve been on social media at all the past 13 days or read any cybersecurity news website, you surely know already. As it does every year, I saw...
Alchimist: A new attack framework in Chinese for Mac, Linux and Windows
Contributions from Matt Thaxton. Cisco Talos discovered a new attack framework including a command and control C2 tool called "Alchimist" and a new malware "Insekt" with remote administration capabilities. The Alchimist has a web interface in Simplified Chinese with remote administration features...
Alchimist: A new attack framework in Chinese for Mac, Linux and Windows
By Chetan Raghuprasad, Asheer Malhotra and Vitor Ventura, with contributions from Matt Thaxton. Cisco Talos discovered a new attack framework including a command and control C2 tool called "Alchimist" and a new malware "Insekt" with remote administration capabilities. The Alchimist has a web...
Vulnerability Spotlight: Multiple issues in Robustel R1510 cellular router could lead to code execution, denial of service
Francesco Benvenuto of Cisco Talos discovered these vulnerabilities. Cisco Talos recently discovered nine vulnerabilities in the Robustel R1510 industrial cellular router, several of which could allow an adversary to inject operating system code remotely. The Robustel R1510 router is a...
Vulnerability Spotlight: Multiple issues in Robustel R1510 cellular router could lead to code execution, denial of service
Francesco Benvenuto of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered nine vulnerabilities in the Robustel R1510 industrial cellular router, several of which could allow an adversary to inject operating system code remotely. The Robustel R1510...
Microsoft Patch Tuesday for October 2022 — Snort rules and prominent vulnerabilities
By Jon Munshaw and Vanja Svajcer. Microsoft released its monthly security update Tuesday, disclosing 83 vulnerabilities across the company’s hardware and software line, including seven critical issues in Windows’ point-to-point tunneling protocol. October's security update features 11 critical...
Microsoft Patch Tuesday for October 2022 — Snort rules and prominent vulnerabilities
Microsoft released its monthly security update Tuesday, disclosing 83 vulnerabilities across the companys hardware and software line, including seven critical issues in Windows point-to-point tunneling protocol. Octobers security update features 11 critical vulnerabilities, with the remainder bei...
Vulnerability Spotlight: Data deserialization in VMware vCenter could lead to remote code execution
Marcin "Icewall" Noga of Cisco Talos discovered this vulnerability. Cisco Talos recently discovered an exploitable data deserialization vulnerability in the VMware vCenter server platform. VMware is one of the most popular virtual machine solutions currently available, and its vCenter software...
Vulnerability Spotlight: Data deserialization in VMware vCenter could lead to remote code execution
Marcin “Icewall” Noga of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered an exploitable data deserialization vulnerability in the VMware vCenter server platform. VMware is one of the most popular virtual machine solutions currently available, and it...
Threat Roundup for September 30 to October 7
Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 30 and Oct. 7. 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 characteristics...
Threat Roundup for September 30 to October 7
Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 30 and Oct. 7. 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 characteristics...
Vulnerability Spotlight: Issue in Hancom Office 2020 could lead to code execution
Marcin “Icewall” Noga of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered an exploitable memory corruption vulnerability in Hancom Office 2020. Hancom Office is a popular software collection among South Korean users that offers similar products to...
Threat Source newsletter (Oct. 6, 2022) — Continuing down the Privacy Policy rabbit hole
As I wrote about last week, Ive been diving a lot into apps privacy policies recently. And I was recently made aware of a new type of app I never knew existed -- family trackers. There are countless mobile apps for parents to track their children or other family members based on their location,...
Threat Source newsletter (Oct. 6, 2022) — Continuing down the Privacy Policy rabbit hole
By Jon Munshaw. Welcome to this week’s edition of the Threat Source newsletter. As I wrote about last week, I’ve been diving a lot into apps’ privacy policies recently. And I was recently made aware of a new type of app I never knew existed — family trackers. There are countless mobile apps for...
Developer account body snatchers pose risks to the software supply chain
By Jaeson Schultz. Over the past several years, high-profile software supply chain attacks have increased in frequency. These attacks can be difficult to detect and source code repositories became a key focus of this research. Developer account takeovers present a substantial risk to the software...
Developer account body snatchers pose risks to the software supply chain
Over the past several years, high-profile software supply chain attacks have increased in frequency. These attacks can be difficult to detect and source code repositories became a key focus of this research. Developer account takeovers present a substantial risk to the software supply chain becau...
Researcher Spotlight: Globetrotting with Yuri Kramarz
From the World Cup in Qatar to robotics manufacturing in east Asia, this incident responder combines experience from multiple arenas By Jon Munshaw. Yuri “Jerzy” Kramarz helped secure everything from the businesses supporting the upcoming World Cup in Qatar to the Black Hat security conference an...
Researcher Spotlight: Globetrotting with Yuri Kramarz
From the World Cup in Qatar to robotics manufacturing in east Asia, this incident responder combines experience from multiple arenas Yuri "Jerzy" Kramarz helped secure everything from the businesses supporting the upcoming World Cup in Qatar to the Black Hat security conference and critical...
Threat Advisory: Microsoft warns of actively exploited vulnerabilities in Exchange Server
Cisco Talos has released new coverage to detect and prevent the exploitation of two recently disclosed vulnerabilities collectively referred to as "ProxyNotShell," affecting Microsoft Exchange Servers 2013, 2016 and 2019. One of these vulnerabilities could allow an attacker to execute remote code...
Threat Advisory: Microsoft warns of actively exploited vulnerabilities in Exchange Server
Cisco Talos has released new coverage to detect and prevent the exploitation of two recently disclosed vulnerabilities collectively referred to as "ProxyNotShell," affecting Microsoft Exchange Servers 2013, 2016 and 2019. One of these vulnerabilities could allow an attacker to execute remote code...
Threat Roundup for September 23 to September 30
Today, Talos is publishing a glimpse into the most prevalent threats weve observed between Sept. 23 and Sept. 30. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...
Threat Roundup for September 23 to September 30
Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 23 and Sept. 30. 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 (Sept. 29, 2022) — Personal health apps are currently under a spotlight, but their warning signs have always been there
By Jon Munshaw. Welcome to this week’s edition of the Threat Source newsletter. I’ve spent the past few months with my colleague Ashlee Benge looking at personal health apps’ privacy policies. We found several instances of apps that carry sensitive information stating they would share certain...
New campaign uses government, union-themed lures to deliver Cobalt Strike beacons
By Chetan Raghuprasad and Vanja Svajcer. Cisco Talos discovered a malicious campaign in August 2022 delivering Cobalt Strike beacons that could be used in later, follow-on attacks. Lure themes in the phishing documents in this campaign are related to the job details of a government organization i...
Threat Roundup for September 16 to September 23
Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 16 and Sept. 23. 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 (Sept. 22, 2022) — Attackers are already using student loan relief for scams
By Jon Munshaw. Welcome to this week’s edition of the Threat Source newsletter. We’ve seen attackers capitalize on the news time and again, from COVID-19 to U.S.-North Korea relationships and, of course, holiday shopping sales every November. So, I was far from surprised to see that attackers are...
Insider Threats: Your employees are being used against you
By Nick Biasini. Insider threats are becoming an increasingly common part of the attack chain, with malicious insiders and unwitting assets playing key roles in incidents over the past year. Social engineering should be part of any organization’s policies and procedures and a key area for user...
Vulnerability Spotlight: Vulnerabilities in popular library affect Unix-based devices
Lilith of Cisco Talos discovered these vulnerabilities. Cisco Talos recently discovered a memory corruption vulnerability in the uClibC library that could affect any Unix-based devices that use this library. uClibC and uClibC-ng are lightweight replacements for the popular gLibc library, which is...
Our current world, health care apps and your personal data
What does your autonomy mean to you? By Ashlee Benge and Jonathan Munshaw. After the recent Supreme Court ruling in Dobbs v. Jackson Women's Health Organization, the use of third-party apps to track health care has recently come under additional scrutiny for privacy implications. Many of these ap...
Threat Roundup for September 9 to September 16
Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 9 and Sept. 16. 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 characteristic...
Threat Source newsletter (Sept. 15, 2022) — Teachers have to be IT admins now, too
By Jon Munshaw. Welcome to this week’s edition of the Threat Source newsletter. Public schools in the United States already rely on our teachers for so much — they have to be educators, occasional parental figures, nurses, safety officers, law enforcement and much more. Slowly, they’re having to...
Gamaredon APT targets Ukrainian government agencies in new campaign
By Asheer Malhotra and Guilherme Venere. Cisco Talos recently identified a new, ongoing campaign attributed to the Russia-linked Gamaredon APT that infects Ukrainian users with information-stealing malware. The adversary is using phishing documents containing lures related to the Russian invasion...
Microsoft Patch Tuesday for September 2022 — Snort rules and prominent vulnerabilities
By Jon Munshaw and Asheer Malhotra. Microsoft released its monthly security update Tuesday, disclosing 64 vulnerabilities across the company’s hardware and software line, a sharp decline from the record number of issues Microsoft disclosed last month. September's security update features five...
Threat Source newsletter (Sept. 8, 2022) — Why there is no one-stop-shop solution for protecting passwords
By Jon Munshaw. Welcome to this week’s edition of the Threat Source newsletter. It seems like there’s at least one major password breach every month — if not more. Most recently, there was an incident at Plex where all users had to reset their passwords. Many users pay for a password management...
Lazarus and the tale of three RATs
By Jung soo An, Asheer Malhotra and Vitor Ventura. Cisco Talos has been tracking a new campaign operated by the Lazarus APT group, attributed to North Korea by the United States government. This campaign involved the exploitation of vulnerabilities in VMWare Horizon to gain an initial foothold in...
Talos EMEA Monthly Threat Update: How do you know if cyber insurance is right for you?
On September's edition of the Monthly EMEA Threat Update, Hazel Burton and Martin Lee break down cyber insurance. Although many businesses and organizations will think insurance will only help them in a worst-case scenario, that worst-case scenario comes for us all eventually. Martin and Hazel...
Multiple ransomware data leak sites experience DDoS attacks, facing intermittent outages and connectivity issues
By Azim Khodjibaev, Colin Grady, Paul Eubanks. Since Aug. 20, 2022, Cisco Talos has been monitoring suspected distributed denial-of-service DDoS attacks resulting in intermittent downtime and outages affecting several ransomware-as-a-service RaaS data leak sites. While the source and origin of th...
MagicRAT: Lazarus’ latest gateway into victim networks
By Jung soo An, Asheer Malhotra and Vitor Ventura. Cisco Talos has discovered a new remote access trojan RAT we're calling "MagicRAT," developed and operated by the Lazarus APT group, which the U.S. government believes is a North Korean state-sponsored actor. Lazarus deployed MagicRAT after the...
Researcher Spotlight: How Asheer Malhotra looks for ‘instant gratification’ in threat hunting
The India native has transitioned from a reverse-engineer hobbyist to a public speaker in just a few years By Jon Munshaw. Ninety percent of Asheer Malhotra’s work will never see the light of day. But it’s that 10 percent that keeps him motivated to keep looking for something new. The Talos...
Threat Roundup for August 26 to September 2
Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 26 and Sept. 2. 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 characteristics...
Threat Source newsletter (Sept. 1, 2022) — Conversations about an unborn baby's privacy
By Jon Munshaw. Welcome to this week’s edition of the Threat Source newsletter. This week marks about 90 days before my wife’s due date with our first child, a baby girl. We’re both incredibly excited and nervous at the same time, and we have much to discuss, like how to lay out the nursery, what...