Cisco Talos has identified a new backdoor authored and operated by the Turla APT group, a Russian cyber espionage threat group. This new backdoor we’re calling “TinyTurla-NG” (TTNG) is similar to Turla’s previously disclosed implant, TinyTurla, in coding style and…
Category: Cisco Talos Blog
How are attackers using QR codes in phishing emails and lure documents?
QR code attacks are particularly dangerous because they move the attack vector off a protected computer and onto the target’s personal mobile device, which usually has fewer security protections in place and ultimately has the sensitive information that attackers are…
First Microsoft Patch Tuesday zero-day of 2024 disclosed as part of group of 75 vulnerabilities
Although considered of moderate risk, one of the vulnerabilities is being actively exploited in the wild — CVE-2024-21351, a security feature bypass vulnerability in Windows SmartScreen. This article has been indexed from Cisco Talos Blog Read the original article: First…
Spyware isn’t going anywhere, and neither are its tactics
For their part, the U.S. did roll out new restrictions on the visas of any foreign individuals who misuse commercial spyware. This article has been indexed from Cisco Talos Blog Read the original article: Spyware isn’t going anywhere, and neither…
New Zardoor backdoor used in long-term cyber espionage operation targeting an Islamic organization
Talos discovered a new, stealthy espionage campaign that has likely persisted since at least March 2021. The observed activity affects an Islamic non-profit organization using backdoors for a previously unreported malware family we have named “Zardoor.” This article has been…
New Zardoor backdoor used in long-term cyber espionage operation targeting Islamic organization
Talos discovered a new, stealthy espionage campaign that has likely persisted since at least March 2021. The observed activity affects an Islamic non-profit organization using backdoors for a previously unreported malware family we have named “Zardoor.” This article has been…
How are user credentials stolen and used by threat actors?
You’ve probably heard the phrase, “Attackers don’t hack anyone these days. They log on.” In this blog, we describe the various tools and techniques bad actors are using to steal credentials so they can ‘log on’ with valid account details,…
The many ways electric cars are vulnerable to hacks, and whether that matters in a real-world
Researchers recently discovered 49 zero-day vulnerabilities, including a two-vulnerability exploit chain in Tesla cars that could allow an attacker to take over the onboard infotainment system. This article has been indexed from Cisco Talos Blog Read the original article: The…
OAS Engine Deep Dive: Abusing low-impact vulnerabilities to escalate privileges
Open Automation Software recently released patches for multiple vulnerabilities in their OAS Engine. Cisco Talos publicly disclosed these issues after working with Open Automation Software to ensure that patches were available for users. Now that a fix has been released…
Why is the cost of cyber insurance rising?
Cyber insurance premiums are expected to rise this year after leveling out in 2023. This article has been indexed from Cisco Talos Blog Read the original article: Why is the cost of cyber insurance rising?
Significant increase in ransomware activity found in Talos IR engagements, while education remains one of the most-targeted sectors
Talos IR observed operations involving Play, Cactus, BlackSuit and NoEscape ransomware for the first time this quarter. This article has been indexed from Cisco Talos Blog Read the original article: Significant increase in ransomware activity found in Talos IR engagements,…
What to do with that fancy new internet-connected device you got as a holiday gift
There are many examples of WiFi-enabled home cameras, assistants and doorbells vulnerable to a wide range of security issues. This article has been indexed from Cisco Talos Blog Read the original article: What to do with that fancy new internet-connected…
Exploring malicious Windows drivers (Part 1): Introduction to the kernel and drivers
Exploring malicious Windows drivers (Part 1): Introduction to the kernel and drivers Drivers have long been of interest to threat actors, whether they are exploiting vulnerable drivers or creating malicious ones. Malicious drivers are difficult to detect and successfully leveraging…
Microsoft starts off new year with relatively light Patch Tuesday, no zero-days
One of the critical vulnerabilities patched Tuesday is CVE-2024-20674, a security bypass vulnerability in the Windows Kerberos authentication protocol. This article has been indexed from Cisco Talos Blog Read the original article: Microsoft starts off new year with relatively light…
New decryptor for Babuk Tortilla ransomware variant released
Cisco Talos obtained executable code capable of decrypting files affected by the Babuk Tortilla ransomware variant, allowing Talos to extract and share the private decryption key used by the threat actor. This article has been indexed from Cisco Talos Blog…
Video series discussing the major threat actor trends from 2023
In this video series, Talos’ Director of Threat Intelligence and Interdiction Matt Olney and Head of Outreach Nick Biasini share their insights on the most significant cybersecurity threats from the past year. This article has been indexed from Cisco Talos…
Intellexa and Cytrox: From fixer-upper to Intel Agency-grade spyware
Talos revealed that rebooting an iOS or Android device may not remove the Predator spyware produced by Intellexa. Intellexa knows if their customers intend to perform surveillance operations on foreign soil. This article has been indexed from Cisco Talos Blog…
Year in Malware 2023: Recapping the major cybersecurity stories of the past year
Relive Talos’ top stories from the past year as we recap the top malware and other threats that came our way. This article has been indexed from Cisco Talos Blog Read the original article: Year in Malware 2023: Recapping the…
A personal Year in Review to round out 2023
Everyone’s New Year’s Resolution should be to stop using passwords altogether. This article has been indexed from Cisco Talos Blog Read the original article: A personal Year in Review to round out 2023
Recommendations that defenders can use from Talos’ Year in Review Report
The 2023 Talos Year in Review is full of insights on how the threat landscape has evolved. But what does that mean for defenders? This blog contains recommendations on how to gain more visibility across your network. This article has…