Cisco Talos Blog

November 12, 2024 18:11

November Patch Tuesday release contains three critical remote code execution vulnerabilities

The Patch Tuesday for November of 2024 includes 91 vulnerabilities, including two that Microsoft marked as “critical.” The remaining 89 vulnerabilities listed are classified as “important.”

October 25, 2024 10:09

How LLMs could help defenders write better and faster detection

Can LLM tools actually help defenders in the cybersecurity industry write more effective detection content? Read the full research

July 10, 2024 12:00

15 vulnerabilities discovered in software development kit for wireless routers

Talos researchers discovered these vulnerabilities in the Jungle SDK while researching other vulnerabilities in the LevelOne WBR-6013 wireless router.

July 9, 2024 08:00

How do cryptocurrency drainer phishing scams work?

In recent months, a surge in cryptodrainer phishing attacks has been observed, targeting cryptocurrency holders with sophisticated schemes aimed at tricking them into divulging their valuable credentials.

June 13, 2024 06:00

Operation Celestial Force employs mobile and desktop malware to target Indian entities

Cisco Talos is disclosing a new malware campaign called “Operation Celestial Force” running since at least 2018. It is still active today, employing the use of GravityRAT, an Android-based malware, along with a Windows-based malware loader we track as “HeavyLift.”

June 5, 2024 08:00

DarkGate switches up its tactics with new payload, email templates

DarkGate has been observed distributing malware through Microsoft Teams and even via malvertising campaigns.

May 31, 2024 08:00

New banking trojan “CarnavalHeist” targets Brazil with overlay attacks

Since February 2024, Cisco Talos has been observing an active campaign targeting Brazilian users with a new banking trojan called “CarnavalHeist.” Many of the observed tactics, techniques and procedures (TTPs) are common among other banking trojans coming out of Brazil.

May 29, 2024 12:32

New Generative AI category added to Talos reputation services

Generative AI applies to any site “whose primary purpose is to use artificial intelligence models to generate output in the form of text, audio, video or images based on user-supplied prompts.”

April 24, 2024 11:54

ArcaneDoor - New espionage-focused campaign found targeting perimeter network devices

ArcaneDoor is a campaign that is the latest example of state-sponsored actors targeting perimeter network devices from multiple vendors. Coveted by these actors, perimeter network devices are the perfect intrusion point for espionage-focused campaigns.