Cisco Talos Blog

October 24, 2024 06:00

Talos IR trends Q3 2024: Identity-based operations loom large

Credential theft was the main goal in 25% of incidents last quarter, and new ransomware variants made their appearance - read more about the top trends, TTPs, and security weaknesses that facilitated adversary actions.

October 16, 2024 08:51

Protecting major events: An incident response blueprint

Go behind the scenes with Talos incident responders and learn from what we've seen in the field.

August 28, 2024 06:00

BlackByte blends tried-and-true tradecraft with newly disclosed vulnerabilities to support ongoing attacks

In recent investigations, Talos Incident Response has observed the BlackByte ransomware group using techniques that depart from their established tradecraft. Read the full analysis.

July 25, 2024 06:00

IR Trends: Ransomware on the rise, while technology becomes most targeted sector

Although there was a decrease in BEC engagements from last quarter, it was still a major threat for the second quarter in a row.

April 25, 2024 08:00

Talos IR trends: BEC attacks surge, while weaknesses in MFA persist

Within BEC attacks, adversaries will send phishing emails appearing to be from a known or reputable source making a valid request, such as updating payroll direct deposit information.

January 24, 2024 08:00

IR Q4 2023 trends: Significant increase in ransomware activity found in 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.

November 16, 2023 08:00

7 common mistakes companies make when creating an incident response plan and how to avoid them

Avoiding some of these common mistakes ensures your organization’s plan will be updated faster and is more thorough, so you are ready to act when, not if, an incident happens.

October 17, 2023 12:00

Why logging is one of the most overlooked aspects of incident response, and how Cisco Talos IR can help

As the adoption of digital technologies increases, the volume of log data grows, which makes it challenging for cybersecurity teams to identify which logs are most valuable when investigating and analyzing threats.

September 14, 2023 08:00

How Cisco Talos IR helped a healthcare company quickly resolve a Qakbot attack

A healthcare company recently detected a potential Qakbot infection early, and with the help of the Talos IR team, evicted the threat actor from their network quickly before any harm could come to the organization or its customers.