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.

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.

October 24, 2023 08:00

Attacks on web applications spike in third quarter, new Talos IR data shows

We observed the BlackByte ransomware group’s new variant, BlackByte NT, for the first time in addition to the previously seen LockBit ransomware, which continues to be the top observed ransomware family in Talos IR engagements.

July 26, 2023 08:00

Incident Response trends Q2 2023: Data theft extortion rises, while healthcare is still most-targeted vertical

Ransomware was the second most-observed threat this quarter, accounting for 17 percent of engagements, a slight increase from last quarter’s 10 percent.

April 26, 2023 08:00

Quarterly Report: Incident Response Trends in Q1 2023

In 45 percent of engagements, attackers exploited public-facing applications to establish initial access, a significant increase from 15 percent the previous quarter.

January 26, 2023 04:00

Quarterly Report: Incident Response Trends in Q4 2022

Ransomware continued to be a top threat Cisco Talos Incident Response (Talos IR) responded to this quarter, with appearances from both previously seen and newly observed ransomware families.

October 25, 2022 08:00

Quarterly Report: Incident Response Trends in Q3 2022

A lack of MFA remains one of the biggest impediments to enterprise security.