Cisco Talos Intelligence Blog

August 31, 2023 14:08

New open-source infostealer, and reflections on 2023 so far

A new open-source information stealer called ‘SapphireStealer’ has been observed across public malware repositories with increasing frequency. Plus, watch a new series of videos on the year so far in the threat landscape.

August 9, 2023 08:08

What is commercial spyware?

As the victims of commercial spyware are highly targeted individuals, the sobering truth is that some attackers have the means to be able to spend six figures to compromise a single target.

August 3, 2023 08:08

Half-Year in Review: Recapping the top threats and security trends so far in 2023

We've seen threat actors utilize every chance they get to steal sensitive data, to be used in future attacks and/or to manipulate victims into paying up before their data ends up on the dark web.

June 22, 2023 08:06

Video: How Talos’ open-source tools can assist anyone looking to improve their security resilience

A rundown of Talos open-source software tools, which anyone in the security community can download for free, and use for research, skills, training, or integration into existing security infrastructure.

May 26, 2023 08:05

What is a web shell?

What are web shells? And why are attackers increasingly using them in their campaigns? We break it down in this blog.