Lazarus Group's infrastructure reuse leads to discovery of new malware
Lazarus Group appears to be changing its tactics, increasingly relying on open-source tools and frameworks in the initial access phase of their attacks, as opposed to strictly employing them in the post-compromise phase.
".Zip" top-level domains draw potential for information leaks
As a result of user applications increasingly registering actual “.zip” files as URLs, these filenames may trigger unintended DNS queries or web requests, thereby revealing possibly sensitive or internal company data in a file’s name to any actor monitoring the associated DNS server
Threat Source newsletter (Feb. 16, 2023) — Recapping what we may have missed so far this year
Jon is back from parental leave and recapping the top security stories from late 2022 and early 2023 that totally blew by him.
New MortalKombat ransomware and Laplas Clipper malware threats deployed in financially motivated campaign
Since December 2022, Cisco Talos has been observing an unidentified actor deploying two relatively new threats, the recently discovered MortalKombat ransomware and a GO variant of the Laplas Clipper malware, to steal cryptocurrency from victims.
Beyond the basics: Implementing an active defense
An active defense posture, where the defenders actively use threat intelligence and their own telemetry to uncover potential compromises, is the next stage in the cyber security maturity road. Instead of waiting for detections to trigger, defenders can take initiative and hunt threat actors.
State Sponsored Attacks in 2023 and Beyond
As 2023 begins I wanted to look forward on the future of state sponsored aggression and how we can see it change and evolve over the next year and beyond.
Talos Year in Review 2022
We expect this data-driven story will shed some insight into Cisco’s and the security community’s most notable successes and remaining challenges. As these Year in Review reports continue in the future, we aim to help explain how the threat landscape changes from one year to the next.