Large-scale brute-force activity targeting VPNs, SSH services with commonly used login credentials
Cisco Talos would like to acknowledge Anna Bennett and Brandon White of Cisco Talos and Phillip Schafer, Mike Moran, and Becca Lynch of the Duo Security Research team for their research that led to the identification of these attacks. Cisco Talos is actively monitoring a global
The internet is already scary enough without April Fool’s jokes
The security community is still reflecting on the “What If” of the XZ backdoor.
Vulnerability in some TP-Link routers could lead to factory reset
There are also two out-of-bounds write vulnerabilities in the AMD Radeon user mode driver for DirectX 11.
April’s Patch Tuesday includes 150 vulnerabilities, 60 which could lead to remote code execution
Though April’s monthly security update from Microsoft includes 150 vulnerabilities, only three of them are considered “critical."
Starry Addax targets human rights defenders in North Africa with new malware
Cisco Talos is disclosing a new threat actor we deemed “Starry Addax” targeting mostly human rights activists, associated with the Sahrawi Arab Democratic Republic (SADR) cause with a novel mobile malware.
There are plenty of ways to improve cybersecurity that don’t involve making workers return to a physical office
An April 2023 study from Kent State University found that remote workers are more likely to be vigilant of security threats and take actions to ward them off than their in-office counterparts.
CoralRaider targets victims’ data and social media accounts
Cisco Talos discovered a new threat actor we’re calling “CoralRaider” that we believe is of Vietnamese origin and financially motivated. CoralRaider has been operating since at least 2023, targeting victims in several Asian and Southeast Asian countries.
Adversaries are leveraging remote access tools now more than ever — here’s how to stop them
While there are many legitimate uses for this software, adversaries are also finding ways to use them for command and control in their campaigns.
Enter the substitute teacher
Welcome to this week’s threat source newsletter with Jon out, you’ve got me as your substitute teacher. I’m taking you back to those halcyon days of youth and that moment when you found out that you had a sub that day...