#backdoor

What happens when you bring in a team of cybersecurity responders? How do we turn chaos into control, and what is the long-term value that Talos IR provides to the organizations we work with?

Microsoft patched an Entra ID vulnerability that let attackers impersonate Global Admins across tenants, risking full Microsoft 365 and Azure takeover.

Fake software—including Malwarebytes and LastPass—is currently circulating on GitHub pages, in a large-scale campaign targeting Mac users.

Talos discovered that a new PlugX variant’s features overlap with both the RainyDay and Turian backdoors

New research from Check Point Research reveals the Iranian cyber group Nimbus Manticore is targeting defence, telecom, and aerospace companies in Europe with fake job offers. Learn how they use advanced malware to steal sensitive data.

The security landscape now moves at a pace no patch cycle can match. Attackers aren’t waiting for quarterly updates or monthly fixes—they adapt within hours, blending fresh techniques with old, forgotten flaws to create new openings. A vulnerability closed yesterday can become the blueprint for tomorrow’s breach. This week’s recap explores the trends driving that constant churn: how threat

We hear this a lot: “We’ve got hundreds of service accounts and AI agents running in the background. We didn’t create most of them. We don’t know who owns them. How are we supposed to secure them?” Every enterprise today runs on more than users. Behind the scenes, thousands of non-human identities, from service accounts to API tokens to AI agents, access systems, move data, and execute tasks

The UK's spy agency, MI6, has launched a new dark web portal called Silent Courier to securely recruit agents worldwide, particularly from Russia. Learn how this shift to the dark web marks a new era in modern espionage and national security.

A critical token validation failure in Microsoft Entra ID (previously Azure Active Directory) could have allowed attackers to impersonate any user, including Global Administrators, across any tenant. The vulnerability, tracked as CVE-2025-55241, has been assigned the maximum CVSS score of 10.0. It has been described by Microsoft as a privilege escalation flaw in Azure Entra. There is no

Threat actors with ties to the Democratic People's Republic of Korea (aka DPRK or North Korea) have been observed leveraging ClickFix-style lures to deliver a known malware called BeaverTail and InvisibleFerret. "The threat actor used ClickFix lures to target marketing and trader roles in cryptocurrency and retail sector organizations rather than targeting software development roles," GitLab