Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

Fake calendar invites have been a problem on Gmail for years. Even though they could appear on other calendar services, I hadn’t seen or read about a lot of it. Gmail had been taking the brunt of the fake calendar invites. However, I got a scam Microsoft Outlook calendar invite recently, and other Outlook users are complaining more as well. So, what was previously happening mostly in Gmail has now moved over to Outlook, too. I am a busy guy.

Most data breaches don’t happen because systems fail. They happen because people make routine errors. Attackers know this, which is why social engineering has become the dominant attack vector, exploiting everyday actions like emailing files or responding to messages. Today, 70–90% of successful cyber attacks involve social engineering, resulting in data exposure that technical safeguards can’t intercept.

BlueVoyant Security Operations Center (SOC) and Threat Fusion Cell (TFC) continue to track an activity cluster that uses email bombing and IT-support impersonation over Microsoft Teams to obtain Quick Assist access, then pivot to a deeper attack. This research shows that once on the victim’s host, the actors sideload a malicious DLL to deliver a new backdoor BlueVoyant has dubbed the A0Backdoor.

Security teams are under more pressure than ever, reacting at human speed while systems, identities, and AI agents operate at machine speed. In this episode of Security Matters, host David Puner sits down with cybersecurity leader and former FBI executive MK Palmore to explore why defenders struggle to keep pace and what it takes to regain control.

As governments continue to digitize services, the number of systems that support public administration continues to grow. With this expansion comes greater cybersecurity risk. To address these risks, Spain established the Esquema Nacional de Seguridad (ENS), a national framework designed to protect information systems used by public sector organizations. ENS defines the security requirements that ensure government systems remain secure, reliable, and resilient.

Most insider threats do not start with obvious intent. They start with small changes: A file gets downloaded that does not need to be or a user accesses data outside their usual scope. Information gets shared in ways that feel slightly off. Each action on its own can look harmless, but together, they point to insider risk. That is what makes insider threat indicators hard to catch for security teams. You are not looking for a single violation. You are looking for patterns in how people interact with data.