K-12 schools face cybersecurity risks inside and outside of the classroom

New research has uncovered continued risk from a known security weakness in Microsoft’s Entra ID, potentially enabling malicious actors to achieve account takeovers in susceptible software-as-a-service (SaaS) applications. Identity security company Semperis, in an analysis of 104 SaaS applications, found nine of them to be vulnerable to Entra ID cross-tenant nOAuth abuse. First disclosed by

A recently disclosed critical security flaw impacting CrushFTP has been added by the U.S. Cybersecurity and Infrastructure Security Agency (CISA) to its Known Exploited Vulnerabilities (KEV) catalog after reports emerged of active exploitation in the wild. The vulnerability is a case of authentication bypass that could permit an unauthenticated attacker to take over susceptible instances….

Zero Trust helps organizations shrink their attack surface and respond to threats faster, but many still struggle to implement it because their security tools don’t share signals reliably. 88% of organizations admit they’ve suffered significant challenges in trying to implement such approaches, according to Accenture. When products can’t communicate, real-time access decisions break down. The

Cybersecurity researchers have shed light on the inner workings of a botnet malware called PolarEdge. PolarEdge was first documented by Sekoia in February 2025, attributing it to a campaign targeting routers from Cisco, ASUS, QNAP, and Synology with the goal of corralling them into a network for an as-yet-undetermined purpose. The TLS-based ELF implant, at…

Veeam has rolled out patches to contain a critical security flaw impacting its Backup & Replication software that could result in remote code execution under certain conditions. The security defect, tracked as CVE-2025-23121, carries a CVSS score of 9.9 out of a maximum of 10.0. “A vulnerability allowing remote code execution (RCE) on the Backup…

How to stay adaptive and reduce risk in an evolving threat landscape.