https://concisecyber.com/2026/05/11/muddywater-abuses-microsoft-teams-in-false-flag-ransomware-attack-to-steal-credentials/ 2026-05-11T08:44:15Z Concise Cyber en MuddyWater Abuses Microsoft Teams in False Flag Ransomware Attack to Steal Credentials 2026-05-11T08:44:15Z Blog https://concisecyber.com/2026/05/11/ivanti-epmm-0-day-vulnerability-actively-exploited-in-on-premises-attacks/ 2026-05-11T08:43:58Z Concise Cyber en Ivanti EPMM 0-Day Vulnerability Actively Exploited in On-Premises Attacks 2026-05-11T08:43:58Z Blog https://concisecyber.com/2026/05/11/dirty-frag-cve-2026-43284-linux-privilege-escalation-affects-major-distributions/ 2026-05-11T08:43:36Z Concise Cyber en Dirty Frag (CVE-2026-43284) Linux Privilege Escalation Affects Major Distributions 2026-05-11T08:43:36Z Blog