Tag: Cyber Security News

Cisco Small Business Switches Face Global DNS Crash Outage

Network administrators worldwide reported widespread crashes in Cisco small business switches on January 8, 2026, triggered by fatal errors in the DNS client service. Devices entered reboot loops every few minutes, disrupting operations until DNS configurations were removed.​ The issue…

Microsoft Unveils a New Tool to Migrate from Slack to Microsoft Teams

Microsoft has launched a native Slack-to-Teams migration tool in the Microsoft 365 admin center, simplifying the transition for organizations migrating collaboration workloads. This feature supports transferring public and private channel content directly into Teams equivalents, preserving messages and continuity.​ The…

Cisco Snort 3 Detection Engine Vulnerability Leaks Sensitive Data

Two critical vulnerabilities have been identified in Cisco’s Snort 3 detection engine, posing significant risks to network security infrastructure across multiple Cisco products. These weaknesses stem from improper handling of Distributed Computing Environment and Remote Procedure Call (DCE/RPC) requests, allowing…