DragonForce Ransomware Hides C2 Traffic Inside Microsoft Teams Relay Servers

Ransomware operators found a backdoor into your network. It looks exactly like a Teams meeting. Symantec and Carbon Black disclosed that DragonForce ransomware affiliates deployed Backdoor.Turn — a Go-based implant that tunnels its command-and-control traffic through Microsoft Teams TURN relay servers. The malware obtains an anonymous Teams visitor token, uses a legitimate Microsoft relay for…

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Top 5 Cybersecurity News Stories June 19, 2026

Cybersecurity News Stories June 19, 2026

The five stories in this week’s Cybersecurity News Stories June 19, 2026 do not describe attacks that broke through the perimeter. They describe the infrastructure organisations depend on to stay connected, productive, and operational being compromised or left permanently undefended. An AI API gateway routing requests to OpenAI and Anthropic, now exploitable without credentials. An…

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The tool you bought to catch malware is now being used as a foothold. Attackers started exploiting Fortinet FortiSandbox on June 15 — six weeks after patches were released.

The tool you bought to catch malware is now being used as a foothold. Attackers started exploiting Fortinet FortiSandbox on June 15 — six weeks after patches were released. Three critical vulnerabilities. All three actively exploited. FortiSandbox is enterprise malware analysis infrastructure. You send suspicious files to it. It detonates them in isolation. It tells…

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