Cybersecurity briefing, 2026-09-06

JetBrains says a TeamCity breach reached Cadence and exposed backup data plus execution secrets.

• TeamCity Breach Reached JetBrains Cadence Backup
• MikroTik RouterOS Exploitation Hits Internet-Exposed SSH
• ShipMonk Breach Broke Trezor's Deletion Assumption
• OpenAI Recasts Agent Wiki Abuse as Disclosure Gap
• REVSTEALER Leaves Miners and Defense Tampering Behind
• Wordfence Sees Mass WordPress Shell Drops
• VMware Patches Guest-to-Host Bugs as vCenter Fires Burn