Microsoft warns over “active supply chain attack” as ConnectWise 0Auth app compromised

· Thestack · Oct. 18, 2026, 2:46 p.m.
Security ConnectWise software supply chain microsoft Cybersecurity Supply chain attacks OAuth Security
Summary
Microsoft raises concerns over a compromised ConnectWise OAuth app, warning about ongoing supply chain attacks that involve reconnaissance and credential manipulation in target tenants.
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