Security Signals (6/16/26-6/30/26)

This digest compiles dozens of security research posts from June 2026 describing a broad range of active threats — from large-scale supply‑chain compromises (npm backdoors, malicious JetBrains plugins), infostealers and RATs, and ransomware families to APT campaigns, exploitation of CVEs, router compromises used as proxies, credential harvesters, and phishing/malvertising campaigns — indicating high activity and diverse adversary tradecraft across platforms and sectors.