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Debates over the effectiveness of phishing simulations are widespread. Sophos X-Ops looks at the arguments for and against – and our own phishing philosophy

Attackers used Microsoft Teams vishing, custom malware, and remote access tools to facilitate ransomware deployment Categories: Threat Research Tags: Microsoft Teams, vishing, Ransomware, Chaos

Another campaign targeting WhatsApp users in Brazil spreads like a worm and employs multiple payloads for credential theft, session hijacking, and persistence